EXPLORATION FOR GEOTHERMALENERGY IN ARIZONA BASIN AND RANGE

A SUMMARY OF RESULTS ANDINTERPRETATION OF HEAT FLOWAND GEOCHEMISTRY STUDIES IN

SAFFORD BASIN, ARIZONA

by

James C, Witcher

Arizona Geological SurveyOpen-File Report 82-5

May 1982

Arizona Geological Survey416 W. Congress, Suite #100, Tucson, Arizona 85701

Preparedfor theUS. Department ofEnergy Division ofGeothermal Energy

This report is preliminary and has not been edited or reviewed for conformitywith Arizona Geological Survey standards

'---.

NOTICE

This report was prepared to document work sponsoredby the United States Government. Neither the UnitedStates nor its agent, the United States Departmentof Energy, nor any Federal employees, nor any of theircontractors, subcontractors or their employees, makesany warrenty, express or implied, or assumes any legalliability or responsibility for the accuracy, compete­ness, or usefulness of any information, apparatus, pro­duct or process disclosed, or represents that its usewould not infringe privately owned rights.

Reference to a company or product name does not implyapproval or recommendation of the product by the Bureauof Geology and Mineral Technology or the U.S. Departmentof Energy to the exclusion of others that may be suitable.

Table of Contents

List of Figures

List of Tables

Acknowledgements

Introduction

Geologic Setting

Thermal Artesian Wells

Ground Water Chemistry and Use of Geothermometers

Soil Mercury

Temperature Gradient and Heat Flow Studies

Synthesis

Conclusions

References

Appendix 1

Appendix 2

Appendix 3

Temperature Logs of Heat Flow Holes

Well Completion Reports

Mercury Soil Data

Page

i

ii

iii

1

1

6

6

10

13

21

23

25

28

37

46

List of Figures

Page

Figure 1 Location and Geologic Map 2

Figure 2 Temperature versus Depth of Artesian Wells 5

Figure 3 Chloride-Sulfate and Carbonate Ratio versus Lithium 7

Figure 4 Dissolved Carbon Dioxide versus Excess Silica 8

Figure 5 Soil Mercury Anomaly 11

Figure 6 Temperature versus Depth of Heat Flow Holes 12

Figure 7 Map of Static Water Table 14

Figure 8 Map of Heat Flow 19

Figure 9 Comparisons of Mapped Structure, Bouguer Gravity, 20Soil Mercury Anomalies and Heat Flow

Figure 10 Inferred Sub-Surface Model of Safford Basin 22

List of Tables Page

Table lA Bulk Thermal Conductivity and Lithology of Sand/Gravel 15Samples

Table lB Bulk Thermal Conductivity and Lithology of Clay/SiltSamples

Table 2 Data Used For Heat Flow Calculations

ii

16

18

Acknowledgements

Land owners in the Safford area are thanked for permission to sample

thermal wells. Max Norris, Safford City Engineer, provided valuable well in­

formation from his files. Officials at the Swift Trail Federal Prison are

thanked for their cooperation and interest in collecting data from their wells.

Kent Larson, GRL Construction, was the drilling contractor and provided valu­

able assistance. Claudia Stone, ABGMT, Geothermal Group, Bill Laughlin, Los

Alamos National Laboratory, and Paul Morgan, Lunar and Planetary Institute,

Houston, provided very helpful discussions concerning the design and interpre­

tation of the heat flow studies. Chris Menges, ABGMT, is thanked for discus­

sion of and use of his Pleistocene fault scarp data. Dave Blackwell and his

lab technicians at Southern Methodist University provided timely thermal con­

ductivity measurements of drill cuttings. Chan Swanberg, New Mexico State

University, provided a temperature logger when the ABGMT logger was being

repaired for a malfunction. The U.S. BLM at Safford and the Arizona Oil and

Gas Conservation Commission are thanked for their interest and cooperation

in this project o John Sass, U. S. Geological Survey, Flagstaff loaned a

cable,..depth_ counter for accurately measuring depth increments in feet.

iii

Introduction

Numerous artesian wells in the Safford basin, southeast Arizona, discharge

thermal water (30 to 500 C) contained in sand and gravel aquifers stacked within

and below an extensive silt and clay aquaclude. The artesian geothermal re­

source appears to be characterized chiefly by a conductive thermal regime in

basin fill sediments, although hydrothermal convective systems apparently

exist below the silt and clay in a few areas. A probable hydrothermal system

is located 18 km south of Safford adjacent to U.S. 666 (Fig. 1). This system,

the Artesia anomaly, is characterized by high soil mercury and high apparent

heat flow (>167 mW/m 2) in a ::: 3 km2

) area. The Artesia anomaly is the sub­

ject of this report.

Geologic Setting

The crust of southeast Arizona is highly anisotropic and is dominated by

a west-northwest to northwest structural grain which is superimposed on an

older northeast grain (Swan, 1982 and Silver, 1978). This anisotropicity ori­

ginated during Precambrian. During the Mesozoic, probable reactivation of

west-northwest structures (Titley, 1976) may have uplifted the Mogollon High­

land (Coney, 1978, Turner, 1962, Elston, 1958). Significant erosion during

that same period removed Paleozoic and pre-late Cretaceous rocks to expose

Precambrian basement (Elston, 1958), consisting of the Pinal Schist and large

granitic batholiths (Silver, 1978). The Safford area lies astride the Mesozoic

Mogollon Highland.

The Pineleno Mountains, a mid-Tertiary metamorphic core complex (Davis

and Coney, 1979), defines the western boundary of the Artesia area. This

range reaches an altitude over 3,000 m (10,000 ft) and receives significant

precipitation (>76.2 cm/yr, >30 in/yr). The impressive mountain front is dis­

sected by several linear canyons which are deeply eroded into gneiss and

-1-

.. ' ... ' ...· .' . : .' .... ',. ," '..: . ' .. , , ..'. . . . : .. .

t ••••

'. .,0° ••

• ,0 ••' •• '0' ', ••

• ° 0 .' :.,. • .' •• '

,0. I, .:. '0. '. '. '0 .'• •••• ' • ,"" .' •• 0 • ,0' •

Artesia

R26E

SaffordBasin

17S

TIOS

o!

tnI

ARIZONA

COLORADOPLATEAU

STUDY )1AREA

6 Miles!

BED ROCK GEOLOGY MODIFIED FROM THORMAN, 1981.

PLEISTOCENE FAULTS MODIFIED FROM PERS. COMM. CHRIS MENGES

/ Pleistocene fault

.# Bedrock fault zone

(i';:-': ;;"j Pre Late Miocene bedrock

c:=:J Basin filling sediments

Figure 1. Location ~nd Geologic Map

-2-

mylonitic gneiss. These canyons coincide with major northeast striking fault

zones displaying minor left-lateral strike-slip movement (Thorman, 1981) (Fig.

1). Mylonitic foliation in the gneiss dips gently north to northeast near the

base of the Pinaleno Mountains and it dies out rapidly into the range (Thorman,

1981).

A complete Bouguer gravity map of the region (Wynn, 1981) shows very

closely spaced isogals (-135 to -175 milligals) between 0.2 and 4 km east of

and parallel to the mountain front in the Artesia area. A large displacement

high angle Basin and Range fault zone is interpreted from these gravity data.

This fault zone forms the western boundary of the Safford basin, which may

contain up to 3 km (Oppenheimer and Sumner, 1981) of post mid-Miocene basin­

filling sediments (Scarborough and Pierce, 1978). Pleistocene tectonic acti­

vity along the fault zone is observed in multiple and composite fault scarps

displacing Pleistocene geomorphic surfaces up to 30 m (Morrison and others,

1981). A faulting reoccurance interval of 100,000 years was estimated by

Menges and others (1982).

Basin-fill stratigraphy in the Artesia area is divided into two major

units, upper and lower basin fill. These units are separated approximately by

a time-stratigraphic horizon showing a change in sedimentation processes and

by a Pliocene to Quaternary faunal transition (Harbour, 1966)0

Lower basin fill consists of three facies: (1) A conglomerate facies,

(2) a clay-silt facies, and (3) an evaporite facies. The evaporite facies

consists of gypsiferous clay, gypsum, anhydrite, and minor halite beds and it

intertongues with the clay-silt facies, which also overlies the evaporites in

the axis of the Safford basin, north and east of the Artesia area (Harbour,

1966). The lacustrine clay-silt facies is extensive and occurs to within 2 or

3 km of the Pineleno Mountain front. Nonindurated to moderately indurated sand

and gravel form the conglomerate facies, which occurs along the basin margins.

-3-

It is postulated to underlie the clay-silt facies in the basin interior and

is known to be interbedded with the clay-silt facies at depth along U.S. 666.

This conglomerate facies hosts stacked, thermal artesian aquifers in the Saf­

ford Basin.

Upper basin fill consists of nonindurated gruslike sand with gravel lenses.

It overlies a gneiss pediment and the clay-silt and conglomerate facies of

lower basin fill. The upper basin fill no doubt has an important hydrologic

connection with the conglomerate facies next to the mountain front. A thin,

less than 20 m thick, cobble to boulder conglomerate caps the upper basin fill

to form the mid-Pleistocene to Recent geomorphic surfaces.

Complex basement structure (pre late-Miocene) is inferred below basin fill

(post mid-Miocene) and may have important control on potential deep (>1 km)

geothermal resources. Metamorphic core complexes, such as the Pineleno Moun­

tains, generally have a distinctive structural morphology (Coney and Davis

(1979): A low angle fault zone of chloritized mylonite and mylonite breccia

overlies mylonitized metamorphic rocks and gneiss. Deformed, but unmetamor­

phased rock overlie the low angle fault. While a low angle fault is not ob­

served in the Pineleno Mountains adjacent to Artesia, outcrops of mylonitic

gneiss at the base of the Pineleno Mountains suggest that a fault is preserved

in the Safford basin basement. A mid-Tertiary age for cataclasis of the gneiss

is unconfirmed (Thorman, 1981), but low-angle Miocene faults are observed at

Eagle Pass (Blacet and Miller, 1978) and near Gillespie Mountain (Thorman,

1981) on the northwest and southeast ends, respectively, of the Pineleno

Mountains.

Monoclinally dipping post-Cretaceous to pre late-Miocene volcanic flows

and clastic sediments deformed by listric normal faults that merge into a low

angle fault are inferred beneath basin fill, in the basin., adj acent to the

Pineleno Mountains. Highly fractured zones near the low-angle faults may act

-4-

o I '" I--. --100

200

~~lb

~ 300~

~~

400

-- --• •

•••

•

Temperature vs Depth for Artesian WellsIn the Cactus Flat-Artesia Area

10~kAf - ­+ - +-+ -t+

+ -­+

CACTUS FLAT DATA

500

• Wells in the Cactus Flat Area

+ Wells In Sections 32 and 33, 0-8-26at Artesia

Correlation

SlopeIntercept

0.9320644.9

19.9

19 20 21 22 23 24 25 26 ZT 28 29 30 31 32 33 34 35 36 37

Temperafurs (OC)

Figure 2. Temperature versus Depth of Artesian Wells

-5-

as a deep geothermal reservoir.

Thermal Artesian Wells

Surface discharge temperatures of artesian wells, south of Safford along

u.S. 666, are plotted against their respective depths (Fig. 2). The wells,

exclusive of those in sections 32 and 33, Township 8 South, Range 26 East,

oshow a linear increase in temperature with depth (4.5 C per 100 m). At least

five separate, vertically stacked aquifers confined by clay and silt provide

water to these wells (Witcher, 1979).

From studies of several deep (>300 m) mineral exploration holes 18 km

north of Safford, Reiter and Shearer (1979) reported an average heat flow

(79.5 mWm2), which is typical for the southern Basin and Range Province.

Because basin fill in this area has thermal conductivities less than 1.88 W/mK,

a 45 0 C/km gradient is normal for a conductive heat flow of 7.9 mWm2•

Unusually warm wells occur in sections 32 and 33, Township 8 South, Range

26 East. These wells have estimated temperature gradients exceeding 1000 C/km

(Fig. 2). Unfortunately, no wells exist south of this anomaly.

Ground Water Chemistry and Use of Geothermometers

Nontherma1 «300)' ground water in the area has sodium bicarbonate to

sodium sulfate-bicarbonate chemistry with total dissolved solids (TDS) less

than 1,000 milligrams per liter (mg/1). Thermal waters (>30 0 C) have sodium

sulfate to sodium chloride-sulfate chemistry with TDS ranging between 1,000

and 9,000 mg/1. Witcher (1981) showed that the chloride-sulfate versus bicar-

bonate ratio has a logarithmic relationship to lithium concentration, which

suggests that thermal and nontherma1 water chemistry evolves from contact with

differing lithology through equilibria and ion exchange processes (Fig. 3).

The clay-silt facies provides a source for sulfate, chloride and lithium.

Silica concentrations are highest in nontherma1 sodium bicarbonate water.

-6-

•

0.931450.6281.555

• •

••

•

•••

CORRELATIONSLOPEINTERCEPT

•

••

II

II

II

II,

II

II,

II, .

II,

/I

II,.,

II./../'

II

I,I·"II

I,I,

II

/,,I

II

I,,I

II

"I,, .I

l5

-0.5

1.0

0It'

0Cf) (.)

+ +It'

U 0 0.5uX

Cl

90.0

Concentrations in milliequivalents

-1.0

LOG Li

-0.5 0.0

Figure 3~ Chlorid~~ulfate and Carbonate Ratioversus Lithium

-7-

C\A~o

~~ -3.0"~ C)

~ :3~~)"...... -3.5~i::l,,)~

~liS~~ -4.0~

•

•• /

• • /•-'

• ,:• I •• • ••/

•./ • •• / •

/•

• /

/ • •••

//

//

/•

CORRELATION 0.6998SLOPE 1.5157INTERCEPT 3.18

-4.5-+----'--...,.-----_----.....-----~..._--'-5.0 -4.5 -4.0 -3.5

LOG Si(OH)4Excess Silica

INCREASING ACTIVITY (CONCENTRATION/)-'-----......~

Figure 4. Dissolved Carbon Dioxide versusExcess Silica

-8-

oSeveral studies of low-temperature « 50 C) ground ·waters in contact with

felsic rocks or sediment derived from these rocks have shown that silica con-

centration is a function of dissolved carbon dioxide (Garrels and Mackenzie,

1967; Paces, 1972):

Alumino-silicate + H2C0 3 + cations + HCO; + Si (OH)4 + Kaolinite

solid

Si (OH)4 is dissolved silica

solid

Comparison of calculated dissolved carbon dioxide concentration with silica

concentration in all Artesia-Cactus Flat area waters suggests that a steady

state disequilibrium between dissolved silica and alumino-silicates plus quartz

has a more dominant influence on silica concentration than does temperature

dependent equilibrium with quartz alone (Witcher, 1981). Figure 4 shows carbon

dioxide concentrations compared to excess silica concentrations. Excess silica

is determined by subtracting analyzed and pH-corrected silica from a theoretical

temperature-dependant equilibrated solution with either quartz, chalcedony,

or cristobalit~. The species selected for this calculation is the one which

least exceeds the analyzed silica.

The silica and Na-K-Ca geothermometers (Fournier and Rowe, 1966 and

Fournier and Truesdell, 1973) are not applicable in the Artesia area within

the assumptions governing their use (Fournier, White, and Truesdell, 1974);

also the unusually warm waters in sections 32 and 33, Township 8 South, Range

26 East have chemistry that is indistinct from that of other waters in the

Artesia area.

The following shallow « 1 km) ground watex flow and chemical evolution

model may apply in the Artesia area. Meteoric water recharging aquifers near

the Pineleno Mountain front has a high dissolved carbon dioxide content which

attacks alumino-silicate minerals to form sodium-bicarbonate water o As ground

-9-

water flows deeper into and laterally through sand and gravel zones confined

by clay and silt, evaporite and carbonate minerals in the clay dissolve and

ion exchange with clay minerals occurs to transform the sodium bicarbonate

water into sodium sulfate-chloride water.

Soil Mercury

Soil mercury anomalies are frequently associated with high temperature

ohydrothermal systems (>150 C). Matlick and Buseck (1975) and Capuano and

Bamford (1978) have used soil mercury sampling with success over high tem-

perature systems to define structure which controls fluid flow. Mercury gas

leaks upward along these structures where it is measured in near surface soil.

A soil mercury survey was conducted south of the area having anomalous

temperature wells in order to delineate the extent of the anomaly, to identify

potential structure control of a probable convective system, and to test the

oapplicability of soil mercury on a probable low temperature «100 C) geother-

mal system in a southern Basin and Range geologic setting. A soil mercury sur-

vey was selected because it is inexpensive and rapid to perform.

Two soil samples were collected at each sampling site, approximately 3 m

apart and 10 cm deep, were placed in 3 x 5 ziplock plastic bags. Samples were

laboratory dryed and screened through an -80 mesh stainless steel sieve. The

fines were analyzed for mercury by using atomic absorption. Agreement between

samples at each location was ±42 ppb.

Background mercury concentration in the study area was 225 ppb ±99,

which is relatively high and it may reflect the geologic setting. Unusually

high soil mercury content is defined by values exceeding 303 ppb, which is the

mean plus one standard deviation. No correlation exists among different strat-

igraphic-geomorphic surfaces in the survey area.

High concentrations of mercury occur south of Artesia and adjacent to

-10-

T8S

T9S

-\- .~

\'"24 19

~20 - 21 -22 2:5

0II-

~fill

• 1 --- -24 - 30 29 28 27 26-• .-

- 666 -56 51 52 - 55_ 54 55-- -.- -- 5L., - - • ••

I 6 t'\ • 5 2

~OO~ .-~~O~ }

(: ~

--12 7_....

8 '\ '10 II

~•

I. i •

• ~~350'bJ'.15 18 17 14

/ •

I,?O -24 19 20 21 22 25

R25E R26E

T8ST9S

o I Mile1..' ---..J'

• Sample locationConcentration in parts per bi I lio n (ppb)

tnI

Figure 5. Soil Mercury Anomaly

-11-

3238Temperature Cdeg C)24 26 282220

0r--~--,r-----r----,---.-----,---.-----,---r---r---r-----.

t""\ 25(f)

L(l)

-I->(l)

Ev

..L-I->

Q..(l) 500

TEMPERATURE LOGS OF HEAT FLOW HOLES

Figure 6. Temperature versus Depth Of Heat Flow Holes

-12-

the area with anomalous temperature wells, (Fig. 5). Two east-northeast trend­

ing closures with mercury exceeding 350 ppb are within a general northwest

trending zone of high soil mercury (>303 ppb). Highest mercury concentrations

are 380 ppb.

Temperature Gradient and Heat Flow Studies

An array of eight temperature gradient/heat flow holes, centered on the

soil mercury anomaly, were drilled to a maximum depth of 64 m. The heat flow

study was designed to confirm the existance of a geothermal anomaly inferred

from the soil mercury survey and indicated by the adjacent anomalous wells,

and to obtain data that may have use for modeling the extent of and natural

heat loss from the system.

Shallow drills holes «61 m) were selected to avoid intersection with

possible artesian aquifers and because limited drill footage is least expensive.

The holes were drilled with a small Simco 4000 tracked air drill, commonly used

for mining evaluation and engineering studies. Drilling was accomplished with

air, or air and foam, using a drag bit o Formation samples were collected at

10 ft (3 m) intervals.

Holes were completed by installing a 1 inch (2.5 em) PVC, 200 psi pipe

capped at the bottom and filled with clean water. A thick mixture of gel mud

and cement filled the hole annulus around the PVC casing. A 3-m-long iron

pipe with a lockable cap was set around the PVC at the surface and filled with

cement.

Discrete temperatures (±O.OloC) were measured at 5 ft intervals (1.52 m)

in these holes. Figure 6 shows the results of temperature logging. All holes

except HFI and HFIO show a conductive (linear) gradient. The temperature pro­

file of HFI is concave downward and may indicate upward seepage of water, pos­

sibly from a leaky artesian aquifer at about 60 m depth •. HFI may hayepen..,..

etrated a fault zone because it is the only hole that encounted zones of

-13-

STATIC WATER TABLE ELEVATION

T8S

T9S

~~..

24 19 ~ 20 21 22 230

""~III

\

25 30 29 29 27 26

E6

36 31 32 33 34 35

H~~$250S ~ ,\,.~r .u~l':.

S..

3258

\3 2I 6

~~ \ --,;

~OOHF3

HFI --3330 -3350• - 34003338

~.HF6

1;0 II12 7 8 134'''''\ 10 34

~HF2 "'-"'4"A -1-3500

3~80· I 7 j,.-"'"

I I 3550/13 18 ~ 17/ 16 / • 15 14

~ / HF7

/ 3505 600",,--3~

/'

24 19 20 21 22 23

T8T9

R25E R26E

ELEVATIONS ARE IN FEET ABOVE MEAN SEA LEVEL

fnI

o I Mile

..... _'-.. Figure 7. Map of Static Water Table

-14-

Table LA. Bulk Thermal Conductivity and Lithology of Sand/Gravel Samples

Bulk Conductivity (kB)-3 01 X 10 cal/cm sec C

Drill Hole

HFl

HFI

HF2

If-" HF2lJ1I

HF3

HF4

HF5

HF6

HFI0

Depth Interval

Feet

(meters)

70-80(21.3-24.4)

150-160(45.7-48.8)

80-90(24.4-27.4)

150-160(45.7-48.8)

160-170(48.8-51.8)

160-170(48.8-51.8)

90-100(27.4-30.5)

60-70(18.3-21.3)

60-70(18.3-21.3)

Mean

(W/mK)

6.86(2.87)

7.31(3.06)

6.85(2.87)

6.73(2.82)

6.27(2.62)

7.72(3.23)

5.76(2.41)

6.90(2.89)

6.26(2.62)

6.74:!: 0.59(2.82 ± 0.25)

Lithologic Description

Sandy granule to pebble conglomerate: uncemented,clayey, poorly sorted, feldspathic litharenite.

Very fine to coarse sandstone: uncemented,clayey,poorly sorted, subarkose.

Pebbly medium to very coarse sandstone: uncemented,clayey, poorly sorted,litharkose.

Pebbly very fine to very coarse sandstone: uncemented,clayey, poorly sorted,litharkose.

Sandy granule to pebble conglomerate: uncemented,clayey, poorly sorted, feldspathic litharenite.

Pebbly medium to very coarse sandstone: uncemented,poorly sorted, biotite, magnetite, litharkose.

Coarse to very coarse sandstone: uncemented, wellsorted, litharenite.

Sandy granule to pebbly conglomerate: uncemented,clayey, poorly sorted, feldspathi~litharenite.

Fine to very fine sandstone: uncemented, clayey,moderately sorted, subarkose.

Note: lithics in these samples consist predominantly ofgranitic clasts, less than 25% andesite porphyry clastsand schist fragments. Sample HF5 (90-100 feet) containedmore than 40% schist fragments.

Table lB. Bulk Thermal Conductivity and Lithology of Clay/Silt Samples

Il-'(J\

I

Drill Hole

HF3

HF5

HF6

HF7

Depth Interval

Feet

(meters)

100-110(30.5-33.5)

120-130(36.6-39.6)

130-140(39 0 6-42.7)

80-90(24.4-27.4)

Bulk Thermal Conductivity (~)

-3 01 X 10 cal/cm sec C

(W/mK)

3.88(1.62)

4.14(1. 73)

4.62(1.93)

4.92(2.06)

Lithologic Description

Claystone

Sandy siltstone to claystone

Sandy s·iltstone

Sandy siltstone .~

HF7 170-180(5108-54.9)

Mean

5.63(2.36)

4.64 ±0.69

1.94 ±0.29)

Sandy to pebbly s·iltstone

indurated sand and gravel. These zones may indicate paleosols (caliche) or

cementation resulting from ground-water flow across a physio-chemical boundaryo

HFIO encountered the only significant quantity of water during drilling, which

accounts for the observed thermal disturbance. During logging, another well

o·located 150 m from HFIO was pumping 2q C water.

All temperature logs except HFIO show a slight decrease in gradient be-

low about 30 to 45 m depth. This decrease indicates a small thermal conduc-

tivity change attributable to the hole penetrating water saturated sediments

at that depth (water table). A map of the static water table (Fig. 7) is in-

terpreted from gradient changes. Ground water flow is from south to north and

all wells but HFI and HFIO apparently encounter mostly low permeability sedi-

ments as indicated by a lack of noticable water during drilling and the con-

ductive gradients.

Representative formation samples from these holes were measured for ther-

mal conductivity, using a divided bar apparatus o Conductivities were measured

at Southern Methodist University i~ Dave Blackwell's heat-flow lab. Lithologic

descriptions of samples and bulk thermal conductivities are listed in Table lA and lB

Two suites of basin fill are represented in Table lA and lB. Mean bulk thermal

conductivities of the two categories of sediments, the silt/clay and the sandi

conglomerate, were corrected for porosity in order to get a formation thermal

conductivity (Sass and others 1971). The following equation was used for porosity

corrections: KF = (~cP) (rzi-~

where ~ = formation thermal conductivity

~ = bulk thermal conductivity of rock

~ = thermal conductivity of pore medium

cP fractional porosity

Because no geophysical logs were performed on these holes, and core samples

were not taken, detailed porosity information is not available. However,

-17-

Table 2. Data Used For Heat Flow Calculations-

Drill Hole Thermal Conduetivity(KF) Gradient Depth Interval Lithology Heat Flow-3 0 °C/km -6 2

(1 X 10 ca1/cm sec C Feet 1 X 10 ca1/em sec

(W/mK) (meters) (nM/m2

)

HF1 4.24 ± .37 187.49 ± 17.69 65-95 sand/gravel 7.95 ± 1.51

(1.77 ± .15) (19.8-29.0) (332.63 ± 63.18). +

43.42 ± 13.26 145-205 sand/gravel 1.84 ± .774.24 - .37+ (44.2-62.5) (indurated zones) (76.99 ± 32.22)(1.77 - .15)

HF2 4.24 ± .37 31.73 ± 5.55 65-195 sand/gravel 1.35 ± .37

(1.77 ± .15) (19.8-59.4) (56.48 ± 15.48)

HF3 3.27 ± .49 134.78 ± 49.50 70-130 silt/clay 4.41 ± 2.52

(1.37 ± .21) (21.3-39.6) (184.51 ± 105.44)

I 4.24 ± .37 123.74 ± 19.08 140-170 sand/gravel 5.25 ± 1.33I-"00 + (42.7-5108) (219.66 ± 55.65)I (1. 77 - .15)

HF4 4.24 ± .37 122.12 ± 19.99 135-195 sand/gravel 5.18 ± 1.37+

(4~.1-59.4) /216.73 ± 57.32}(1.77 - .15)

HF5 3.27 ± 049 44.41 ± 10.99 85-135 silt/clay 1.45 ± .63

(1.37 ± .21) (25.9-41.1) (60.67 ± 26.36)

HF6 3.27 ± .49 94.46 ± 13.76 80-150 silt/clay 3.09 ± .98

(1.37 ± .21 (24 04-45.7) (129.29 ± 41.00)

HF7 3.27 ± .49 78.18 ± 5.91 150-205 silt/clay 2.56 ± .60

(1.37 ± .21) (45.7-62.5) (107.11 ± 25.10)

HF10 4024 ± .37 70.86 ± 21.90 70-90 sand/gravel 3.00 ± 1.28

(1. 77 ± .15) (21.3-27.4 (125.52 ± 53.56)

~

~t""

021 22 2324 19 ($. 20

0

'".~

825 30 29 26 27 26

36 31 32 33 35

2

\I12

HFLO , HF5 T8ST8S+-,....I- ---rl .-rl---\---+---~'-Jr_j=!.~_==_-___,l....-----_++

T9S ,,-" \ 60.67 T9S

. r.Z &0,\ \ \f\. ,'%. ,1\ " \ 1\ iSl

H------t---- ~ , 'HF3 J.--\----\---+I_+_\----+------+-1HF1~~.\ '219.E6 ' \

\ \ \ \~. HF67 "\ " \ 6 \ 9 .. 129.29

HF2_ \\\ ~ i-.jj I

13 14

24 19 20 21 22 23

R25E R26Eo I Mile\-.~ --.ll

+nHF 3 Well number I..219.66 Heat flow (No value indicates ground water disturbance.)

mW/m2

Figure 8. Map of Heat Flow

-19-

R25E R26E

tnI

o

/' Pleistocene fault

/ Bedrock fault zone

....... Soil mercury anomally.~·:.cf:-> 300ppb: .....~,:,:,::,:.' > 350ppb

2Heat flow >210 mW/m

~ Area of high heat flow1,1/1) > 125 mW/rrf

Bouguer gravity isogal--175- interval 5 milligals

(From Wynn, 1981)

Figure 9. Comparison <?f Happed Structure, Bouguer Gravity,Soil Mercury Anomalies and Heat Flow

-20-

porosities computed from geophysical logs in the shallowest unconsolidated

clay, sand and gravel in the Tucson basin, Arizona, range from 26 to 34 per-

cent (Davidson, 1973). A 30 percent porosity and a 006025 W/fuK thermal con-

ductivity for water were used for the porosity corrections.

Table 2 lists the information used in making the heat flow calculations

for each drill hole, whilecFigure 8 is a contour map of these data. Heat flows

range from 56.48 m W/m 2 in HFI to 219.66 m W/m' 2 in HF3. The computations are

estimated or apparent heat flows because of uncertianty in formation porosity

and in thermal conductivity of the pore medium above the water table. Also,

no topographic correction was applied to holes HF7.and HFlO. The other holes

do not require this correction.

Synthesis

A north-northwest trending heat flow high (> 167m Wim 2) overlies a high

soil mercury anomaly (>300ppb) of the same trend. The~highest apparent

value (219.66 m w/m2) coincides with a- 350 ppb soil. mercury closure with east-

northeast trend (Fig. 9). These anomalies overlie a major Basin and Range

fault zone interpreted from complete Bouguer gravity data. An inferred struc-

tural intersection of northeast-trending basement faults with the high angle

basin-bounding fault zone coincides with the soil mercury and heat flow ano-

malies. Also, the highest soil mercury anomalies trend east-northeast sug-

gesting structure control with that orientation. Repetitious Pleistocene

faulting on the Basin and Range fault zone may have created and sustained

open fracture permeability at depth. All the above factors point toward a

hydrothermal convection system possibly controlled by basement structure.

Projection of temperature gradients to depths greater than the drill

hole is speculative; however, reconnaissance dipole-dipole resistivity pro-

filing indicates 450 to 950 m of relatively impermeable silt, clay and eva-

porite sediments (Phoenix Geophysics, 1979; Witcher, 1981). Tentative

-21-

INFERREDSUBSURFACE MODEL OF SAFFORD BASIN

bedrock structure (pre - Late Miocene)below basin fill is highly speculative

(not to scale)

Lower Basin Fi II

ConglomerateFacies

MOSTLYUNDEFORMED

POST- MID MIOCENE

SEDIMENTS

EvaporiteFacies

BASIN

Facies

Basin Fill

SAFFORD

,/Pleistocene Fault

Scarp

Figure 10.

-22-

projection of a 120oC/km gradient to SOO m gives ~ 78°C temperature when us­

ing 18°C as the mean surface temperature.

A deep ( >1 km) intermediate temperature (100 - 1S0oC) resource is pos­

sible beneath the area with anomalous heat flow. Two exploration targets are

inferred. The most accessible potential reservoir is in the conglomerate

facies below the clay and silt facies. The other reservoir target, which is

highly speculative, may lie in a complex basement structural setting (Fig. 10).

Because the Pine1eno Mountains are a metamorphic core complex, a low angle

fault, overlain by highly deformed pre~Basin and Range tectonism (pre-late

Miocene) rocks, is tentatively inferred in the Safford basin basement. Such

a fault zone may contain significant fracture permeability and may receive

recharge from the Pine1eno Mountains via northeast trending basement fault

zones. This latter model is essentially a "Raft River" type system, which

occurs in a similar metamorphic core complex tectonic setting in Idaho

(Covington 1980).

Conclusions

A combination of soil mercury and shallow temperature gradient surveys

is a viable exploration method in southern Arizona to delineate potential

hydrothermal convection systems. Prior to running these surveys, a thorough

evaluation of available geohydro1ogic, geophysical and geologic data is recom­

mended to identify areas that may have convective thermal regimes. Also,

these data are useful to interpret results of mercury and heat flow studies.

The Na-K-Ca geothermometer probably has little value in large basins con­

taining significant lacustrine and playa deposits due to ion exchange and the

high solubility of gypsum and ha1ite o The pH and carbonate species need care­

ful measurement when obtaining hydrochemical samples for geothermal studies.

Clarification of equilibria control on silica concentration, using pH and

carbonate geochemical information, is apparently required to successfully use

-23-

silica geothermometry in evaluation of geothermal potential in southern Ari-

zona basins.

Drillers' logs, lithologic logs and Bouguer gravity data are very useful

in evaluation of Arizona basins. Clay and silt distribution in the subsur-

face has prime importance because the clay and silt frequently form confining

layers overlying thermal aquifers. In addition they have high temperature

gradients due to low thermal conductivities. As a result of high gradients,

osignificant low temperature « 100 C) resources may occur within and below

the silt and clay. Bouguer gravity data are useful for structure and relative

basin fill thickness determinations. Reconnaissance electrical resistivity

surveys are most useful to map silt, clay and evaporite strata where well

data are absent.

In conclusion, exploration for low to intermediate temperature (30 to

1S00 C) geothermal resources in easily accessible areas near potential users

may find resources \",hich w:i:l1 help keep future energ:y cqsts low~ conserve

potable ground water, and tTI.sure econom;ie pJ::oductivity' in the developed areas of

southern Arizona. Due to extensive ground water development, these areas

often have available a great amount of hydrologic and subsurface geologic in-

formation, useful for geothermal surveys.

-24-

Blacet, P. M. and Miller, S. T., 1978, Reconnaissance geologic map of theJackson Mountain quadrangle, Graham County, Arizona: U. S. GeologicalSurvey Miscellaneous Field Studies Map MF-939.

Capuano, R. M. and Bamford, R. W., 1978, Initial investigation of soil mer­cury geochemistry as an aid to drill site selection in geothermal sys­tems: Earth Science Laboratory Report ESL-13, University of Utah Re­search Institute, Salt Lake City, Utah, prepared under U.S. DOE Con­tract EG-78-C-07-l70l, 32 p.

Coney, P. J., 1978, The plate tectonic setting of southeastern Arizona: InCallender, J. F. Wilt, J. C., and Clemons, R. E., eds., Land of Cochise,New Mexico Geological Society Guidebook, 29th Field Conference, pp. 285­290.

Covington, H.R., 1980, Subsurface Geology of the Raft River Geothermal Area,Idaho: Geothermal Resources Council, Transactions, Vol. 4, p. 113-1150

Davidson, E. S., 1973, Geohydrology and water resources of the Tucson Basin,Arizona: U. S. Geological Survey Water Supply Paper 1939-E, 81 p.

Davis, G. H., and Coney, P. J., 1979, Geologic development of the Cordilleranmetamorphic core complexes: Geology, Vol. 7, p. 120-124.

Elston, W. E., 1958, Burro uplift, northeastern limit of sedimentary basin ofsouthwestern New Mexico and southeastern Arizona: American Associationof Petroleum Geologists Bulletin, Vol. 42, p. 2513-2517.

Fournier, R. O. and Rowe, J. J., 1966, Estimation of underground temperaturesfrom silica content of water from hot springs and wet steam wells:American Journal of Science, Vol. 264, p. 685-697.

Fournier, R. O. and Truesdell, A. H., 1973, An empirical Na-K-Ca geothermo­meter for neutral waters: Geochimica et Cosmochimica Acta, Vol._ 37,p. 1255-1275.

Fournier, R. O. and White, D. E., and Truesdell, A. H., 1974, Geochemical in­dicators of subsurface temperature-part 1, basic assumptions: U. S.Geological Survey Journal of Research, Vol. 2, No.3, p. 259-262.

Garrels, R. M. and Mackenzie, F. T., 1967, Origin of the chemical compositionsof some springs and lakes: in ,Equilibrium Concepts in N.atura1 WaterSystems: American Chemical Society, Washington, D. C., p. 222-242.

Harbour, J., 1966, Stratigraphy and sedimentology of the upper Safford basinsediments: unpub. Ph.D. Thesis, University of Arizona, 242 p.

Matlick, J. S. III, and Buseck, P. R., 1976, Exploration for geothermal areasusing mercury: a new geochemical technique: in Proceedings 2nd U.N.Symposium On Development and Use of Geothermal Resources, U. S. Govern­mentPrinting Office, Vol. 1, p. 785-792.

-25-

Menges, C. M., Peartree, P. A., and Calvo, S., 1982, Quaternary faulting insoutheast Arizona and adjacent Sonora, Mexico (a.bs): Abstracts, 78thannual meeting Cordilleran Section, The Geological Society of America,April 19-21, 1982, Anaheim, California, p. 215.

Morrison, R. B., Menges, C. M., and Lepley, L. K., 1981, Neotectonic maps ofArizona: in Stone C. and Jenny, J. P., eds., Arizona Geological SocietyDigest, Vol: 13, p. 179-183.

Oppenheimer, J. M. and Sumner, J. S., 1981, Gravity modeling of the basins inthe Basin and Range Province Arizona: in Stone C. and Jenny, J. P.,eds, Arizona Geological Society Digest,-Vol. 13, p. 111-115 with1:1,000,000 scale, depth to bedrock map.

Paces, T., 1972, Chemical characteristics and equilibrium in natural water­felsic rock-C02 system: Geochimica et Cosmochimica Acta, Vol. 36,p. 217-240.

Phoenix Geophysics, Inc., 1979, Report on the reconnaissance resistivity andVLF-EM surveys of the Safford Valley area, Graham county, Arizona:Arizona Bureau of Geology and Mineral Technology Open-File Report 81-23.

Reiter, M. and Shearer, C., 1979, Terrestrial heat flow in eastern Arizona,A first report: Journal of Geophysical Research, Vol. 84, no. Bll,p. 6115-6120.

Sass, J. H., Lachenbruch, A. Ho and Munroe, R. J., 1971, Thermal conductivityof rocks from measurements on fragments and its application to heat flowdeterminations: Journal of Geophysical Research, VoL 76, no. 14,p. 3391-3401.

Scarborough, R. B. and Peirce, H. W., 1978, Late Cenozoic basins of Arizona:in Callender, J. F., Wilt, J. C., and Clemons, R. E., eds., Land of~chise, New Mexico Geological Society Guidebook, 29th Field Conference,p. 253-259.

Silver, L. T., 1978, Precambrian formations and Precambrian history in CochiseCounty, southeastern Arizona: in Callendar, J. F., Wilt, J. C., andClemons, R. E., eds. Land of Cochise, New Mexico Geological SocietyGuidebook, 29th Field Conference, p. 157-163.

Swan, Mo Mo, 1982, Influence of pre-Cretaceous structure upon late Cretaceous­Tertiary magmatism in southern Arizona and New Mexico (abs): Abstracts,78th annual meeting Cordilleran Section, The Geological Society ofAmerica, April 19-21, 1982, Anaheim, California, p. 238.

Thorman, C. H., 1981, Geology of the Pinaleno Mountains, Arizona a preliminaryreport: in Stone C. and Jenney, J. P. eds o , Arizona Geological SocietyDigest, Vol. 13, p. 5-11.

Titley, S. R., 1976, Evidence for a Mesozoic linear tectonic pattern in south­eastern Arizona: in Tectonic Digest, Arizona Geological Society Digest,Vol. X, p. 71-101.-

-26-

Appendix 1

Temperature Logs Of Drill Holes

-28-

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-36- I

Appendix 2

Copies Of Well Completion Reports

-37-

WELL CCMPLET IQ'.l OR RECCMPLETION REPORT AND WELL LOGGEOTHERMAL RESOURCE WELL

DESIGNATE TYPE OF' COMPI,ET I ON:

NEW 0 WORK 0DEEPEN 0 PLUG Rl SAllE 0 o IFFEHENT D DRY 0 ROT 0 DRY ElWELL OVER BACK RESERVOIR RESERVOIR STEAM WATER

DESCRIPTION OF WELL AND LEASE

OPERATOR A'<'J~"',v.... 8u~1t u Or Gh:>'-CGy' /'I-v..o ADDIIESS

/\1IN~~ 7.6f-H,v.ol.-oGy (~66"'"r) 6 '15 AI. ~~k /'lvc-. luc.$Ol\,J, /9&.) ~()A,/A 857/1FEDERA.L, STATF: flR '''ttl ct' LLf(.'~ NP\(IIEItitn PI,dIE or L1 J5tht WELL NU\IIH(1l I'IELD & HESEHVOlllIIi Ii'lili Ioli'liE $L.o 11:1 7:.3-605"5'3 r~('-A"'O ...."") /-;Y:;/ A-er6S/11!Ji.v!<.# ~S- ~O/':;€J""A~ _T" W,-u.\LOCATION i COUNTY

,,;Vi.. /IOC tA./L.. /"-100 6 teA Hrt MSEC, TWP-RANGE OR BLOCK & SURVEY

:s~ ~'tJ A-1,£ V'1' NwY;I s~c 8 T. 9 s ..... ;e, z 6 i5..D I\TE SPUDDED DATE TOTAL DEPTH REACHEDIDHE COMPLETED, nEAIJYIELEVATION ~ I ELEVATION OF CASING

/c:? t>4:.c... / '18 ) /-Y /98/ TO P HODUCE N/A (Dl~ R~~ RT, or GR, lIB i Flu' N~" It)~c. 0 EET 3 L.( 3- FEET

TOTAL DEPTH P ,n, T. D. IAI IUlI\ I Ll.IW (I NTi':n VA L) IF'LlIIDDRI LLED (I NTERVAL)

zo6 z.oo .r::~~r

I' RODUC I NG INTERVAL (S) FOR THIS COMPLETION ROTARY TOOLS USED (INTERVAL) CABLE TOOLS USED ( INTERVAL)

No-vii: - .~J'L<:,-r~" .Ash"~,.. /L-o.v hoLE: 0- 2-0G Aoj/AWAS THIS WELL DIRECTIONALLY WAS DIRECTIONAL SURVEY MADE? WAS COpy OF DIRECTIONAL DATE F'I LEDDRI LLED?

·AJo #0 SURVEY FILED? AI/A ..v/ATYPE OF ELECTRICAL, TEMPERATURE. CEMENT BOND OR OTHER LOGS RUN DATE FILED(CHECK LOGS FILED WITH THE COMMISSION) /~M/4ZA7f/~£ M/JV 17'82

CASING RECORD

CASING (REPORT .ALL STRI NGS SET IN WELL-CONDUCTOR, SURFACE, I NT ER.lllm [ AT E, PRODUCING, ETC.)

PURPOSE S [ZE HOLE DRILLED SIZE CASING SET WEI GHT (La ,,'PT.) D EPTn SET S ,leKS CEMENT AMT. PULLED

:>t-J~':'I'~ <lIN. <'V "/;-v. /,€o/OJ /1'pL /D ~kT"" A/ONe

76,.,..a. (,.06- ,4/,#, / t.v. N~ ZoDA:J Z.ob /Gf:..r /lk)'\J E:'

TUB I NG RECORD AI/A I. INER I\ECORD M'ASIZE DEPTH SET PACKER SET AT SIZE TOP 1 BOTTOM SACKS CEMENT I SCREEN (PT. )

IN. PT. FT. IN. PT, FT.

PERFORA.TION RECORD A//A AfID, SHOT, FRACTURE, CEMENT SQUEEZE RECORD A//ANUMBER PER FT. SIZE .l: TYPE DEPTH INTERVAL AMT , &. KIND OF MATERIAL USED DEPTH INTERVAL

INITIAL PRODUCTION

DATE ~ASTATlf TESTAN AI. YSES OF FLUIDS & GA.SES AI/A

SHUT IN WELL HEAD TOTAL IIASS FLOW DATA ..v~ S EPAI\ATOR DATA "v/ATEMP, or' PRES. PSIG. LBS/HR TEMP. °F PRES.PSIG. ENTHALPY ORInCE

WATEIl STEAMPI\ES.PSIG. TEMP, °FCUFT/HR LBS/HR

CERTIFICATE: I, THE UNDERSIGNED, UNDER THE PENALTY OF PERJURY, STATE THAT I AM THE 660<,06/S1

Of THE ,A B E,;v"l T (COIlPANY) • AND THAT I ,\\1 AUT 111111 I ZF:!J flY SUD COMPANY TO MAKE TillS REPOIlT;

AND THAT T HI S REPORT WAS PI\EPARED UNDER !H SUPERVISION AND DIRECTION AND THAT THE FACTS STATED THEREIN ARE TRUE,

CORRECT AND CllllPl.ETE TO THE BEST Or' IIY KNOWLEDGE.

.£:~ t?/Jfl-/'1- M/7V /'18 Z-DATE I S It,NtHE v,A........~s: r. <-'I./' re.lii:A-

STATE OF ARIZONAOIL & GAS CONSERVATION COMMISSION

~'PLL fllll!' LET r O~ OR nECIl\lpLET I ON RE PO RT AND WELL LOG

76/ FILE nNE COP Y

PERM I T NO,FIIH \1 ~ ll. 1.- 1

WELL COMPLETION OR RECOMPLETION REPORT AND WELL LOGGEOTHERMAL RESOURCE WELL

DESIGNATE TYPE OF COMPLETION:

NEW 0 WflHK 0DEEPEN 0 PLUG a SAME D D I F FE RENT 0 DRY 0 HOT 0 DRY ~WELL OH:R BACK RESERVOIR R ESERVO I R STEAM WATER

DESr.RIPTION OF WELL ANn LEA"E

OPERATOR AR':{() .....'" fiJuA..if::J4V 0,' 6~(,.o&y "",.....,c. ADDRESS

,I'VI/~(". T~CJ.lN4I-O(QV (A~ 6.-v1T) 8'15 /11. ~.Q..X /\ 11.£. woc,v/ ;'l)t<..J~().v~ gf:7/ 'jFEDERAL. STATE " ~ NI'~IIEI< <Ill !' .dS ,iI" 1.I)',l\tll WELL NlJ~llll:1l EIELD & RESEHVOIR;;;;~;, ~ 00 $'-0# z.~-.60553' ¥'.U;>-.lO us~ .\

owk# J::5- ~o/~e£:C.e.-,<-..nr "",,~<...L ~rZ. Ap..re>/ALOCATION • ICOIINTY .

;V'- (00 W'-/t:.OO Gte.A;;~ tv1SEC. TWP-RANGE OR RLUCK & SURV!'Y

9A/€ Yv NW Y"I \ /l/w Yi ,/ S~c:. /7, T 5,./

If. 26 ~DATE SPUDDED DATE TOTAL DEPTH REACHED IDATE ec,MPLE1'F.D. READY IELEVATION @ I ELEVATION OF CASING

1 ~C:. /78/ /0 t>6C. /981 TO PIIonUCE N/~ (DF.:;l~~P'75-,OR G Fi,ET1-HB"?'S:l9'E; FEET

TOTAL DEPTH P.R .T. D. IAI RDRI LLED (INTERVALl If LU I DDRI LLED (I NTERVAL)

z..OO 'Zac r~L"'"l' RODUC I NG INTERVAL (S) FOR THIS COMPLETION ROHR Y TOOLS USED (INTERVAL) CARLE TOOLS USED (INTERVAL)

NO.v6' ... ~/,L~~ A~ #~jQi r~~ )ioLE: <:J - z.o 0 ....v/AWAS THIS WELL DIRECTIONALLY WAS DIRECTIONAL SURVEY MADE? WAS COpy OF DIRECTIONAL DATE F'I LEDDRI LLED? A/o NO SURVEY FILED? N/;1 .vJ-q

TYPE OF ELECTRICAL, TEMPERAT URE. CEMENT BOND OR OTHER LOGS RUN DATE FILED(CHECK LOGS FILED WITH THE ColiMISSIoN)

Tbvtf?~7v~c /VIA y /?S2.CASING RECORD

CASING (REPORT ALL STRI NGS SET IN WELL-CONDUCTOR, SURFACE. INTERMEDIATE. PRODUCING. ETC,)

PU RPOSE SIZE HOLE DRILLED SIZE CASING SET WEI GHT (LB .,'FT.) DEPTH SET SACKS CEMENT AMT. PULLED

~P~AC.€: "'//N. ",.... '1/..,/, /,It.'hv 1/,1>C /0 ;:-~eT' /V'v.ve

'Tb't.P. LOIS 'Y/N, liN. PilC ~f'sl 1'75 ri=.l::.( '/vOA/€"

TUBING RECORD ".V,~ LINER RECORD AI/~SIZE DEPTH SET PACKER SET AT SIZE TOP IBOTTOM SACKS CEMENT I SCREEN (FT. )

IN. FT. FT • IN. FT. FT.

PERFORATION RECORD "v/A HID, SIIOT, FllAr.TURE, O:MENT SqUEEZE RECORD/f/.1q

NUMBER PER FT. SIZE It. TYPE DEPTH 1 NTERVAL AMT. &. KIND OF MATERIAL USED DEPTH INTERVAL

INITIAL PRODUCTION

DATE N~STATIr TESTANALYSES OF FLUIDS & GASES A//19

SHUT IN WELL HEAD TOTAL MASS FLOW DATA ...v/A SEPARATOR DATA #/ATElip. OF rRES. 1'81 G. LBS/HR TElip. OF pRES.pSIG, ENTHALPY ORIF1CE

WATER STEAM PRES.pHIG, TEMP. OFCUFTrllR LOS/HR

CERTIFICATE: I. TilE UNDERSIGNED, UNDER THE PENALTY OF PERJURY. S TATE T HAT 1 AM THE G6:>LO~/'S.r

OF THE ,AB6N1T' (COMPANY) , AND THAT 1 AM AUTHURIZED DY SAID COMPANY TO MAKE THIS REPORT;AND THAT THIS REPORT WAS PREPARED UNDER lIY SUPERVISION AND OIR,:CTION AND TH,\T THE FACTS STATED THEREIN ARE TRUE,CORRECT AND COMPLETE TO THE BEST OF lIY KNOWLEDGE. ,hL ;;7 4/£_/'I/l-'f/YY /9$<- { .

DATE SlliN,\TURE L... , :l~s C. .?t/,rc,'7,{;"-'

STATE OF ARIZONAOIL & GAS CONSERVATION COMMISSION

WELL rOMPLETION OR RECOMPLETIoN REPORT AND WELL LOG

786F1LE ONE COpy

PERMIT NO.FIll" \1 ~II. (j- ,1

(CO\IPLETI;;..j9::"EIl~E SIDE'

WELL COMPLETION OR RECOvIPLETION REPORT AND WELL LOGGEOTHERMAL RESOURCE WELL

DESIGNATE TYPE Of" COMPLETION:

NEW 0 W('RK 0DEEPEN 0 PLUG g] SAME 0 !J II'FERENT 0 DRY 0 HOT 0 DRygWELL OVER BACK RESERVO IR RESERVOIR STEAM WATER

DESCRIPTION OF WELL ANIl LEASE

OpERATORA"J~""," .6\v124A .... 0"; Geo<..o6y '" ...,.a ADORESS

,...,.w/~L 76CHN'OL.Obll (AB~T' €3'1S' N: ~,Q.)( ,AV4::". lVc.sov, A~)"?o.N'1I 8:57/9FEDERAL, STATF,9:f . . . ',: NI'MIlER "~~(" ill 1.J.'I,tt~) WELL NII\II11'l1 FIELn & RJ.;SElIVIJIII...,r flili hBtz88 ~A:e-O"lO-I-li- No7.INTbv'r

/I~3 ",4AT~ S.//Y-:.".. - 50) ':';A,-c:.. 'Lx"-""'''' .ovlo_'-,",,\LOCATION

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'€:Z_6/VwY..; ,vw!/y, N'IA,I Yy :Sec::. 7 T. ? s.) 1£.

DUE SPUDDED.r

DATE TOTAL DEPTH REACHED IDATE COMPLETED. RHDY IELEVATION. @ I ELEVATION OF CASING

/ DeC. /718/ z.. 06C. I?el TO PRODUCE ...v~ (DI'31~:3~,OR G F~ET 1.... [,> ";1</''3."'/ FEET

TOTAL DEPTH P .B. T, D. IAI RDRI LLED (INTERVAL) II' LU I DDRI LLED (I NTERVAL)

-e:-o 0 "Z::.:;)c~&.,.-P RODUC I NG I NTERV AI, (S) FOR THIS COlipLETION ROTARY TOOLS USED (INn:RvAL) CABLE TOOLS USED ( INTERVAL)

/V'o.ve" - 1"'.,.... _LJ'-C1'~ Ash'MT rw"v' 110<.£ 0- Z-OoWAS THIS WELL DI RECTlONALLY WAS DIRECTIONAL SURVEY MADE? WAS COpy OF DIRECTIONAL DATE F'I LEDDRI LLED? SURVEY F II,ED? AIMNo NO M;.q

TYPE OF ELECTRICAL, TEMPERATURE, CEMENT BOND OR OTHER LOGS RUN DATE FILED(CHECK LOGS FILED WITH THE COMMISSION)

T~~~7"Vd.£ h1AY /96<-CASING RECOHD

C AS IN G (REPORT ALL STRI NGS SET IN WELL-CONDUCTOR, SURFACE, INTEHlfEDIATE, PRODUCING, ETC.)

PURPOSE SIZE HOLE DRILLED SIZE CASI NG SET WEI GHT (LB. ,'FT. ) D EPTII SET SACKS CEMENT AMT. PULLED

"SJ//<r:..... r::.~ ¥O.lo /V ¥,,v. /IQ;J"'" ;'lfJF / 0 ;e:.~i:.r ..vo........e:-~,.,.,,.t? £06 'flll/. I/AI. :PVe. 'Zao~, /87'r~r NON.!"

I

T UO I NG RECORD ,-v/~ LINEI\ RECOHO N/ASIZE DEPTH SET PACKER SET AT SIZE TOP IOOTTOM SACKS CEMENT I SCREEN (FT, )

IN. FT. FT. IN. I'T . FT.

PERFORATION RECORD #/,,4 AI [0, SHOT, FRA CT URE, CEMENT SQUEEZE RECORDN/A

NUMBER PER F'r. SIZE & TYPE DEPTH INTERVAL AliT. & KIND OF MATERIAL USED DEPTH INTERVAL

INITIAL PRODUCTION

DATE ~STATlr TESTAN AI, YSES OF FLU IDS & GASES #/1'9

SHUT I N WELL HEAD TOTAL MASS FLOW DATA A/,M SEPARATOR DATA A.I/1'9TEMP. OF PRES.pSIG. LBS/HR TEMP. °F PRES.PSIG,

WATER STEAMPRES.PSIG. TEllp. OFENTHALPY ORIFICE CUFTI HR LBS/HR

CERTIFICATE: I, THE UNDERSIGNED, UNDER THE PENALTY OF PERJURY, STATE THAT I AM THE 6~,-o61'Sr

OF THE ,AS 6/V1/ (COMPANY) , AND TH.H I oI\l .llITIIOI\ I ZED BY SAID COMPANY TO MAKE THIS HEPORT:

AND THAT THIS REPOHT WAS PREPARED UNDEH MY SUPERVISION AND DIRECT ION AND THAT THE FACTS STATED THEREIN AI\E TRUE,

CORRECT AND COMPLETE TO THE BEST OF MY KNOWLEDGE. /'1~ U/~~/Yft1AY -/'/8 z. (f:~

IJATE s{~:;yr'lIHI': :::p\"1 fl•.!: C. 4/1 rc~ 'l..

STATE OF ARIZONAOIL & GAS CONSERVATION COMMISSION

~·FLI. (',)I!!' LET I ON OR 1\F.rO\I!'LETION REPOI\T AND WELL LOG

782-FILE (,tHe COpy

PERM I T NO,FIt H ~I ~!" (i- t

WELL COMPLETION OR RECOvlPLETION REPORT AND WELL LOGGEOTHERfvlAL RESOURCE WELL

DESIGNATE TYPE 01" COMPLETIoN:

NEW 0 WoRK 0DEF.PEN 0 PLUG J2g SAME 0 DIFFERENT 0 DRY 0 HOT 0 DRYl21.WELL OVER It ACK RESERVOIR RESERVOIR STEAM WATER

DESrllI PT I ON 01" WELl. ANi) I.EASE

OPERATOR AI4~,,""'A /.fkI~v crG~u::.Gt ...... -.0 ADOIIESS

~..v6<A«.. /..!.<!hINO("OGY (,AB6""';Y (iJY5 .tV, ~,Q..)::. /'JV~'/ J:;.<!.SO....,~ ~ZCv'A e5>7/'1FEDERAL, STATF. .....I It'll III' II' 'I'll NI'IfIlER "II If?!!! II L~.,~~ WELL Ni)\IIlER F I El.D & RESEIIVOIR

.l-l" 1'1313 I F' ! £ E 8(jo1\, '# A-e -0"10-1- G - "11 A.If;I1. INi~ hlr7'F,. ~i?;a. sS'-So/¥~7fE.X"''''''D''' l</H \ /Y ~71!:'>1/1LOCATION

,IC(~~fI~/YlSL 15""a::::> WLIDO

SEC.T;p:-Af/; O~:C~~SU~V': y~ ;$~c:. 9 T. 'j >, ) ~. z6 t,

DATE SPUDDED DATE TOTAL DEPTH REACHED IDATE UJMPl.ETED. REAllY IEl.EVATION ~ I ELEVATION OF CASING

ZO~ /?81 30ec.. 1~81 TO PRODUCE #/.A (Or~5l;JT.OR GR!~ETIII!l,-3~J] FEET

TOTAL DEPTH p.B .T. D. IAIRDRILLED (INTERVAL) IFLUIDDRILLED (INTERVAL)

ZIO ZoOr-c!!:~(I' RODUC I NG INTERVAL (S) FOR THIS COMPLETION ROTARY TOOLS USED (INTERVAL) CABLE TDOLSUSED (INTERVAL)

;Y"OVC- Co.vt/'L~:::1W AS I-k:Ar~W #IJL.€" CJ - 010 ...v//ilWAS THIS WELL DIRECTIONALLY WAS DIRECTIONAL SURVEY MADE? WAS COpy OF DIRECTIONAL DATE F'I LEDDRI LLED?

./I/O A/<:J SURVEY FILED? A./M /lI/ATYPE OF ELECTRICAL. TEMPERATURE. CEllENT BOND OR OTHER LOGS RUN DATE 1"1 LED(CHECK LOGS FILED WITH THE COllllISSION)

/b1;O~T(//l£ ..-wAy 1'182-CASING RECORD

C ASI NG (REPORT ALL STRI NGS SET IN WELL-CONDUCTOR, SURFACE, I NTERllF.DI ATE, P RODUCI NG, ETC. )

PURPOSE SIZE HOLE DRILLED SIZE C ASI NO SET 1'1 EI G11'1' (LI1 .. 'I'T. ) II 1<:1''1'11 SET SACKS CEMENT AMT. PULLED

S'''''~AC-~ $II....... ~"IltV. /~N'Al'e /0 "e;~.v- /VO.-..l~

1b>1to. U> c; ~N'. I~.v. ?J/c. zool!sJ /'77 "c6~_r ...vOA/C

'I' UB I NO RECORD A//-A LINER RECORD /V/~SIZE DEPTH SET PACKER SET AT SIZE 'I' 01' IDOTTOM SACKS CEMENT I SCREEN (FT. )

IN. FT. FT. IN. 1''1' • FT.

PERFORATION RECORD #~ AC10, SIIOT, FRACTURE, CEMENT SQUEE Z1' RECORD ..v/ANUllBER PER FT. SIZE &: TYPE DEPT H INTERVAL AMT. & KIND 01" MATERIAL USED DEPTH INTERVAL

INITIAL PRODUCTION

DATE ~jq STATlr TESTANALYSES OF FLUIDS &: GASES ..if/A

SHUT IN WELL HEAD TOT AL MASS FLOW DATA /V.A SEPARATOR DATA M~

T 1',\11' ,°F PRE S. PSI G. LBS/HR TEllP. OF pRES.pSIG. ENTHALPY ORIFICEWATER STEAM

PRES.PSIG. TEMP. OFCUFT; IIR LBS/IIR

C ERTI FICATE: I, '1'111' UNDERSIGNED, UNDER THE PENALTY OF PERJURY. S '1' AT1' '1' II Al' I All TilE 6~o~61'5.r

OF THE ~e.6M.r (COllPANY) , AND THH I ,\ll .\lITlltJllI ZED BY S AI D COMPANY TO IIAKE TillS REPORT;

AND THAT THIS REPORT WAS PREPARED UNDER ,MY SUPERVISION AND DIRECTION AND TIlAT THE FACTS ST ATED THEREIN ARE TRUE.

CORRECT AND COMPLETE TO THE BEST OF MY KN OWLED GE.

/&1- L?dU~/L/MA1 /78<-DATE SIGNATUR~// :r~6.S c. 4.J/7"CI7re,.'C..

STATE OF ARlZONAOIL & GAS CONSERVATION COMMISSION

\'iFLL COIfPLETION OR ItECOIlpLETION REPORT AND WELL LOG

783FILE ONE COpy

PERMIT NO.~tI. li- tFtiR ~

._. _....~.:.rr-- ,_'!i.... .........,..::,~

(CO\IPIYTE RE\~Ei\~r,' ~ I DE'

.,.41-

WELL CQMJLETIOO OR REC()v1PLETION REPORT AND WELL LOGGEOTHERMAL RESOURCE WELL

DESIGNATE TYPE OF COMPLETION:

NEW 0 Wf'lIK 0IlEF.pEN 0 PLUG

~SAME 0 D I FFE RE NT 0 DRY 0 HOT 0 DRY gWELL OVER BACK R ESERVO I R R ESERVO I R STEAM WATER

DESCRIPTION OF WF.L!. ANIl u: AS f·;

OPERATORA<'l.I":<Q....." BI.I~v Oc'~y ,.0. ......0 ADDRESS

A4,weAA, T.e.c..H.v'OLOS y (.1985 ........ ..,...\· e.yS /l/.~~ /it/'J /vC$.i)...,I A.J,e'=COJl/I'\ 857/9Fl\ln:lI.\I., srATS Ill' ~II ~ 1,11""I~: NIIMIIEli""ll--lI ...."1 III' In 11111) WI': 1.1. Nil 11111';11 FII·;I.II ,\, II!o:SI·;IIVOIII

,J,.lO PH!! bP-iW4! LoM A~. O¥O-J-;e-,?:"(NOT. l.v~~yDW~ 5"S-~o/¥e ,,~ - JovHL /1;::-5 /YiZ.:Too!::S/1'9

LOCATION • IcOIIN~RAnAIV1$L /00 JUL.. 3<:>0SEC. TWP-RI\NGE OR BLOCK & SU RVEY

/ K.~"V Yy :>...v!l" ~J.v Y7" ~ >.tc.. >'!~ 7: 8 $, 26 E:...DUE SPUDDED DATE TOTAL DEPTH REACHED IDATE ClJMpLETED. READY IELEVATION (jj) I ELEVATION OF CA SING

i t)~c. 1:?8/ 1O~('. 1781 TO P RODUCE,v~ (D~f!~8' OR RF~ET I liB 3~!~ I FEET

TOTAL DEPTH I' .B. T. D. IAI RlJRI LLElJ (I NTEH VA L) IfLUIDDRIl,LElJ (INTEHVAL)

-z-/3 ZOo ,P'.ee:..,..I' RODUC I NG INTERVAL (S) FOR THIS COMPLETION ROTARY TOlJ!.S USED (INTERVAl,) CABLE TO OLS USED (INTERVAL)

~~ - (!OI"(j>U!:.fCO /?s /l6O""''''?LA.u /IoL€: o - 2-1 :3 ,.v/AWI\S THIS WELL DIRECTIONALLY WAS DIRECTIONAL SURVEY .\lADE? WAS COpy OF DIRECTIONAL DATE F'I LEODRI LLED?

",v.o A,/.o SURVEY fILED? .N',M .N'/ATYPE OF ELECTRICAL. TEl/PERATURE, CEMENT BOND OR OTHER LOG~ RUN DATE FILED(CHECK LOGS FILED WITH THE COMMISSION)

T~,/'o'J~~~TVA....c ~Avl?8Z-CASINU RECORD

CI\SING (REPORT ALL STRI NGS SET IN WELL-CONDUCTOR, SURFACE, INTERMEDIATE, PRODUCING, ETC.)

PURPOSE SIZE HO I.E DRILLED SIZE C AS I NG SET WEI G HT (LB .. 'FT.) DEPTH SET SACKS CEMENT AMT. PULLED

~~~ ~,/,/J, N 0/0". /~.!.>AlI0A£ /o.r~e...r A/o......~

7iMo. UJ6 'S'J..v. fiN Pile, Zoo!'.o;.l z,} 3 r£:.t:.,T /\/o..v,cV

TUBING RECORD ,A/M LINER RECORD -trASIZE IDEPTH SET PACKER SET AT SIZE TOP IBOTTOM SACKS CEMENT ISCREEN (FT. )

IN. FT. FT. IN. FT. FT.

PERI'ORATION RECORD A//A ArlO, SIIOT, fIlACTlIIIE. CEMENT SQUEEZE RECORDA//A

NUl/BER PER FT. g I ZE & TYPE DEPTH INTERVAL AMT, &. KINO OF MATElIlAL USED DEPTII INTERVAL

INITIAL PRODUCTION

DATE ~STATlr TESTANALYSES OF FLUIDS &. GASES ..-v:/,A

SHUT IN WELL IIEAD TOTAL MASS FLOW DATA ~M SEPARATOR DATA AI/ATEMP. °F pRES.PSIG. LBS/HIt TEMP. OF pRES.pSIG. ENTHALPY o HlnCE

1'1 ATER STEAMPRES.PSIU. TEMP.oFCUfT I IIR LBS/HR

CERTIFICI\TE: [ , TilE UNDERSIGNED. UNDER THE PENALTY OF PERJURY, STATE TIIAT I AM TilE Gb::lLOI$ IS. J

OF THE ABE01T (COMPANY) , AND THAT I AM Al'T)WRIZF:D I1Y SAID COMPANY TO MAKE THIS REPORT;

AND THAT THIS REPORT WAS PREPARED UNDER MY SUPERVISI()N AND DIRECTION AND TIIAT TilE fACTS STATED TIIEIIEIN ARE TRUE.

CORRECT AND COMPLETE TO THE BEST OF In KN OWLED GE.

/~ ~kt/~>/L./ /\-10/ /f82..-DATE S It, N{~.lJRE _:>~e,..s:. c· it.-J I r<.H6"'-

STATE OF ARIZONAOIL & GAS CONSERVATION COMMISSION

WfLL UilIPLET10N Oil IIECOMpLETION REPORT AND WELL LOG

780FILE ONE COpy

PERl/I T NO.F11rt\1 ~ It. ,;- I

\~ELL COMPLETICN OR RECOv1PLETION REPORT AND WELL LOGGEOTHERI'vIAL RESOURCE WELL

DESIGNATE TYPE OF COMpLET ION:

NEW 0 Wnl\K 0DEEPEN 0 PLUG 'gJ. SAME 0 DIFFERENT 0 DRY 0 HOT 0 DRY~WELL . OVER BACK RESERVOIR IIESEIIVOIR STEAM WATER

D\O:SCnIPTION OF WELL ANIl LE,ISE

OPERATORA~r;?ON'AeJU/f..6.AIJ ~,:. 64.c<...oGy A-vO ADDRESS

/>11N't.~l t6ef1IVO'-OGV CAeGNlr) e4fS A..!. J}vR-k /'lVG. 7i/c.SON ~,e.lr<:>AlA857/91"F.U1!:RAI., STAn: '. , : NIIMllf:1\ .11' II IWljtlo' Ion·~,.lIl WELL Nil MIlE II 1"11-:1.11 ,~ IIESEIIVilIRII' Illll Wi I 'iii 8~ A;' -O¥~:;;,lr9t::r. - 'f Mt:R'.IH7lAl1~ Hrb A;2.T~S-/Af')w J>. - 5"0/ .~. 'L>ti!iJ".~T tu"-.. ~~LOCATION

I ICOUNTY

Ni... Z-'r'Do J..vIL JZoO I G/ZA/-IAM

SEC~:7A/}GE;'V;CK;~Ry;J >c!:<:,,/O./ 7: 9S. ) 1(. 26 E...DATE SPUDDED DATE TOTAL DEPTH nEACHED IDATE COMPLETED. IIEAIlY Il':LEVATION @ I ELEVATION Of' CAS I NG

~,o~c-. /18/ '-I /161 TOPRODUCE M (OI~HKO,RT,ORGR) IIlQ~I?1;dla¥'DeC.. ;A S3S FEET 36 FEET

TOTAL DEPTH I' ,U •1'.0. IAI RORI LLEIl (I NTEI\ VA L) IFLUIDDRILLED (I NTERVAL)

Z-oQ ZOO?.!6rP RODUC I NG INTERVAL (S) FOR THIS COMPLETION ROTARY TOOLS USED (INTERVAL) CABLE TOOLS USED ( INTERVAL)

No-v.c::" - f'"" ..AIO/J::.7{'>.L> I"i~ )J61'4 r ~Lo.v h'.!J~ o -GOO /V'/AWAS THIS WELL Dlf!,:CTIONALLY WAS DIRECTIONAL SURVEY MADE? WAS COpy OF DIRECTIONAL DATE F'I LEODRI LLED?

No .No SURVEY FI LEO? ,N/;A /1//.-4TYPE OF ELECTRI CAL, TEMPERATURE, CEMENT BOND OR OTHER LOGS RUN DATE F'I LEO(CHECK LOGS FILED WITH THE COMMISSION)

T~MP~TJ,/t2-€" /\4/Oy I fJez.CASINO RECORD

CASING (REPORT ALL STRI NGS SET IN WELL-CONDUCTOR, SURFACE, I N'j'ERMED I ATE, pROOUCI NO, ETC.)

pURpOSIl: SIZE 1I0LE ORIL1,EO SIZE CASING SET WEI 0 liT (LlI., 'rT.) Il El'TIi sr,:T SACKS CEM,;NT AMT. PU LLED

>V~Ac..e: '1/N. ..-.'1/JJ. /,eo".; ,L3,P.£ /O?~.,.. ;(/.o,vlt£:

7~LoG '/;N. I/N. !h'c. Z:x::>,P$. ) /S5"r~l'-r NOW€"v

TUB I NG RECORD ....v/A LINER RECORD A//ASIZE DEPTH SET PACKER SET AT SIZE l' OP .!1I0TTOM SACKS CEMENT ISCREEN (FT. )

IN. FT, FT. IN. FT. FT.

PERFORATION RECORD ACID, SHOT, FRACTURE, CEMENT SQUEE ZE RECORD

NUl/BER PER FT. SIZE &< TYPE DEPTH INTERVAL AMT. &< KIND OF MATERIAL USED DEPTH INTERVAL

INITIAL PRODUCTION

.I, AN AL YSES OF FLUIDS &< GASES /I//ADATE r,:r~STATIC TEST

SHUT IN WELL HEAD TOT AL MASS FLOW DATA AI/,A SEPARATOR DATA NJ~

TEMP. Of' PRES. PSIG. LUS/HR TEIIP. °F PRES. PSIG.WATER STEAM

PRES.PSfO. TEMP. °FENTHALPY ORIFICE CUFT I HR LBS/IIR

CERTIFICATE: r, THE UNDERSIGNED, UNDER THE PENALTY OF PERJURY, STAn: l' ll.H I All l' HE 6e:.o L.o<.'> I ::;,Z=

o I" THE ..A80MI (COMPANY) • ANlJ 1'11,11' I AM AlITII(lI\! ZED flY SArD COMPANY TO MAKE TillS REPORT;AND THAT THIS REpURT WAS PREPARED UNDER MY SUPERVISION AND DIRECTION AND TflAT TilE FACTS 8T ATED THEREIN AilE TRUE,CORRECT AND COMPLETE TO THE BEST OF MY KNOWLEDGE.

,{~r ilL'/rM/V'j /?8?- / ------ . ~ /. :/.L-1../"'..DATE S 1 (;N,ITtlI\E L// ;)A"..A~S C. M7c/'lil: ....

STATE OF ARIZONAOIL & GAS CONSERVATION COMMISSION

WELL CIl\II'LETION OR RECOMPLETfON REPURT AND WELL LOG

78<-1I" rLE ONE COpy

PERIiIT NO.FlIH\! ~ 11. 1i- I

WELL COMPLETION OR RECCNPLETION REPORT AND WELL LOGGEOTHERMAL RESOURCE WELL

DESIGNATE TYPE OF COMPLETION:

NEW 0 WClRK 0DEF:PEN 0 PLUG El SAME 0 DIFFERENT 0 DRY HOT 0 DRY ~WELL OVER BACK RESERVOIR RESF.RVOlR STEAM 0 WATER

DESC\\lPTlON OF WELL AND LEAS E

OPERATORh',Q.lllo,o.lA 6v4.l">v O,t:. Ge.oC.O~Y ,A..;&> ADDRESS

M~..vb't-A'" /f::c..HtVOLO<OV (,AS b,-A',\ (3 c.;5 ...u. f?~ a..k /1 t/.c- 7vc.sotJ ~l :Cc.vA 8S7) 9FEllERAI" STAB ,:II It'll I~ili'Ulf NI'MIIE& 411' ~1\~J Ill' 101"i'''1I1l WELL NIIMIII':11 VIELU & IIESEIiVOllII'" nit) 1o.'H 1..I\!\.:f1. A -0:10-/- 7.'1 IVoT. I.v'Te.~\) h'r7 .AI2.T-f!$/;'J/)'w.~'Z#: !5: - ::>O/4./?O £kh-\ ....... w,," u..LOCATION

IC(~~HAN1Nt- ZYOO wLISooSEC. TWP-RANGE OR II LOC~& SURVEY j.

5"'-" y~ I 'S.E (1'1 A/li/ I ''I S~C /5. T 9s. ;e 261:;.,DATE SPUDDED DATE TOTAL DEPTH REACHED IDATE COMPLETED. READYl ELEVATION ~ I ELEVATION OF CASING

? OJ=.c.. 198 I 7LJ.!.c.lifel TO PRODUCE ...v/A (DF3 2'?8,OR R' EET1 3t6''7/ FEET

TOTAL DEPTH P .Il.T. D. IAfllllill LLEll ([ NTEII V0\ 1.1 1V1.U IllDR I LLEll ([ NTEIlVAL)

2/"3 ~.r66rP RODUC I NG INTERVAL (S) FOR THIS COMPLETION ROTARY TOOLS USED (INTERVAL) CABLE TOOLS USED ( INTERVAL)

No-v£- Col'.-.vh./::.-rl!:!> "'s: ~T ~t..c"V flex.-e 0- c..} 3- N'/AWAS THIS WELL DIRECTIONALLY WAS DIRECTIONAL SURVEY MADE? IWAS COpy 0[0' DIRECTIONAL DATE F'I LEDDRILLED?

No No SURVEY fILED? ..v/,A -V/,ATYPE Of ELECTRICAL. TEMPERATURE. CEMENT BOND OR OTHER LOGS RUN DATE fI LED

(CHECK LOGS FILED WITH THE COMMISSION) '/bvt'p64ClT(./~ A"1Ay /7'aZ,.CASINU RECORD

C ASI NG (REPORT ALL STRI NGS SET IN WELL-CONDUCTOR. SURfACE. I NTER.MEDI ATF., PRODUCI NG, ETC,)

PURPOSE SIZE HOLE DRILLED SIZE C ASI NG SET WEI GHT (LB .,'FT.) DF.pTII SET SACKS CEMENT AMT. PULLED

$O(2.~Aee CI/AJ. /V 'lIN. /(l.oA/ /lIP€: /Or~r' ll.Io~

7~""119, £.C 6 ~/..v. JJ,..). We Za:> ;;/ 211 r6.e.T NON~,TUB IIlG RECORD AI/A LINER RECORD Al7.A

SIZE DEPTH SET PACKER SET AT SIZE TOP .1- BOTTOM SACKS CEMENT I SCREEN (FT. )

IN. FT. FT. IN. FT. FT.

PERFORAT ION RECORD ;V'/A ArID, SIIOT, FRACTURE. CEMENT SQUEEZE RECORD ..v//9NUMBER PER FT. S Il.E I< TYPE DEPTH INTERVAL AMT. & KIND OF MATERIAL USED llEPTII INTERVAL

I NI TI AL PRODUCTION

DATE ~ STHIC TESTAN ALYSES OF FLU I OS I< GASES ....<//1"-

SHUT IN WELL HEAD TOTAL MASS .LOW DATAN/~ SEPAIIATOR DATA AY/19

TEMP,oF PRES.PSIG. LBS/HR TEMP.oF pRES.PSIG.WATER STEAM PliES. PS I G. TEMP. OFENTHALPY ORIFICE CUFT/HR LBS/HR

CERTIFICATE: I. THE UNDERSIGNED, UNDER THE PENALTY OF PERJURY, STHE T IIAT I AM THE ~<S{$r

OF THE ,AS6I'V\T (COllpANY) , AND THAT I AM AUTHORIZED BY SAID COMPANY TO MAKE THIS REPORT;AND THAT THIS REPORT WAS PREPARED UNDER MY SUPERVISION AND DIRECTION ,\NO TIIAT THE FACTS ST,\TED THEREIN AilE TRUE,

CORRECT AND COMPLETE TO THE BEST 01" Ml KNOWLF.DGE.

/~~ ~//JL_.<_BM6)' /?6z..DATE S I G1HTllRr? 7 ;:T;'Vvo<loJ:, <'. ?</, r~~ "'-

./

STATE OF ARIZONAOIL & GAS CONSERV AnON COMMISSION

"ELL COIIl'LETlON OIl RECOMPLETION REPURT AND WELL LOG

785"fILE ONE ropy

PERMIT NO.F\IH \1 ~ II. ,;- \

;-~ '- -

WELL COMPLETION OR RECOv1PLETION REPORT AND WELL LOGGEOTHERMAL RESOURCE WELL

DESIGNATE TYPE OF COMPLETION:

NEW 0 WnRK 0DEF-PEN 0 PLUG

~SAME 0 01 FfERE NT 0 DRY 0 HOT 0

ORy:gLWELL OVER B AC II. RESERVOIR RESERVOIR STEAM WATER

DESCRIPTION OF WELL AND LEASE

OPERATOR ,..q~r<Oo,J"" I:!/.vIU.AV 01' ~i..OG'j /'1...,.0 ADDRESS

/Y1/~~L.. /~e.HlVo'-Oc;;v ~ 6Iv\";, €liS N. /?-'1a..k.AV~. Tvcso...J hteJ ?OA./r. €!S?/ fJFEDERAL. STAT1': fU #1J I'd' 1.1' /. " NI'Mtjt fill I' 'loll< II' ).1.,1.1,11\ WELL NlIllllEH FIELD & RESERVOIR.41' Fill lilH ~tJ) "23-6 0 5"53 ~ <.",.....0 ~ hi;;/0 ",q {2.T~50/ADwR..# 55- 501 c,i? ··(.;Cu..... />T ..AtLJ \

LOCATION,

ICOI~~}JA~'SL /0C> e.L /600SEC. TWP-RANGE OR BLOCK I< SURVEY

$", ,£.~~ f/'/ ~s- V~ 'S£ V"" :>~c:. 3 I 7: .9 Zbe.o ATE SPUDDED

.,DATE TOTAL DEPTH REACIIEOjDATE CO\lpLE'l'EO. IIEADY!ELEVATION @ I ELEVATION OF CASINO

1506~. I~I 1310 1181 TO !'HOOUCE M,A (D~~'l; I\T,OR .J 1 11111 PL.tlllllo!fEET, 6C. 5" FRET ?~y~

TOTAL DEPTH P.B .T. O. IAI RD IU LLEU (INTEI\VAL) 1FLUI DURI LLED (I NTERVAI,)

/60 ZOor~el

PRODUCING I NTERV AI. (S) FOR THIS COMPLETION ROTARY TOOLS USED (INTERVAL) CABLE TOOLS USED ( INTERVAL)

Norv'e"- CO.-..fPu:"'1W As IJ~T rUlw)loc..£ 0-/60 AI/AWAS THIS WELL DIRECTIONALLY WAS DIRECTIONAL SURVEY MADE? IWAS COPY OF DIRECTIONAL DATE ~EDDRILLED? ,va No SURVEY fILED 'I ...u/A ~A

TYPE OF ELECTRICAL, TEliPERATURE. CEllENT BOND OR OTHER LOGS RUN DATE FILED

(CHECK LOGS FILED wITH THE COMliISSION) 7~~<=~TV;2.£ MAV /7'87-CASINO RECORD

CASING (REPORT ALL STRI NOS SET IN WELL-CONDUCTOR, SURfACE, I NTER.IlED I ATE, pRODtlCI NO, ETC.)

pURPOSE SIZE HOLE DRILLED SIZE C ,lSI Nil SET WEIOIlT (LIl • .'FT. ) D EI'TII SET SACKS CEMENT AMT. PULLED

~v/l//* e.lZ' '!/",J. "",4ft"'. /~.v/3I'€ /Or~61 ,Mo......e:-;1'"~.t' •Lac;. .tI1#. IltJ. Iwr'. 20of5.J 150~1 A./o.v"t=:

I

TUB I NO RECORD AI/A LINER RECORD ...vIASIZE DEPTH SET PACKER SET AT SIZE TOP ,I BOTTOM SACKS CEMENT ISCREEN (FT. )

r N • FT. FT. IN, fT. FT.

PERFORATION RECORD "v/.A AriD, SIIOT, FRACTURE, CE,IlENT SQU2E ZE RECORD #/ANUIiBER PER F1'. 8IZE.l:'l'YPE DEPTH INTERVAL AlIT. & KIND OF' MATERIAL USED DEPTH INTERVAL

INITIAL PRODUCTION

DATE ~STATIr TESTANALYSES OF FLUIDS & GASES #/A

TOTAL MASS FLOW DATA AJ;'~ SEPAIUTOR DATA N/19SHUT IN WELL HEAD

TEMP. OF PRES. PS I G. LBS/HR TEIdP. OF PRES,PSIO.WATER STEAM PRES.PSIG. TEMP. OFF. NTH ALPY n R I !"I CE CUF'T I HR LBS/HR

CERTIfICATE: I, THE UNDERSIGNED, UNDER THE PENALTY OF PERJURY, STATF. T HAT I AM THE G6::>u:::> CSI ">T

OF 'l'IlE .A86N\,/ (COlipANY) , AND THAT I AM AliT 1101\ I ZED I\Y SAID COMPANY TO MAKE THIS REPOI\T;

AND THAT THIS RE!'OI\T WAS PREPARED UNDERIlY SUPERVISION .AND DIRI-:CTION AND TI\,\1' THE FACTS STATED THEREIN ,\RE TRUE,

CORRECT AND COMPLETE TO THE BEST OF IIY KNOWLEDGE.

/K.~ ~ .//--';/A~/~~>I /98'7.-DATE S I ,; N.AT {I 1\ I'C. ./.::>.Af'o"I..t!>. <", ~. tN( Te.N~/l-

STATE OF ARIZONAOIL & GAS CONSERVATION COMMISSION

WELL rOYPLF.TION OR I\ECOIIPLETION REPORT AND WELL LO 0

779 fILE ONE COpy

PER.MIT NO. FII 1\ II Nil, ,;- I

Appendix 3

Mercury Soil Data

-46-

T8S

T9S

o t Mil.L..' -JI

€I /00"V

901902.-••

"fIB , C/O?

.""1 • ; "'/0'"/

19t- 89'1

24 20 ~..O· 21 220 23"-0 a~1"'"~ €l~z. EW7

<II .(fl8 1'195"?Ito • , .92.-9 • ~~'117 'f1J

'W'· ct'JO.~}a,'f

24 "07 • 30 29 28

• '906 ""~27 26

'tJ'f q-zS • <tZ-7•,z,(, ~1.8 B'1/

!~~1-·6"i~

666 'f~~ 8'1{J,,,,,·869

36 31 32 • 33.98$ 34• 8e6 35

'fo9 ..,z.~ . 861~{,>

• flO qz'/ • seeS 8'{ • .a.r.6 f§~ aLO ~n.

5 "',' . 8(,"" ~61 ". 670 871• 8t-} • •qz./ • •1'ZO

~8~1e-z..'f 87~

'1 Z?- 5 ez:L 8'Z5 13'1'1I 6 4 • 6'Z-b Be'• 81' 3 2

8zP 9-,.7tee>

ez.6

,t} ~-- . ----

al sz..'8!7/ 851 • S~O[B56 esz. • ,s•

12 7 8 1(, 9 10~_11 •

II

81"3-

BS;~ .~~~fd/¥

'e,z....... 'i:fs- .6'7

811 '1!1' 7 -----(ljl Z. •

e~? 61/7 • • g1~13 18 85" 8'1~ 17 9"15 \r 8,/0

• • 6lfk 8/0 14

8'11 • • 97/·So7 9~5 ~~e

€loe- B'!" • 6~(

60S'"·So(;, .8'13

2<4 19 20 21 8'1'7 22 23

• e~eo

--- _.- ..--R25E R26E

.._- -----------• 0

TBT9

e<f7-e'i8 • Sample location

L /..,AST rl7l4e.'i: 01617$ Or S,AM;P<e" #£IIV\I.3e:.1'L

tnI

'17

TUCSON OFFICE

2561 EAST FORT LOWELL ROAD, TUCSON, ARIZONA 85716 . PHONE: (602) 795·9780

4Page 1 of ..

RMGC NU'l1bers:

Foreign Job No.: .

80-56-16TLocal Job No.: .

Date:

Client:

Client Orcler No.:

Report On:

Submitted by:

Date Received:

Analysis:

Analytical Methods:

Remarks:

cc:

January 20, 1981

Bureau of Geology &Mineral TechrnologyGeothermal Group2045 N. Forbes Blvd.Suite 106Tucson, Arizona 85705

136 samples

J. C. \.Jitcher

December 8, 1980

Hg

Determined by Atomic Absorption.

Enc: 1R.MX/SLCfile

SJA/lr

-48-

Invoice No.:... T10163

All vol"e, ore reported in pori' per million unless 'pecified olherwi'e. A minu, 'ign (-) i. 10 be read "leu than" and a plus sign (+) "greaterlhan." Yolues in parenlhesis are estimates. This analylical report is the confidenliol property of the above mentioned client and for the protectionof this client and ourselves we reserve Ihe right to forbid publication or reproduction of this report or any part thereof without written permiuion.

NO =-= None Detected 1 ppm.~· 0,0001 ~:, 1 Troy oI./lon = 34.286 ppm ppm = 0.0292 Troy oI./lon

SALT LAKE CITY, UTAH RENO, NEVADA TUCSON, ARIZONA

Client Bureau of Gcology Date Janu;:Jt)'_ 2~_~0ql UvlGC Job No. 80-56-16T---

Page 3 401 _____

Sample Hg Sample HgNumber ~ Loc.r-Tli:),..) Number EE£ '-0 c ...rlo~

",,---"--'. - - _•.._---417851 285 417876 190 o-?- ~(,,-18AA

52 475 77 285 p~ 'f- "co - I,A",..::)

53 285 78 190 D -9- u,- /Af'lA

54 380 79 380 P_9~"Z-'-/'Z.d"'D

55 285 417880 380 D-" -U-l'l.. PRO

56 285 81 285 D-?-<.-Co-I DOD

57 380 82 190 [)-1- 'Z..-b-' OI)D

58 280 83 -190

59 280 84 285

417860 380 85 190

61 95 86 190

62 190 87 190

63 190 88 190

64 190 89 285

65 190 417890 190

66 190 91 190

67 190 92 190

68 95 93 285

69 285 94 285

417870 285 95 190

71 285 96 95

72 190 97 190

73 190 98 95

74 190 99 760

417875 190 .D-r-'Z.(;,-! 8M 417900 190

Client 13urcnu Or ecology Date J~lnu;lry__~Q ' 1981 80-56-16T. _~ ___ RMGC Job No.

Page 4 4of__

Sample Hg Sample HgNlHIlber ~ L-D CL""\ I I.l~ Number P.E£- -

417901 285 417926 95

02 190 27 190

03 190 28 190

04 190 29 190

05 285 0- 8-Z5-U.I3~ 417930 190

06 190 D - 8 - -zS - -z.k.6<::'c.... 31 95

07 285 32 95

08 190 33 190

09 190 34 95

417910 190 35 95

11 285 417936 190

12 190

13 285

14 285

15 190

16 190

17 95

18 190

19 285

417920 190

21 95

23 95 By

24 95

417925 95

C 1