Integracion de Datos de Registros de Pozos, Analisis de Nucleos y Pruebas de Presion

7/23/2019 Integracion de Datos de Registros de Pozos, Analisis de Nucleos y Pruebas de Presion

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INTEGRACION DE DATOS DE

REGISTROS DE POZOS,

ANALISIS DE NUCLEOS Y

PRUEBAS DE PRESION PARA

CARACTERIZAR EL

YACIMIENTO Y OPTIMIZARLAS INVERSIONES.

Jos Gregorio Ocando Rodrguez y

Ricardo Bueno Silva.ECOPETROL S.A.


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Content

Introduction Well selected

Well logging

Pressure data

Mini DST Test

Information integrated:

Core analysis

PVT analysis

Nodal analysis

Conclusions


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Introduction Integration: Reservoir and well (data)

Target: Exploration phase: EXP & Appraisals Well with all information (ideal)

Information Available

Nodal Analysis (Real) No

WTA (DST - PBU) No

Mini DST YES

Pressure points YES

fluid samples with wireline YES

Basic core analysis YES

Special core analysis YES

Side wall samples SWS (basic analysis) YES

basic well logs YES

special well logs YES


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Formation Testing4


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Dynamic Data Analysis

5

Fuente: Kappa Free DDA book(Kappa Engineering). 2012.


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Research radio [Reservoir - Well]: Planes XY & XZ

Formation tester (FT) [Wireline /DP] :mobility, Mini-DST, samples, pressurepoints, fluids gradients, depletion.

Pressure transient Analysis (PTA)[DST, Initial test, Fall off, Flow After Flow,

Isochrones, interferences)Production Analysis (PA): EWT, limittest, extended flow, LT WT.

History Match (HM-RS): numerical,reservoir simulation with G&G staticmodel, fluid, special cores analysis.

Production logging (PL-PLT)

Well Performance Analysis (WPA-Nodal Analysis)

Fuente: Kappa Free Dynamic Data Analysis book (Kappa Engineering). 2012.


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Well logging evaluation

Balance of information available and resultsbefore and after core analysis


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WELL-1 Formation Basal sands


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Pressure data:

Presin yacimiento Fm. Arenas Basales:1223 psi @ 3264 TVD (Gporo=0.375 psi/ft).Grad. Equiv. Presin: 7.21LPG

Yacimiento con presin subnormal.Gradiente temperatura de 1.98 F/100 ft

Profundidad FormacinP. Hidrostat

Inicial

Presion de

FormacionTem p Mobilidad

Ft. M.D. PSIA PSIA Formacin oF md/cp

3228.0 1551.15 1209.85 0.375

1313233.0 1552.26 1211.50 0.375 117

3238.0 1554.58 1217.71 0.376 140 32

3244.0 1556.95 1215.83 0.375 141 24

3247.0 1558.30 1216.48 0.375 141 523

3250.0 1559.42 1217.74 0.375 141 436

3260.0 1563.93 1221.40 0.375 141 590

3264.0 1565.94 1223.00 0.375 141 1.030

3267.5 1567.22 1224.52 0.375 142 461

3271.5 1568.86 1226.10 0.375 142 535

3275.0 1570.43 1227.56 0.375 142 3483278.0 1571.70 1228.21 0.375 143 223

3281.0 1572.92 1229.83 0.375 143 343

3283.5 1573.72 1231.91 0.375 144 96

3294.0 1578.4 1235.81 0.375 144 1.490

3297.0 1579.73 1237.09 0.375 144 1.020

3300.0 1581.11 1238.34 0.375 145 749

3306.0 1583.71 1240.85 0.375 145 1.440

3309.0 1584.86 1242.13 0.375 145 1.230

3312.0 1586.38 1243.44 0.375 145 737

3329.5 1594.16 1256.60 0.377 146 2013404.0 1630.89 1295.96 0.381 147 477

3419.5 1635.79 1303.20 0.381 157 259

Gradiente de

Presin

Arena 1

Arena 2

Arena 3


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0.6 6 60 120

79 786 7.860 15.720

70 702 7.020 14.040

19 194 1.944 3.888

14 143 1.428 2.856

314 3.138 31.380 62.760

262 2.616 26.160 52.320

354 3.540 35.400 70.800

618 6.180 61.800 123.600277 2.766 27.660 55.320

321 3.210 32.100 64.200

209 2.088 20.880 41.760

134 1.338 13.380 26.760

206 2.058 20.580 41.160

57 574 5.742 11.484

894 8.940 89.400 178.800

612 6.120 61.200 122.400

449 4.494 44.940 89.880

864 8.640 86.400 172.800

738 7.380 73.800 147.600

442 4.422 44.220 88.440

121 1.206 12.060 24.120

286 2.862 28.620 57.240

155 1.554 15.540 31.080

Permeability, md

viscosity (reservoir fluid), cp


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Mini - DST, gauge ft 3247 3247 3264 3419.5

Visco oil, cp 250 60 60 60

pay zone, ft 18 18 14 6

Ri, ft 114 114 325 140

Cs, bl/psi 1.30E-07 1.32E-07 3.49E-07 4.64E-08

kh, md-ft 4.35E+05 1.09E+05 6.61E+05 2.21E+04

k ave, md 25.100 6.030 47.200 3.680

kz/kr 1 1 1 1

Pi, psia 1217 1217 1223 1305

Skin 2 2 2.2 0.7

delta s, psia 1.2 1.2 0.3 1.4

pwf, psia 755 755 1118 1174drawdown, psia 462 462 105 131

Rate, cc/seg 8 15 20 10

Q, BOPD 4 8 11 5

IP cal, BOPD/psi 0.01 0.02 0.10 0.04

AOF, BOPD 12 21 126 54

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Profundidad Presin de

Confinamiento Porosidad

Permeabilidad

Klinkenberg

Permeabilidad al

Aire RQI

Saturacin

de Aceite

Saturacin

de Agua

Densidad

Total

(ft) (m) (psi) (MPa) (%) (md) (m2) (md) (m2)(% Vol

poroso)

(% Vol

poroso)

(g/cm3)

3221,75 982,0 800 5,516 13,4 10 1,03E-02 12 1,14E-02 0,28

3221,75 982,0 1200 8,274 13,1 5,4 5,30E-03 6,0 5,95E-03 0,20

3229,83 984,5 800 5,516 31,2 264 2,60E-01 279 2,75E-01 0,91

3229,83 984,5 1200 8,274 31,0 250 2,46E-01 264 2,60E-01 0,89

3232,08 985,1 800 5,516 20,8 96 9,47E-02 116 1,14E-01 0,67

3232,08 985,1 1200 8,274 20,5 85 8,36E-02 102 1,01E-01 0,64

3232,5 985,3 800 5,516 23,5 417 4,11E-01 440 4,35E-01 1,32

3232,5 985,3 1200 8,274 23,2 387 3,82E-01 407 4,02E-01 1,28

3235,17 986,1 800 5,516 12,9 11 1,04E-02 12 1,20E-02 0,28

3235,17 986,1 1200 8,274 12,6 6,4 6,27E-03 7,5 7,39E-03 0,22

3235,79 986,3 800 5,516 29,6 604 5,96E-01 678 6,69E-01 1,42

3235,79 986,3 1200 8,274 29,3 519 5,13E-01 582 5,74E-01 1,32

3237,5 986,8 800 5,516 27,4 280 2,77E-01 309 3,05E-01 1,00

3237,5 986,8 1200 8,274 27,0 251 2,47E-01 276 2,72E-01 0,96

3241,25 987,9 800 5,516 32,0 2289 2,3 2483 2,5 2,66

3241,25 987,9 1200 8,274 31,5 2088 2,1 2281 2,3 2,56

3242,88 988,4 800 5,516 32,0 4841 4,8 5470 5,4 3,86

3242,88 988,4 1200 8,274 31,7 4746 4,7 5233 5,2 3,84

3243,83 988,7 800 5,516 23,1 1308 1,3 1391 1,4 2,36

3243,83 988,7 1200 8,274 22,8 1233 1,2 1307 1,3 2,31

3245,25 989,2 800 5,516 30,9 508 5,01E-01 609 6,01E-01 1,27

3245,25 989,2 1200 8,274 30,5 460 4,54E-01 543 5,36E-01 1,22

3249,58 990,5 800 5,516 15,4 16 1,61E-02 18 1,82E-02 0,32

3249,58 990,5 1200 8,274 15,0 10 1,01E-02 11 1,12E-02 0,26

3250,33 990,7 800 5,516 27,1 301 2,97E-01 314 3,10E-01 1,04

3250,33 990,7 1200 8,274 26,8 273 2,69E-01 286 2,82E-01 1,00

3250,75 990,8 800 5,516 21,9 382 3,77E-01 409 4,03E-01 1,31

3250,75 990,8 1200 8,274 21,5 333 3,29E-01 359 3,54E-01 1,24

15,5 65,5 2,00

9,8 86,4 2,20

24,3 55,9 2,00

0,0 95,0 2,20

43,1 50,5 2,10

28,5 64,9 2,20

0,0 85,7 2,10

30,8 48,3 2,00

0,0 100,0 2,40

27,2 57,8 2,10

4,2 81,3 2,20

26,7 62,0 2,20

0,0 100,0 2,40

27,0 73,0 2,10


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Arenas phi, % k geom, md contar k arit, md k geom, md k arit, md Soil, % Sw, % tope, ft base, ft h, ft

rena 01 25,80 422 38 1.935 461 2.022 18,0 70,6 3221,8 3252,6 31

rena 02 25,42 35 22 860 45 1.012 5,4 80,8 3270,2 3285,7 16

rena 03 24,43 213 36 4.815 257 5.073 7,0 80,9 3288,1 3318,1 30

rena basal 18,66 11 10 307 13 356 3,5 88,5 3319,3 3330,2 11

k airek klinkenberg


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Tiempo Volumen Compensada No Compensada 2.7 Gal

horas litros litros horas

3247MiniDST 523 02:00 73 545 19 X X - D

3271.5 535 01:30 43 317 11 X - D

3264MiniDST

1030 01:15 30 373 11 X X - D

3294 1490 00:30 10 232 9 X X - D

3306 1440 NA NA 214 5 X - D

3419,5 268 04:00 57 256 13 X X - D

3233 117 02:00 40 64 12 X X - D X - D

3329.5 217 04:00 75 127 9 X X - D

MovilidadSeal de Aceite

ProfundidadVolumen

Bombeado

Tiempo

Bombeado

Botellas


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Mini - DST, gauge ft 3247 3247 3264 3419.5

Visco oil, cp 250 60 60 60

pay zone, ft 18 18 14 6

Ri, ft 114 114 325 140

Cs, bl/psi 1.30E-07 1.32E-07 3.49E-07 4.64E-08

kh, md-ft 4.35E+05 1.09E+05 6.61E+05 2.21E+04

k ave, md 25 .1 00 6 .030 4 7.200 3.680

kz/kr 1 1 1 1

Pi, psia 1217 1217 1223 1305

Skin 2 2 2.2 0.7

delta s, psia 1.2 1.2 0.3 1.4


Rate, cc/seg 8 15 20 10

Q, BOPD 4 8 11 5

IP cal, BOPD/psi 0.01 0.02 0.10 0.04

AOF, BOPD 12 21 126 54


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Mini - DST, gauge ft 3247 3247 3264 3419.5

Visco oil, cp 250 60 60 60

pay zone, ft 18 18 14 6

Ri, ft 114 114 325 140

Cs, bl/psi 1.30E-07 1.32E-07 3.49E-07 4.64E-08

kh, md-ft 4.35E+05 1.09E+05 6.61E+05 2.21E+04

k ave, md 25 .1 00 6 .030 4 7.200 3.68 0

kz/kr 1 1 1 1

Pi, psia 1217 1217 1223 1305

Skin 2 2 2.2 0.7

delta s, psia 1.2 1.2 0.3 1.4


Rate, cc/seg 8 15 20 10

Q, BOPD 4 8 11 5

IP cal, BOPD/psi 0.01 0.02 0.10 0.04

AOF, BOPD 12 21 126 54


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Mini - DST, gauge ft 3247 3247 3264 3419.5

Visco oil, cp 250 60 60 60

pay zone, ft 18 18 14 6

Ri, ft 114 114 325 140

Cs, bl/psi 1.30E-07 1.32E-07 3.49E-07 4.64E-08

kh, md-ft 4.35E+05 1.09E+05 6.61E+05 2.21E+04

k ave, md 25 .1 00 6 .030 4 7.200 3.680

kz/kr 1 1 1 1

Pi, psia 1217 1217 1223 1305

Skin 2 2 2.2 0.7

delta s, psia 1.2 1.2 0.3 1.4


Rate, cc/seg 8 15 20 10

Q, BOPD 4 8 11 5

IP cal, BOPD/psi 0.01 0.02 0.10 0.04

AOF, BOPD 12 21 126 54


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Target: Exploration phase: EXP & AppraisalsInformation integratedWell logs data (basic & specials)

Pressure data (pws vs depth)Test data (Min-DST)Core analysis (Basic & specials)PVT analysis (Viscosity, test, sep, specials)Well test (yes or not) ($$$): Completion?

Results and re- calculate to validate theinterpretation and new volume.


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INTEGRACION DE DATOS DE

REGISTROS DE POZOS,ANALISIS DE NUCLEOS Y

PRUEBAS DE PRESION PARA

CARACTERIZAR EL

YACIMIENTO Y OPTIMIZARLAS INVERSIONES.

Jos Gregorio Ocando Rodrguez y

Ricardo Bueno Silva.

ECOPETROL S.A.

Documents

Integracion de Datos de Registros de Pozos, Analisis de Nucleos y Pruebas de Presion