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Sft Raply *afar A t f t M M Beeper **> 1908
OT XO Oil & Gae Coapany Attention* Kr. E. S. Breda root Orfioe Box 61780 Nav Orleans, Loulaiana 70161
Gentlevant
Reference ia nade to your Initial Development Oparationa Coordination Document (OOCD) received Deceober 15, 1988, attended Decenber 21, 1988, for Lease 0C3-G 6037« Blook 604, Matagorda laland Area. Tola DOCD Includes tha activities propoaed for Platfona A, Veils A-1 turough A-3, Valla aad Calaaona Won. 1 through 8 and Valla and Calaaona £ through I .
In accordance vith 30 CFit 230.34(f), thit DOCD is hereby deaaed submitted and is TWV being considered for approval*
Tour control nuaber is H-3186 and ahould be rei&reooed ln your ooaasjal-aatla; aad correspondence concerning this DOCD.
Sincerely youra,
(Orfg. Sgd.) wiTTfam H. Martin for
D. J , Bourgeois Regional Supervisor Field Operations
boos Lease OCS-G 6037 (OPS-3-2) (FILE ROOM) [ OPS-3-4 w/Public i n f o . Copy of the DOCD (PUBLIC RECORDS)
ADGobert:cck:12/27/88:docdcom
Office Hf Program Se.*c«s
DEC 3 01988
Irrfomation Services Section
ODECO OIL & GAS COM)ANY
DEVELOPMENT OPERATIONS COORDINATION DOCUMENT MATAGORDA ISLAND BLOCK 604L
CCS-G-6037
Q - Jk / \ . J SUBMITTED BY:
E. S. Breda Oil & Gas Supervisor
DATE: DEC »5 SW.
INDEX
PAGE
I . INTRODUCTION 2
I I . GENERAL PLAN 2,3
I I I . SHALLOW HAZARDS SURVEY 4
I V . WELLS TO BE DRILLED 4 , 5
V . BSTIMAr"D PRODUCTION RATES - DEPLETION 5 , 6 , 7
V I . PRODUCTION PLATFORM INSTALLATION 8
V I I . PROTECTIVE JACKETS AND FLOWLINE LAYING 8 ,9
V I I I . PLATFORM SETTING, PIPELINE LAYING, AND WELL OMPLETION DATES 9,10
I X . PRODUCTION COMMENCEMENT DATE 10
X . O I L SPILL CONTINGENCY PLAN 10,11
X I . O I L SPILL TRAJECTORY SIMUI.ATION 11,12,13
X I I . EQUIPMENT LOCATION AND RESPONSE TIME 13,14
X I I I . NEW Oi JNUSUAI TECHNOLOGY 14
X I V . DISCHARGE OF POLLUTANTS 14,15
XV. HYDROGEN SULFIDE CONTINGENCY PLAN 15
X V I . TRANSPORTATION ROUTES 15,16
X V I I . FUEL CONSUMPTION 16
X V I I I . SAFETY STANDARD AND PROGRAMS 17
X I X . BASE OF OPERATION i 7
X X . GASEOUS EMISSION DATA 18,19,20
X X I . ATTACHMENTS 2 0
ODECO OIL 6 GAS COMPANY DEVELOPMENT OPERATIONS COORDINATION DOCUMENT
MATAGORDA ISLAND BLOCK 604-L OCS-G-6037
INTRODUCTION
Six wells have been d r i l l e d under Plans of Exploration and one i s now i n the process of being d r i l l e d . These wells are as follows:
OCS-G-6037 #1 - Temporarily abandoned OCS-G-6037 #2 - Temporarily abandoned OCS-G-6037 #3 - Temporarily abandoned OCS-G-6037 #4 - Single Completion jas well OCS-G-6037 #5 - Dual Completion gas well OCS-G-6037 #6 - Single Completion gas well OCS-G-6037 #7 - In process of being d r i l l e d
Four additonal wells are approved under Plans of Exploration but not yet d r i l l e d . They are OCS-G-6037 Well #8, and locations E, F, and G.
GENERAL PLAN
A. I n s t a l l a production platform (to be designated as A platform) complete with production package in the S/F. portion of Block 604-L at location 4600'FSL and 6400' FWL.
The foundation of the structure, which w i l l contain six caisson type jackets, (for six well slots) w i l l be layed f i r s t . Three additional wells (namely wells A-l, A-2, fi A-3) w i l l be d r i l l e d from these slots with a mobil d r i l l i n g r i g prior to i n s t a l l i n g the per portion of the platform. (See Section IV for well details)
B. Finish d r i l l i n g well #7 and complete as a dual gas well. Set caisson type jacket over well and run flowUne to A platform production f a c i l i t y .
C. Drill one of the four wells submitted in Supplemental POE (well #8) and complete as a single gas well. Drive caisson type jacket over well and tie i t to the A platform production f a c i l i t y by flowline. (See Section VII for details)
D. Set caisson type jacket over a l l Jther completed wells (#4, 5, and 6) and t i e each well to the A platform production f a c i l i t y by means of flowlines. (See Section V I I for details)
E. Extend the three platform wel^s (Al, A2, 6 A3) to the surface of the platform and hookup to production f a c i l i t i e s .
F. D r i l l two additional locations heretofore unsubmitted i n P.P.E. and complete each as single completion gas wells. Drive caisscn type jackets over the wells and t i e each to the A platform by means of flowlines. (See Section V I I for details) The two locations w i l l be designated as locations H and I . Numerical designation w i l l be assigned at time permits to d r i l l are submitted. (See Section IV for details)
G. In year 1993, run completion strings in temporarily abandoned wells #1, #2, and #3. Complete wells #1 and #3 as dual gas wells and well #1 as a singl» gas well. Set caisson type jackets over each well and t i e each well to the A platform production f a c i l i t y by means of flowlines. (See section VII for details.)
H. D r i l l the remaining three wells submitted i n P.O.E. (namely locations E, F, & G. Numerical designations w i l l be assigned as permits to d r i l l are f i l e d ) . Complete each well as a single completion gas well and t i e them to the A platform production f a c i l i t y by means of flowlines. (See Section V I I for details)
I . Texas Pipeline Company w i l l lay a 16" well gas pipeline from a point in Matagorda Island Block 588 to our A platform production f a c i l i t y i n Block 604-L. From Matagorda Island Block 588 a 20" pipeline i s being layed to Magnolia Beach, j o i n t l y by United Texa? Transmission and Texas Eastern. Separation f a c i l i t i e s exists at Magnolia Beach. This new pipeline system w i l l be called the Texas-Matagorda Island Gathering System.
J. Separate liquids from gas at ODECO's A platform. Meter gas and condensate. After metering, the gas and condensate w i l l be recombined and routed to Texas shore separation f a c i l i t y at Magnolia Beach via the Texas-Matagorda Island Gathering System. After re-separation of gas and condensate, condensate w i l l be stored i n the terminal storage tanks at Magnolia Beach >arged to market from that point. Gas w i l l be routed to marke »ie Texas pipeline system.
3
XXI. SHALLOW HAZARDS SURVEY
Shallow hazarda and archeological surveys were conducted by Oceanics, Inc. in October, 1983. None cf these wells or activities are located in geologically sensitive areas.
IV. WELLS TO BE DRILLED (PREVIOUSLY UNSUBMITTED IN P.O.E.)
A. OCS-G-6037 Well #A-1
Surface Location: 4600' PSL and 6400' FW1 of Block 604-L B.H. Location: 70251 PSL and 7715,_J3fL of Block 604-L
Water Depth: 88' Estimated Commencement Date: 3-1-89 Complete: 3-30-89 Drilling Rig: Ocean Chief
B. OCS-G-6037 Well *A-2
Surface Location: 4600' PSL and 6400* FWL of Block 604-L B.H. Location: 3000* FSL and 6400* FWL of Block 604-L
Water Depth: 881
Estimated Commencement Date: 4-1-89 Complete: 4-30-89 Drilling Rig: Ocean Chief
C. OCS-G-6037 Well A-3
Surface Location: 4600' PSL and 6400' FWL of Block 604-L B. H. Location: Straight hole
Water Depth: 88* Estimated Commencement Date: 7-1-89 Complete: 7-30-89 D r i l l i n g Rig: Ocean Chief
D. OCS-G-6037 Location H
Surface Location: 2400* FSL and 20001 FWL of 13ock 604-L B.H. Location: Straight hole
Water Depth: 88' Estimated Commencement Date: 5-1-88 Complete: 5-30-89 Dri l l ing Rig: Ocean Chief
4
E. OCS-G-6037 Location I
Surface Location: 2400' FSL and 5300' FWL of Block 604-L
7 ~ " C Water Depth: 88' Estimated Commencement Date: <• 1-89 Complete: 6-30-e9 D r i l l i n g Rig: Ocean Chief
V - ESTIMATED PRODUCTION RATES - DEPLETION SCHEDULE
VI. PRODUCTION PLATFORM INSTALLATION
Plans are to i n s t a l l a 4 legged platform at coordinates:
46001FSL and 6400' FWL of Block 604-L.
This platform w i l l be designated as the A platform production f a c i l i t y (see enclosed drawing). The lower portion of the platform containing six well jackets w i l l be set f i r s t . Three wells w i l l be d r i l l e d from 3 of the jackets. After completing these three wells, the upper portion of the platform w i l l be set. The three wells w i l l be d r i l l e d by a mobil d r i l l i n g u n i t .
Quarters on the platform w i l l be s u f f i c i e n t to house 8 people, however, 3 people w i l l be routinely stationed at the f a c i l i t y on each work s h i f t .
A t y p i c a l production package w i l l be i n s t a l l e d on the platform and w i l l f a c i l i t a t e separation of liquids and gas. After metering the gas and condensate, the combined volume w i l l be transported to the Texas' Magnolia Beach Separation station via Texas Pipeline Company's gas li n e that w i l l be constructed to Block 604-L. Plans are to place the lower portion of platform on location on February 25, 1989. The upper portion w i l l be installed on August 15, 1989.
No additional personnel w i l l be added onshore or offshore as a result of th i s added f a c i l i t y . The six people needed to man the f a c i l i t y (two shifts) w i l l be transferred from other areas, thus reducing the work force i n those areas. Mobil D r i l l barge to be used - Ocean Chief.
V I I . PROTECTIVE JACKETS AND FLOWLINE LAYING DATA
A. Coordinates of Various Structures
4600' FSL & 6400' FWL 1. A Platform (Wells A--1, A-2, & A-3) : 2. Well No. 1: 5,763' FSL 5,672' FEL 3. Well No. 2: 3,278* FSL s. 4,921' FEL 4. Well No. 3: 8,215' FSL St 3,512' FEL 5. Well No. 4: 7,092' FSL s, 3,738' FWL 6. Well No. 5: 6,911' FNL St 4,766' FWL 7. Well Nc. 6: 5,905' FNL St 8,336' FWL
8. Well No. 7: 2,350' FSL s, 3,900' FWL 9. Well No. 8: 4,000' FNL s, 7,800' FWL
10. Location E: 3,200' FNL Sr 8,500' FWL
11. Location F: 8,400' FNL & 7,350' FWL 12. Location G: 6,000' FSL & 1,500' FWL
13. Location H: 2,400' FSL & 2,000' FWL
14. Location I : 2,400' FSL & 5,300* FWL
8
**6*3w*<-i3 fc; ' ̂ ^ ^ ^ ^ ^ ^mmwmmmmm^^
B. Type Jackets - A 4* caisson type jacket w i l l be set over each i n d i v i d u a l w e l l s t r u c t u r e - see attachment G f o r schematic o f t y p i c a l type s t r u c t u r e .
C. Flowline and pi p e l i n e l a y i n g d e t a i l
1. Connect wells 4 and 5 to the A p i a t f o n n by l a y i n g a 41*" f l o w l i n e from w e l l #5 t o w e l l #4 a distance o f 2,250'. Lay a 4 V f l o w l i n e from w e l l #4 t o the A platform, a distance of 3,900*.
2. Connect well #6 and w e l l (loc . t i o n ) F t o the A pl a t f o r m by laying a 4h" f l o w l i n e from w e l l #6 to the F l o c a t i o n , a distance of 3,600*. Lay a 4h" f l o w l i n e from legation F t o tne A p l a t f o r m , a distance o f 2,450*.
3. Connect wells #7 and w e l l ( l o c a t i o n H) to the A p l a t f o r m by laying a 4 V f l o w l i n e from l o c a t i o n H t o w e l l #7, a distance o f 2,000*. Lay a 4laM f l o w l i n e from w e l l #7 to the A p l a t f o r m , a distance of 3,500*.
4. Connect well #8 and w e l l ( l o c a t i o n E) t o the A pl a t f o r m by laying a a 4V* fl o w l i n e from l o c a t i o n E to w e l l #8, a distance of 1,750'. Lay a 4V* fl o w l i n e from w e l l #8 t o the A p l a t f o r m , a distance o f 7,250'.
5. Connect well ( l o c a t i o n G) to the A p l a t f o r m by l a y i n g a 4 V f l o w l i n e , a distance of 4,500'.
6. Connect w e l l ( l o c a t i o n I ) to the A p l a t f o r m by l a y i n t j * 4 V f l o w l i n e , a distance of 2,750'.
7. Connect wells 1 and 3 to the A p l a t f o r m by l a y i n g a Ah" f l o w l i n e from w e l l #3 t o w e l l f l , a distance o f 2,350'. Lay a 4 V f l o w l i n e from w e l l #1 to the A platform, a distance o f 4,000.
8. Connect w e l l #2 t o the A platform by l a y i n g a 4h" f l o w l i n e , a distance o f 4,750'.
Note: A 16" p i p e l i n e w i l l be layed by Texas P i p e l i n e Co. t o the A platform from Matagorda I s l a n d Block 558.
V I I I . PLATFORM SETTING,PIPELINE LAYING AND WELLS COMPLETION DATES
A. Lower p o r t i o n of A pl a t f o r m s e t t i n g t o commence on 2-25-89 and complete 2-28-89.
9
B. Upper p o r t i o n o f A p l a t f o r m s e t t i n g t o commence on 8/1/89, complete 8/5/89. (Note: D r i l l i n g of w e l l s A - l and A-2 t o conence 3-1-89, complete 4-30-89. D r i l l i n g o f A-3 t o commence 7-1-89, complete 7-30-89. See Section IV, A, B, and f \ )
C. Pipelaying operations t o hookup w e l l s 4, 5, 6, 7, 8, lo c a t i o n s H and I t o conmence 7-1-89 and complete by 8-15-89.
D. Tie w e l l s A - l , A-2, A-3 t o surface production f a c i l i t i e s t o commence on 8-15-89 and complete by 8-25-89.
E Commence t i e i n g j n w e l l ( l o c a t i o n E) t o w e l l #8 on 9-1-89, complete 9-5-89.
F. Commence t i e i n g w e l l ( l o c a t i o n F) t o the w e l l #6 f l o w l i n e on 10-1-89, and complete on 10-1-89.
G. Commence t i e i n g w e l l ( l o c a t i o n G) t o A pl a t f o r m on 11-1-89 and complete 11-10-89.
Note: Texas' 16" p i p e l i n e t o be t i e d t o the A p l a t f o r m before between 8-15-89 and 9-1-89.
H. Commence t i e i n g i n w e l l s #1, #2, and #3 on 8-1-93 and complete 8-15-93.
IX. PRODUCTION COMMENCEMENT DATES
A. Wells A - l , A-2, A-3, 4, 5, 6, 7, 8, wel l s H and I on 9-1-89.
B. Well E on 9-6-89.
C. Well F on 10-2-89.
D. Well G on 11-11-89.
E. Wells #1, 2, and 3 on 8-16-93.
X. OIL SPILL CONTINGENCY PLAN
ODECO O i l & Gas Company f u l f i l l s i t s o i l s p i l l contingency plan by being a member of Clean Gulf Associates, P.O. Box 51239, New Orleans, Louisiana 70151, an agency which handles clean up operations i n the event o f an o i l s p i l l . Fast Response Service can be obtained by c a l l i n g H a l l i b u r t o n Services i n Morgan C i t y , Louisiana (504) 384-9930. Mr Cairo Loviere i s i n charge o f admini s t e r i n g the equipment f o r Clean Gulf Associates.
* Description of clean up equipinent a v a i l a b l e i n various legations
1. Fast Response System Model I consists o f :
a. Primary and a u x i l l i a r y s k i d w i t h 180 b b l . tank on each s k i d
b. One "Don Wilson** skimmer c. One basket and one l o t of Bennet o i l boom section d. Fire extinguisher ski d .
2. Fast Response Model I I consists o f :
a. Section o f f l o a t i n g o i l boom b. Skimmer c. Outrigger d. Pump e. Two skid mounted storage tanks of 180 bbls. each
3. Fast Response Model I I I - High volume open sea skimmer system (HOSS Barge).
4. Shallow water skimmer system.
5. A u x i l l i a r y shallow water skimmer and booms.
6. Helicopter spray system (HUSS U n i t s ) .
7. Waterfowl r e h a b i l i t a t i o n u n i t s .
8. B i r d scarers.
9. Miscellaneous m a t e r i a l .
10. Radio systems.
B. Estimated deployment time - see " o i l s p i l l t r a j e c t o r y simulation section".
X I . OIL SPILL TRAJECTORY SIMULATION
Taken from F i n a l Environmental Impact Statement Gulf o f Mexico Sales 118 and 122, Central and Western Planning Areas. The below l i s t e d are percent chance that an o i l s p i l l s t a r t i n g i n any areas w i t h i n Matagorda Island 604-L w i l l contact c e r t a i n land segments w i t h i n 3, 10, or 30 days. P o t e n t i a l launch s i t e s are i d e n t i f i e d i n Figure IV-2 i f F i n a l EIS are w i t h i n the Western Planning area of W4.
11
i ••- • faul
Farce *• chance of s p i l l reaching land - hypothetical s p i l l l o c a t o i n W4. T.%kev -m t a b l e IV-7.
Land Percent Segment Chance I.D. Counties
1% 3 Kennedy, TX. 3% 4 Kleberg. TX. 5% i " Nueces, TX. 15%
*• Aransas, TX.
52t 7 Calhoun, TX. 11% 8 Matagorda, TX
B. P r o b a b i l i t i e s 'oxpresseJ as percent chance) tn;jt one or more s p i l l s and number of prob'.' l e sp i 1.15 occur inq '̂ nd contacting Western Gulf archeoloq i c a l s' tes >'V' A 10 :\.: ;s o f a s p i l l . NONE. Taker, from table IV-8.
C. P r o b a b i l i t i e r ,expressed as percent chance) t h a t one or mom s y i l l s and number of probaHe s p i l l s occuring an^ conte-ctinq Western G i i f archeolog i c a l s i t e s w i t h i n 10 days o f a ^ p i i l over Lhe expected production l i f e o f the iease. Taken from t a b l e IV-9.
Archeologi a i Sites
C -DUR C h r i s t i Brown pelican
Perec" t Chance
M H Scenario Scenario
Percent _Ch __
H " U Scenario Scenario
i Jest/Fa rage 1 2 0. 0 0 .0 W?slern Sea T u r t l e Messing 0 1 0. 0 0 .0 Western Sea T u r t l e Faraging 1 ? 0. 0 0 .0 North Padre Coustai B a r r i e r 0 0. 0 0 .0 Mustang Island coastal Berries 0 1 0. 0 0 .0 St. Joseph Tslano Coastal
B a r r i e r 0 i 0. 0 0 .0 Matagorda I s l a n d Coastal
B a r r i e r 0 1 0. r <J
0 .0 Matagorda Peninsula Coaistal
B a r r i e r 0 i 0 0 0 .0 Brazor Headlands Coastal
B a r r i e r 0 1 0. 0 0 .0 Galveston I s l . / B o l i v e r Peninsula
Coastal B a r r i e r 1 2 0. 0 0 .0 Laguna Madre Seagrass Beds 0 1 0. 0 0 .0 orpus C h r i s t i Bay Seagrass Beds 0 1 0. 0 1 .0
E s p i r i t i Santo/Matagorda Seagrass Beds 1 J. 0. 0 0 .0
12
Galveston Seagrass Bays 1 > 0.0 0.0 E s p i r i t i Santo/Katagerda Bays 1 L GO 0.0 Galveston Bay 1 2 0.0 0.0 Texas Coastal MarshPs-Cenvral 1 2 0.0 0.0 Texas Coastal Marshej -Tast er •» 1 3 0.0 0.0 Padre I s l . Nat. Seajhore/Mustang
Rec. Beac.es 1 1 0.0 0.0 Matagorda Isl<?:.J Rec. Beaches 0 1 0.0 0.0 Matagorda Cou )ty P-.c. Beaches r 1 0.0 0.0 j r a z a r i a Ccjr y Rec. Beaches 0 1 0.0 0.0 Galveston I s l . /B*"*liver Penn
Rec. heac * 5 1 2 0.0 °.o Texas Rec. Beac.i^s ?. 6 0.0 -.1
t'l'JIPMENT LOCATION AND RESPONSE TIME
A. Location:
1. Port Aransas and Fulton, Texas:
a. Fast Response Model I (item .1)
b. Items 5, 6 f 8, and 9 c. Dispersants d. Sorbent > e. Drums, Co l l e c t a n t s
2. Galveston - Texas C i t y , Texas:
a. Fas*- Response Model I (item .1) b. Items 5, 6, 8, and 9 c. Dispersants d. Sorbents e. Drums, C o l l e c t a n t s
3. I n t e r c o a s t a l C i t y :
a. Fast Response Model I (item .1) b. Fast Response Model I I (item .2) c. Items 4, 6, 8, and 9
13
m • • . *~w?m < m m m ^ m m m • mm • - .m ^ m ^ ^ ^ ^ m#<$& "a
4. Cane von, LA.
a. Fast RBsporoe Model I I (item .2) b. Fast Response Mode i III (item ..\) c. Fire extinguisher , storage bora-,
B. Response time - i t takes approximately one hour to load Fast Response Modal I ori to vessel and approximately one and one half hours to load Model I I , and approximately 6 hours t o lc id Model I I I .
V3 3sela are to be provided by CD^O. Wo kboats under contract co work iw Block 604 K i l l be used. Response t i m 'CO reach Port Aransas or Pulton, TX w i l l depend on location of ve ssel < ine of .-.pfll. Addit i o n a l vessels w i l l also be leased cut oi Port Ara: sas. r'c takes 5 hours travel time from port Araue 3 ox. Fulton to j each a s p i l l in Matagorda Island Rlock 60<-'.
I f equipment were to he utvilized from Galveston, fexas or Camerc V\ 9
vessels would be leased i n those are»s. Travel tinna from Galve^t^ to the Matagorda Island area wooId be 12 to 15 hours, appending on weather or sea conditions. n*ravel t i i m from Cameron, LA to Mitagorda Bloc v. 6G4 area i s 16 to 18 hours. I f additional equipment were to bc- needed i'rom Grand I s l e , i t wou Ld take 26 to 40 hours to reach Mat:»gorda Block 604.
X I I I . NFW QR UNUSUAL TECHNOLOGY
No new or unusual technology w i l l be employed while d r i l l i n g these VM Vis nor while hooking up production f a c i l i t i e s .
XIV. IT SCI'ARGE OF IV i, OUTANTS
Th*» proposed w e i l j w i l l be d r i l l e d using a water based non-cUsporatd unweighted lud \stem to approximately 6500' on each well and a wate- based dispersed low-weight mud to t o t a l depths.
D r i l l e d cuttings with a retail annuut of d r i l l i n g f l u i d adherein to ue shale and sand pa* t i d e s w i l l be discharged at the well sites during d r i l l i n g operations. The rnaxi, w discharge rate per well w i i l be while d r i l l i n g fvca tne mud l i n e t o ?«.r£ace '. ,\sLng depth (approximately 2000•> and i s not expected to exceed 400 bbls,'day f c r one day. Discharge r?.res of cuttings f<>r the remainder of each weli jhoul.d average less than 100 bbls/ day. Total discharge of cu t t i n g for t.*io f i v e nuw wol?s i s estimated to be 8,400 bbls.
! i
14
Mud discharges at the well sites ar« not expected to exceed ioo bbls/day and w i l l censist mostly of wate*, g*«l? caustic with very small quantities of thinner. Upon reaching t o t a l depth, of aech well, approximately 800 bbls of mud w i l l be discharged at rates of i»:ss than 200 bbls/hr. No o i l v i l l I *» added to the mud or discharged at any t i n e . In the event i t heron L-S necessary to add o i l to thc d r i l l i n g mud or "spot** a o i l base l u r r i c a t e around a stuck d r i l l s t r i n g , 1 mud and cuttings w i l l b. transported to shore for proper disposa!.. A l l mud discharged w i l l be tested for t o x i c i t y as required by EPA's NPDES discharge permit. Total discharge i f d r i l l i n g f l u i d s for the f i v e new wells i s estimated to be 20,000 bbls.
Sanitary waste is treated by a waste treatment f a c i l i t y an5 discharged overboard in compliance with the EPA's NPDES discharge perrr.it. Treated waste discharged normally averages 25 gallons per day per man on the f a c i l i t y . Rigs used i n t h i s ar»»a can normally be expected to discharge 750 t o 1000 gallons per day depending on the numbar of personnel on the r i y .
A l l metal, steel, cables, etc. are stored on the r i g u n t i l s u f f i c i e n t quanity accumulates. This material i s then transported to our shore base for recycling. Paper, bags, plastics, etc. are compacted i n .1 container by an onboard compactor then transported to sliore for disposal.
A l l vessels used in our oeprations. are equipped with Marine Sanitation Devices or holding tanks in compliance with r?0T regulations.
XV. HYDROGEN SULFIDE CONTINGENCY PLAN
These wells w i l l bo d r i l l e d in areas which are known to be free of hydrogen su l f i d e . In the unlikely event hydrogen sulfide would be encountered, a l l operations would ceas'i vjncil the r i g could be eauipped and the personnel trained f o r operations in a hydrogen sulfide environment.
'-T I . TRANSPORTATION ROUTES (WATER AND AIR)
most direct routes from the Matagorda Island Block 604-1- operations are to Port o*Conner shore bases for supplies and personnel w i l l be used. See outline of routes depicted on plat showing pipeline to shore separation point - attachment F.
In conducting transportation operations through Aransas or Cavello Passes, ODECO w i l l avoid disturbance of Sundown Island i n Matagorda Bay, Second Chain of Islands i n San Antonio Bay, Long Reef i n Aransas County, and Pelican Island in Nueces County, Texas which are used for nesting by the endangered brown pelican.
ODECO w i l l also prohibit the use of fixed-winged a i r c r a f t at altitudes less than 500 feet and helicopters at altitudes less than 1,000 feet during the period from October 15 to A p r i l 15 over c r i t i c a l habitat areas used by endangered whooping cranes. These habitat areas are located i n and adjacent to the Aransas National Wildlife- Refuge including Blackjack Peninsula, San Antonio Bay, Mosquito Point, that portion of Matagorda Island between Pringle Lake and Cedar Bayou, and ths north portion of San Jose Island, Texas.
XVII. FUEL CONSUMPTION
A. D r i l l i n g Operations
Tbe d r i l l i n g r i g uses an average of 50 bbls. of diesel f u e l per day during d r i l l i n g operations. Fach supply boat uses approximately 25 bbls. (42 g&l./bbls.) of diesel per day. Two boats service each d r i l l i n g r i g daily.
Approx. Rig Days Bbls./day Consumption
Total Fuel Consumption
Boats Rig
150 x 50
150 x 50
7,500 bbls. 7,500 bbls
B. Production Operations
1. Two production boats w i l l routinely service f a c i l i t i e s i n Matagorda Block 604-L. Each boat consumes approximately 30 bbls. diesel per day.
Operating Days per Year 365 i l boats x 30 bbls.) x 60
Consumption for Year 2,900 bbls.
2. >M consumption on A platform 275 MCF/D.
Operating Days per Day 365 x 275
Gas Consumption per Year 100,375 MCF
X V I I I . SAFETY STANDARDS AHD PROGRAMS
A. D r i l l i n g Operations
ODECO believes the safety of i t s employees i s d i r e c t l y proportional to each employee's s k i l l and knowledge of the work to be performed. To improve these s k i l l s and increase t h i s knowledge, a "Rig Crew Training Program" has been i n s t i t u t e d . This program provides the necessary on-the-jos training to enable each employee to r»ake a planned progression from roustabout to d r i l l e r . I t consists of on-site video cassette programs, International Asrociation D r i l l i n g Contractors approved "Home Study Courses". Minerals Management Service required Crane Operating Blow Out Prevention Training and United States Coast Guard's Seamen's Training. A l l employees must pass required testing in each of these courses. A pay incentive i s included to encourage employee participat i o n . In addition, this program i s supported by generally accepted methods of r i g inspections, d r i l l s and safety meetings which are i n compliance with the U.S.C.G. and M.M.S. standards which, we believe, w i l l ultimately enhance the safe work performance of our employees.
B. Production F a c i l i t i e s
A l l production f a c i l i t i e s are constructed and installed to meet MMS and Coast Guard Standards for safety and protection of the environment.
A Safety and Training Department i s maintained to continually monitor and t r a i n personnel i n the conduct of safe operations. Our trai n i n g program emphasizes the existing MMS and environmental regulations.
Safety engineers monitor the operation for compliance with a l l safety standards. Safety meetings are held with the operating personnel t o review these safety standards. Operational personnel attend schools f o r f i r e f i g h t i n g , f i r s t aid, and operation of special equipment, such as, cranes and safety devices used i n the production of o i l and gas.
XIX. BASE OF OPERATION
A. Marine service to service d r i l l i n g and production operations w i l l be provided from Port O'Conner, Texas.
B. Air service (helicopter) w i l l be provided from Port 0'Conner, Texas.
17
;«!*fj»i f •• • ; **-V Shifts'-
XX. GASEOUS EMISSION DATA:
A. Emissions
1. D r i l l i n g Operations
a. Rig - Ocean Chief: Emissions calculated for 150 days -stated i n (lbs./day) tons/150 days. See attachment for emission summary by r i g 6 "Basis For Calculation Summary."
(1) CO (672.44) 50.43 (2) Hydrogen (144.77) 10.86 (3) NOx (4271.45) 320.86 (4) S02 (511.56) 38.37 (5) Particulate (46.63) 3.50
b. Helicopters: Estimated 20 round t r i p s i n 150 days, two and one half hours per round t r i p 50 hours operating time. Stated i n (lbs./nr.) tons per 150 days. See attachment for emissions per hour of use.
(1) CO (.5) .01 (2) Hydrogen (.1) .00 (3) NOx (2.2) .06 (4) S02 (14.2) .36 (5) Particulate (.2) .01
c. Boat (crew): 108 t r i p s i n 150 days at 4 hours per round t r i p = 432 hours. (Supply) 70 t r i p s i n 150 days at 9 hours round t r i p * 630 hours. 432 + 630 = 1062 operating hours. Stated i n (lbs./hr.) tons per 150 days. See attachment for emissions per hour of use.
(1) CO (6.8) 3.61 (2) Hydrogen (2.5) 1.33 (3) NOx (32.4) 16.67 (4) S02 (2.3) 1.12 (5) Particulate (2.3) 1.22
d. Supply Base: 30 ton crane. Estimated use i n 150 days -385 hours. Stated i n (lbs./hr.) tons/150 days. See attachment for emissions per hour of use.
(1) CO (3.77) .73 (2) Hydrogen (.35) .07 (3) NOx (9.18) 1.77 (4) S02 (.47) .09 (5) Particulate (.50) .10
2. Production Operations
a. Production Platform: For calulations see attachments, "Matagorda Island Block 604-L Platform A Emission Summary". Stated in (lbs./day) tons/365 days.
(1) CO (6.68) 1.22 (2) Hydrocarbon (1.27) .23 (3) N0X (48.35) 8.82 (4) S02 (2.93) .54 (5) Particulate (2.08) .19
b. Lay-barge: Emissions calculated for 88 days or 880 hrs. during pipeline laying hours. See attachment for emission summary Supply Base - 30 ton crane. Estimate to be the emission rate as crane lay-barge. Stated in (lbs./hr.) tons per 88 days.
(1) CO (3.77) 1.66 (2) Hydrogen (.35) .15 (3) NOx (9.18) 4.04 (4) S02 (.47) .21 (5) Particulate (.50) .22
c. Helicopters: Estimated 104 round t r i p s i n 365 days, two and one half hours per round t r i p 260 hours operating time. Stated i n (lbs./hr.) tons per 365 days. See attachment per hour of use.
(1) CO (.5) .07 (2) Hydrogen (.1) .01 (3) NOx { 2 ' 2 ) ' 2 9
(4) S02 (14.2) 1.85 (5) Particulate (.2) *
d. Boat (crew): 104 t r i p s i n 365 days at 4 hc -r .ound t r i p -416 hours. (Supply) 52 t r i p s i n 365 days at . hours per round t r i p - 468 hours. 416 + 468 « 884 operating hours. Stated i n (lbs./hr.) tons per 365 days. See attachment per hour of use.
(1) CO (6.8) 3.01 (2) Hydrocarbon (2.5) 1.11 (3) NOx (31.4) 13.88 (4) S02 (2.1) .93 (5) Particulate (2.3) 1.02
e. Supply Base: 30 ton crane. Estimated use i n 365 days 934 hours. Stated i n (lbs./hr.) tons per 365 days. See attachment per hour of use.
(1) CO (3.77) 1.76 (2) Hydrocarbon (.35) .16 (3) NOx (9.18) 4.29 (4) S02 (-47) .22 (5) Particulate (.50) .23
B. Exemptions: Distance from shore 40 statute miles.
1. Hydrocarbons: NOx, S02, Particulates 33.3 x 40 = 1332.00 tons/ 365 days for each, or 1332.00 x 4 - 5328.00 tons/365 days.
2/3 2. CO (3400 x 400) ' or 244 tons/365 days.
XXI. ATTACHMENTS
A. V i c i n i t y Map - with location of A platform (wells A-l, A-2, & A-3), locations H S I .
B. Bathmetry ''lap with A platform well location (A-l, A-2, & A-3) and H & I plotted.
C. Schematic of production platform "A** with emission stack elevations.
D. eologioal Programs with structure map and shallow hazards l e t t e r md seismic map for wells A-l, A-2, A-3, H & I .
E. Flowline plat showing well t i e - i n pattern to A platform production f a c i l i t y .
F. Plat showing pipeline system to Magnolia Beach, and depicting transportation routes to shore base.
G. Schematic cf typ i c a l well jacket.
H. D r i l l Rig Data - "Ocean CVef" including schematic of diverter and statement of pollu t i o n control.
I . Schematic of d r i l l barge - "Ocean Chief" with emission stack elevations.
J. Emission Summary A platform.
K. Emission Summary with basis of calculation for d r i l l barge "Ocean Chief".
L. Emission hourly rates for boats, helicopters, and crane.
LM. 2 0 ° l O ' £ t .018" Lonfl. 90° 14* l«.S«9 a
BLK. 603-L I
MASTEF
H
SHEET
BLK. 589-L
oo no mi
Y = 134,640 00'
15,040.00
Odeco Oil ft Gos Company O.C.S. -G - 6037
BLK. 604-L
A Piatf
_LOf. 28° 10'25 279'
LMf.es* i i'u. est*
S BLK. 605-L
rr.
Y s II8,800.00,
BLK. 619-L 7
ft«07'4fl 493" 96° 11*25 890
PROPOSEO MINERAL DEVELOPMENT MATAGORDA ISLAND AREA
GULF OF MEXICO OOECO OIL a GAS COMPANY
> * b T • rn
) — 377
RUMOR O-.tftlif" TTT-
PILE LQAD5 - 5TDRM HU COMPRESSION MAX TENSION HORIZONTAL SHEAR
<2> lOMG, ] I'-- TDMS TONS . 1 -.TOMS 1
TRAMS j ! T r w TOWS. TONS rtfe TONS-' J TOki i *r: TONS" 1 TOMS j
S « BS6L,
laoiuxiaxa^w;
TOf Of JKCXU Ei l». ^ r.rt RirEflo'-'p
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SERVICE DCCK tL.(0 l5-4V
ENVIRONMENTAL FORCES TOTAL WIND WJtfC AND CU RRI NT FORCE
* -« ; _ I TOMS I |T*C ' I TOMS I
LONG. ..!' FT TONS . TRANS. • - - »• • ~ •
• • i i . FT "TOMS
DIAG"
•11 • * *•» FT TOMS .
TOTAL GRAVfTY LOADS OFfRATINSJ mmm ' • TOMS
- STORM TONS-
TOMS
TOTAL OVERTURNING MOMENTS
2 0 > .542
10NG.J 4 ' ' FT TONS : TRAMS FT TONS DIAG —' FT TOMS
^ 20V.<
ELEVATION B
O D E C O OIL & GAS CO.
4 PILE PROOUCTIOK .IATFORH
A PLATFORM LEASE ND. OCS^037 DtOCX MO!**]
BLOCK bQ*-L 0CS-G-C037
MA TA GO ROA ISLAND AREA — — — — — — — — _ _ t
OOf CO OIL A QM COMPANY ; ~H
DRAWN OATt SCALE DWO. NO.
OA?2 i
MAT440#DA ISUK'D MSA
MATAGORDA ISLAND AREA I I
FJR
DATI
12-! 2-88 1= 2$OOC' 0383
DWG. NO.
ODECO OIL ft OAS COMPANV
VICINITY MAP WITH TRANSPORTATION
ROUTE MATAGORDA 604-L
I
—eniatAL irms— / oasicfimvf oo v&x SWM
IN GWF
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&GN ofAJ&.tSM SUSJfCTfO TO MMO < ¥Wj\*£ SOAXYT MMfiV TH£SC nVKXS 7*TD£fJBt
S. CCSlGAf LOAD ON PAD DUCT/CM one A. O&D icAO jars*
• &L/mriaKO too rsr -f. ALL CKAT/hJS {HiMDXAfLI TO
se uar orr 6Ao*#tz£D Arm rAJBK/Cjmaf TO COM FOAM TO TV LATEJT JtCVtSlQN OT ATTN AITS.
—-OCSiQA' IQAOtA'O — /. V£RTICAL L/VfJOfAO IQAO
2. £A.'V/#OM€AT4L LOADS
3. MAX IUM MUO C/A'f MOM fNT
A MAX IUM MOMCMT 0C101N MUO
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ao.e
WELL JACKET
BARGE DATA
MAT - 210' Long x 170' Wide x 10' Deep with 2' scouring skirt. Slot in Mat is 87' Long x 90' Wide
PLATFORM - Contains all living and working areas 166' Long x 109' Wide x 16' Deep. Slot in Platform is 48' x 50'
QUARTERS For 48 men
CLEARANCES & DIMENSIONS
DIM ENStO NS OPERATING D EPTH
A 8 c 0 E H J K L rn H P
Maximum
Normal
Hurricane
Season
Minimum
i r « ' ZS to t W tw ar i i r
EQUIPMENT
1 147' 1.400.0001b. Capacity derrick
t EMSCO A 1500 E Drawworks with two (2) D-79 DC motors.
I 37 t/2 Rotary w/Varco KMPC-HD pin drive unit
1 500 ton Swivel
t 500 ton Hook
1 160 Gallon capacity Koomty accumulator
1 - 13 5/8" 5000 # WP Cameron type "IT double BOP
1 13-5/8" 5000 # WP Cameron single BOP
1 13 5/8" 5000 #WPGK Hydril
2 Continental Emsco F 1.300 Mud pumps each driven by two (2) D-79 DC Motors
3 3x4 Centrifugal mixing pumps
1 Brandt Hi Speed Oual Tandem Shakers
10.00(1' 5" - 19.50 # Grade *E" Range 2
Drill pipe W/5" X-Hole Tool joints.
5.000' 5" - 13.50 if Grade "G" Range 2 Drill pipe W/5" X-Hole tool joints.
18 7-1/2" x 30' Drill Collars w/5-1/2" H-90 Connections
2 45 Ton Link Belt Cranes with 70' Booms
1 Halliburton Cementing Unit
1 Schlumberger logging unit
1 Pioneer Desander
1 Pioneer Desitter
1 Sv\ aco degasser
2 600 KW AC Generators
2 EMD 16-645 E.'diesel c-v nes rated @ 1950 H.P. @ 900 RPM driving 2 - D79G. D.C.
Generators and 1 032K O.C. Generator
2 Cat. C 398TA-B diesels driving 1 600KW 450 volt. 3 phase, 60 cycle Marine A.C. Generators rn\\
2 800 HP 360° Pivot Harbor Master Thruster Units.
STORAGE CAPACITIES
Dry Mud 3.000 Sks
Active Mud 1.510 BBI.
Reserve Mud 500 BBI.
Bulk Mud 4300 Sks
Diesel Fuel 1.796 BBL
Drill Watar 4,324 BB'.
Poiable Water 402 BBi.
Bulk Cement 4,050 Cu. Ft
OCEAN CHIEF D> VfcftTFR SYSTEM
QPERM'.QH
CLOSE HYDRIL - PORT OVERBOARD VAL YE A U T O M A T I T A i I V OPP MS ^ T A J ^ A P f )
VALVE CAN K O P f RATED INDEPENDENTLY PORT VALVE CAN BE OPENED BY REMOVING PIN FROM ROD
THAT TIES H H L A R HANDLE TO PORT VALVE HANDLE
ft* fiOOOAllMOflf 30" U WITH ADDtnONAl UMC « If MKKO *H» 100
WKOMAmEP. UNIONS EACH BOOST STRENGTH - 800 k SI
RATED WWING POESSUOE • 300 PSI TVP <2l PLACES
ft" XM T*»0|T f i ft' 2 r i f t 4 9 ' i « X ft* wo. too wtco
UMON (WfCO IJNKM P O N TING AFT » TVP 2 PICS
JUMA.AAOPCN
ANNUL AN a o s t
PORT CLOSE
1
PORT OPEN
STtOCPCN
STDOCLOM
i
0€MCO 6 X 6 SERIES •JOO MtO OPERA TED 9ALI
VALVt - 2000PSI WP 0 ' 2000 PS* R4S K 6 S
TVP (2)PLACES
ft- I 0 2000 PS» ELANOED OUTLET P45 RING GROOVE TVP (2) PLACES
OCEAN DRILLING 8. EXPLORATION COMPANY W W ORLEANS. LOUISIANA
OCEAN CHIEF DIVERTED SCHEMATIC & CONTROL SYSTEM
tor i
DRAWN JSA OATf: 7/TV80 SCALE: NONE
NO ORLG 36-22
O D E C O
INTER-OFFICE (XXRESPOCSNCE
TO: R.S. Gloger LX.: N. 0. LKTE:
COPIES TO:
FRCM: W.J. Wilkinson LOC.: *• °-
SUBJECT: Pollution and Waste Disposal froa D/B ^tttK ^ i f f
The D/B C?t?^H L * L i C 7 w a s constructed with certain features which were incorporated specifically to stop any pollutant likely to be founr* during normal drilling operations. It is equipped with drip pans and/or drains under floor and other machinery to retain a l l oil spills.
Provisions have been made for the collection, storage, and later transfer to shore base of all used oil from machinery on the drilling platform.
Containers have been provided to transfer solid waste (such as boxes, cartons, cans, etc.) which cannot be incinerated, to a shore base.
Copies of OCS Order Nos. i through 10, which are applicable to the contract drilling operations, have been furnished the toolpushers. Rig supervisory personnel have been shown the seriousness of control of pollutants.
Should i t come to your attention that any liquids or solids have escaped into the Gulf without our knowledge, I sincerely ask that you bring this to my attention.
W. J. Wilkinson
WJW/ggt
i
EMISSION SUMMARY FOR
MATAGORDA ISLAND 604L "A" PLATFORM
SOURCE NO. ELEVATION CO HYDROCARBON NOy so?.
0.007
PARTICULATE
1 73.0* 0.197 0.011 2.33
so?.
0.007 0.119
2 73.0' 0.465 0.100 2.96 0.249 0.032
3 51.0* 0.256 0.055 1.62 0.132 0.0177
4 88.0' 0.262 0.056 1.66 0.135 0.0182
5 Total ton/yr Total lb/day
62.0' 0.040 1.22 6.68
0.009 0.231 1.266
0.254 8.824
48.351
0.0207 0.536 2.934
0.003 0.189 2.076
No. 1 A Waukeshaw F1905 GU natural gas engine with 230 BHP driving the platform generator, fuel usage 51.6 MCFD; 95% annual usage.
No. 2 A Detroit 8V71N diesel engine with 335 BHP driving the standby generacor; 5% annual usage.
No. 3 A Detroit 3-71 diesel engine with 92 BHP driving the platform firepump; 10% annual usage.
No. 4 A Detroit 4-71 diesel engine with 188 BHP driving the platform crane; 5% annual usage.
No. 5 A Lister 1V202 diesel engine with 18 BHP driving a standby a i r compressor; 8% annual usage.
OCEAN CHIEF EMISSIONS SUMMARY
SOURCE ENGINE STACK HEIGHT (FT) STACK EMISSIONS (TONS/YEAR) TTPE TYPE HURRICANE NON-HURR DIA. CO HYDROCARB NOX PARTICALS 802
MAIN ENGINE EMD 16-643 90 74 1 . 33 43.27 9.73 287.6 3.14 23.4 MAIN ENGINE EMD 16-64S 90 74 1 .33 43.27 9.73 287.6 3.14 13.4 MAIN EH3INE CAT 396 TA-B 90 74 1 33 13.43 3 32 98.0 1.07 7.18 MAIN ENGINE CAT 398 TA-B 90 74 1 33 13.43 3.32 98.0 1.07 7.96
AUX. OEM. OM 6-71 92 76 42 0.04 0.01 0.23 NEG 0.02 FIRE PUMP LIS 2380HR3 70 34 . 33 0.06 0.01 0.39 NEG 0.03 PORT CRANE DETROIT 6-71 100 84 . 33 0. 36 0.08 2.28 0.03 0.19 STBD. CRANE DETROIT 4-71 94 78 . 33 0.13 0.03 0.93 0.01 0.02
HALIBURTON OM IV 71 94 78 30 0 . 29 0.06 1 .84 0.02 0.19 HALIBURTON CM 8V 7 1 94 78 .30 0 29 0.06 1.84 0.02 0.19 HALIBURTON GM 393 94 78 .23 0.08 0.02 0.31 0.01 0.01
SCHLUMBERGER DETROIT 4-71 84 68 .13 0.03 0.01 0.32 NEG 0.03
TOTALS 112.72 26 . 42 779.34 8.91 63.36
^ Anno - lbs,fyr.
ll*./D«f if ¥.11 sit- *(>
> .... (,.,., it.;*.;;- » .4 .
F o l l u t a n t f r o m d i e s e l engines on d r i l l i n g r i g s were c a l c u l a t e d using the fo l lowing:
.0096563 X c X P X (BHP) YR
where
- .OC 1 •= c o n v e r s i o n from Grams/hr. t o T o n s / y r . - C - s ;/BHP-Hr o f p o l l u t a n t - see (1) - P = '^e % useage in a yr. - see (2) ) - BHP = KaLed HP o f engine
(1) A v a i l a b l e da ta f rom manufacturers Gf d i e s e l engines and t h e o r e t i c a l combustion data was surveyed , and the ' o l l o w i n g va lues c / iosen:
Pu11utant . Grams/BHP-HR
N0X 18.3 S0 2 1.49
Hydrocarbon 0.62 CO 2 .88
P a r t i c u l a t e 0.20
(2) O p e r a t i o n o f equipment data f rom s e v e r a l r i g s was reviewed t o o b t a i n % useage. Based on t h i s r ev i ew , the f o l l o w i n g data was u t i l i z e d i n prepar ing emiss ions e s t i m a t e s . Th i s data i s p r o b a b l y c o n s e r v a t i v e , because i t was assumed tha t engines were o p e r a t i n g a t a l l t imes a t r a t e d horsepower:
Engine A p p l i c a t i o n Average Year ly % Use
Main Engine 74 E n e r g . Engine -0.5 P r i *ry Crane 7 Bach Up Crane 3 Fork L i f t 3 Cement Unit 3 Logging Unit 1 Welding Unit 2 Des aoder/Desi I t e r 10 C o l d S t a r t A i r Comp. 2 R i g A i r Comp. 10 Main Mud Pump 50 Mud Mix Unit 10 Draw works 60 Bulk A i r Comp. 3
-
CO
I I .
CO .5
Ix...
CO 3.77
Basis For Calculations of Gaseo^ emissions of Boats - Hflicopters and Crane at Supply Base for Rig Related )perations
I . Boats Equiped vith. two V 12 marine engines and tvo generators Lbs/Hour
Hydrocarbon 2.5
No 31.5
SO? 2.1
Particules 2.3
Helicopter: For transportation of men. Lbs/Hour
Hydrocarbon Nes, SOo .1 2.2 14.2
Size 206
Particules .2
Supply Base - Crane - with GM 6-71 diesel engine with 228 BHP driving a 30 ton crane
Lbs/Hour Hydrocarbon No* SO? Particules .35 9.18 .47 .5
