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RESERVORIO
- PETROLEO
CALCULO DEL VOLUMEN DE PETROLEO Y GAS EN
EL RESERVORIO
A CONDICIONES DE
YACIMIENTO:
𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊
𝐺𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊
A CONDICIONES DE
SUPERFICIE:
𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 =
𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊
𝛽𝑂
𝐺𝐼𝑁−𝑆𝐼𝑇𝑈 =
𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊
𝛽𝑔
VOLUMENES
PRODUCIDOS:
𝐹𝑅𝑂 =
𝑁𝑃
𝑁𝐼𝑁−𝑆𝐼𝑇𝑈
× 100
𝐹𝑅𝑔 =
𝐺𝑃
𝐺𝐼𝑁−𝑆𝐼𝑇𝑈
× 100
𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 − 𝑁𝑝
PETROLEO REMANENTE:
GAS DE ABANDONO:
𝐺𝑎𝑏𝑑 = 𝐺𝐼𝑁−𝑆𝐼𝑇𝑈 − 𝐺𝑝
VOLUMEN DE
ROCA
LECTURA PLANIMETRICA
ESPESOR
Area en el papel
Equidistancia de las curvas
VOLUMEN DE ROCA
AREA REAL
RAZON DE AREA
ECUACION
VOLUMEN DE ROCA
CONSTANTE PLANIMETRICA
𝑘 =
𝐸𝑠𝑐𝑎𝑙𝑎
100
2
× 𝑐𝑡𝑡𝑒 𝑑𝑒 𝑏𝑟𝑎𝑧𝑜
𝐴𝑅𝑛 = 𝐿𝑒𝑐𝑡𝑢𝑟𝑎 𝑃𝑙𝑎𝑛𝑖𝑚𝑒𝑡𝑟𝑖𝑐𝑎 × 𝑘
𝑅𝐴𝒏 =
𝐴𝑛
𝐴𝑛−1
𝑇 =
ℎ
2
× 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1
𝑃 =
ℎ
3
× 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 + 𝐴𝑅 𝑛 × 𝐴𝑅 𝑛−1
𝑉𝑅𝑥 = ෍ 𝑇 𝑜 𝑃
𝑆𝐼 𝑅𝐴𝒏 ≥ 0.5 𝑇𝑅𝐴𝑃𝐸𝑍𝑂𝐼𝐷𝐴𝐿
𝑆𝐼 𝑅𝐴𝒏 < 0.5 𝑃𝐼𝑅𝐴𝑀𝐼𝐷𝐴𝐿
VOLUMEN DE ROCA
RESERVORIO
CALCULO DEL VOLUMEN DE ROCA
CONTORNO
LECTURA
PLANIMETRICA
CONSTANTE
PLANIMETRICA
AREA REAL
RAZON DE
AREA
ECUACION ESPESOR
VOLUMEN DE
ROCA
LP (UP) CTTE RA (ADIM)
DIAGRAMA
DE FASES
FACTOR VOLUMETRICO DEL PETROLEO
Bo (Bbl/BF)
RGP= (PC/Bbl)
SGg = Adim
oAPI
Tyac = oF
𝑆𝐺𝑔 =
141.5
131.5 + °𝐴𝑃𝐼
DATOS:
Prof. = 1960 ft
Qo inicial= 1500BPD
Espesor = 39 ft
Pr = 2850 Psi
Tr =170 oF
oAPI = 24,7
Ctte de Brazo = 0,0911
Escala = 1:200000
Espaciamiento 6ft
Pozo mas alto 39 ft
Qo actual = 35 BPD
Qg actual = 34 MPCD
Lectura
Planimetica
(UP)
900
640
480
250
120
79
30
SOLUCION
a) Nin-situ o Gin-situ
b) Np
Injeccion de agua
Fro = 60%
𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 =
𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊
𝛽𝑂
c) Nrem
Injeccion de agua
Fro = 60%
VRx = ?
Porosidad = 14,62%
Sw = 46,37%
Bo = 1,52
CALCULO DEL FACTOR
VOLUMETRICO DEL PETROLEO
Bo = 1,52 Bbl/BF
RGP=Qg/Qo
RGP=34000PCD/35BPD
RGP= 971,43 PC/Bbl
oAPI=24,7
Tyac = 170oF
𝑆𝐺𝑔 =
141.5
131.5 + °𝐴𝑃𝐼
𝑆𝐺𝑔 =
141.5
131.5 + 24,7
𝑆𝐺𝑔 =0,90
CALCULO DE POROSIDAD Y Sw PROMEDIO:
∅𝑃𝑅𝑂𝑀 =
σ ∅ × 𝑒𝑠𝑝𝑒𝑠𝑜𝑟
σ 𝑒𝑠𝑝𝑒𝑠𝑜𝑟
𝑆𝑤𝑃𝑅𝑂𝑀 =
σ 𝑆𝑤 × 𝑒𝑠𝑝𝑒𝑠𝑜𝑟
σ 𝑒𝑠𝑝𝑒𝑠𝑜𝑟
∅𝑃𝑅𝑂𝑀 =
13 × 3,5 + 17,8 × 2,8 + 19,7 × 1,9 + 11,5 × 2,2 + 12,6 × 1,8 + 15,3 × 2,5 + 13,5 × 3,6 % ∗ 𝑚
3,5 + 2,8 + 1,9 + 2,2 + 1,8 + 2,5 + 3,6 𝑚
∅𝑃𝑅𝑂𝑀 = 14,62 %
𝑆𝑤𝑃𝑅𝑂𝑀 =
48 × 3,5 + 52 × 2,8 + 38 × 1,9 + 53 × 2,2 + 66 × 1,8 + 42 × 2,5 + 34 × 3,5 % ∗ 𝑚
3,5 + 2,8 + 1,9 + 2,2 + 1,8 + 2,5 + 3,6 𝑚
𝑆𝑤𝑃𝑅𝑂𝑀 = 46,37 %
POROSIDAD
SATURACION DE
AGUA
ESPESOR
POROSIDAD *
ESPESOR
SATURACION DE
AGUA* ESPESOR
(%) (%) (m) (%*m) (%*m)
13 48 3,5 45,5 168
17,8 52 2,8 49,84 145,6
19,7 38 1,9 37,43 72,2
11,5 53 2,2 25,3 116,6
12,6 66 1,8 22,68 118,8
15,3 42 2,5 38,25 105
13,5 34 3,6 48,6 122,4
18,3 267,6 848,6
POROSIDAD = 14,62%
Sw = 46,37%
VOLUMEN DE ROCA
CONSTANTE PLANIMETRICA
𝑘 =
𝐸𝑠𝑐𝑎𝑙𝑎
100
2
× 𝑐𝑡𝑡𝑒 𝑑𝑒 𝑏𝑟𝑎𝑧𝑜
𝑘 =
200000
100
2
×0,0911
ESCALA
1:200000
1cm (papel) 200000 cm (real)
200000 cm * (1m/100cm)=2000 m
𝑘 = 364400 𝑚2/𝑈𝑃
VOLUMEN DE ROCA
AREA REAL
𝐴𝑅𝑛 = 𝐿𝑒𝑐𝑡𝑢𝑟𝑎 𝑃𝑙𝑎𝑛𝑖𝑚𝑒𝑡𝑟𝑖𝑐𝑎 × 𝑘
𝐴𝑅1 = 900 UP × 364400 m2/UP = 327960000 m2
𝐴𝑅2 = 640 UP × 364400 m2/UP = 233216000 m2
𝐴𝑅3 = 480 UP × 364400 m2/UP = 174912000 m2
𝐴𝑅4 = 250 UP × 364400 m2/UP = 91100000 m2
𝐴𝑅5 = 120 UP × 364400 m2/UP = 43728000 m2
𝐴𝑅6 = 79 UP × 364400 m2/UP
𝐴𝑅6 = 28787600 m2
𝐴𝑅7 = 30 UP × 364400 m2/UP
𝐴𝑅7 = 10932000 m2
𝐴𝑅8 = 0 UP × 364400 m2/UP
𝐴𝑅8 = 0 m2
VOLUMEN DE ROCA
RAZON DE AREA
𝑅𝐴𝟐 =
𝐴2
𝐴1
=
233216000 𝑚2
327960000 𝑚2
= 0,71
𝑆𝐼 𝑅𝐴𝒏 ≥ 0.5 𝑇𝑅𝐴𝑃𝐸𝑍𝑂𝐼𝐷𝐴𝐿
𝑆𝐼 𝑅𝐴𝒏 < 0.5 𝑃𝐼𝑅𝐴𝑀𝐼𝐷𝐴𝐿
𝑅𝐴𝒏 =
𝐴𝑛
𝐴𝑛−1
𝑅𝐴𝟑 =
𝐴3
𝐴2
=
174912000 𝑚2
233216000 𝑚2
= 0,75
𝑅𝐴𝟒 =
𝐴4
𝐴3
=
91100000 𝑚2
174912000𝑚2
= 0,52
𝑅𝐴𝟏 =
𝐴1
𝑁𝑜 𝑒𝑥𝑖𝑠𝑡𝑒
= 𝑁𝑜 𝑒𝑥𝑖𝑠𝑡𝑒 𝑅𝐴𝟓 =
𝐴5
𝐴4
=
43728000 𝑚2
91100000 𝑚2
= 0,48
𝑅𝐴𝟔 =
𝐴6
𝐴5
=
28787600 𝑚2
43728000 𝑚2
= 0,66
𝑅𝐴𝟕 =
𝐴7
𝐴6
=
10932000 𝑚2
28787600 𝑚2
= 0,38
𝑅𝐴𝟖 =
𝐴8
𝐴7
=
0 𝑚2
10932000𝑚2
= 0
VOLUMEN DE ROCA ECUACION
𝑇 =
ℎ
2
× 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1
𝑃 =
ℎ
3
× 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 + 𝐴𝑅 𝑛 × 𝐴𝑅 𝑛−1
𝑉𝑅𝑥1 = -----
𝑉𝑅𝑥2 = 𝑇 =
ℎ2
2
× 𝐴𝑅2 + 𝐴R1 =
6
2
× 233216000 + 327960000 = 16835280000 m2-ft
𝑉𝑅𝑥3 = 𝑇 =
ℎ3
2
× 𝐴𝑅3 + 𝐴𝑅2 =
6
2
× 174912000 + 233216000 = 1224384000 m2-ft
𝑉𝑅𝑥4 = 𝑇 =
ℎ4
2
× 𝐴𝑅4 + 𝐴𝑅3 =
6
2
× 91100000 + 174912000 = 798036000 m2-ft
𝑉𝑅𝑥6 = 𝑇 =
ℎ6
2
× 𝐴𝑅6 + 𝐴𝑅5 =
6
2
× 28787600 + 43728000 = 217546800 m2-ft
VOLUMEN DE ROCA ECUACION
𝑃 =
ℎ
3
× 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 + 𝐴𝑅 𝑛 × 𝐴𝑅 𝑛−1
𝑉𝑅𝑥5 = 𝑃 =
6
3
× 43728000 + 91100000 + 43728000 × 91100000 = 395887862,9 m2-ft
𝑉𝑅𝑥5 = 𝑃 =
ℎ5
3
× 𝐴𝑅5 + 𝐴𝑅4 + 𝐴𝑅5 × 𝐴𝑅4 =
𝑉𝑅𝑥7 = 𝑃 =
6
3
× 10932000 + 28787600 + 10932000 × 28787600 = 114919112,2 m2-ft
𝑉𝑅𝑥7 = 𝑃 =
ℎ7
3
× 𝐴𝑅7 + 𝐴𝑅6 + 𝐴𝑅7 × 𝐴𝑅6 =
𝑉𝑅𝑥8 = 𝑃 =
3
3
× 0 + 10932000 + 0 × 10932000 = 10932000 m2-ft
𝑉𝑅𝑥8 = 𝑃 =
ℎ8
3
× 𝐴𝑅8 + 𝐴𝑅7 + 𝐴𝑅8 × 𝐴𝑅7 =
VOLUMEN DE ROCA
RESERVORIO
CALCULO DEL VOLUMEN DE ROCA
CONTORNO
LECTURA
PLANIMETRICA
CONSTANTE
PLANIMETRICA
AREA REAL
RAZON DE
AREA
ECUACION ESPESOR
VOLUMEN DE
ROCA
(ft) LP (UP) (m2/UP) (m2) RA (ADIM) (ft) (m2 – ft)
0 900 364400 327960000 ---------- ---------- -------- --------
6 640 364400 233216000 0,71 T 6 16835280000
12 480 364400 174912000 0,75 T 6 1224384000
18 250 364400 91100000 0,52 T 6 798036000
24 120 364400 43728000 0,48 P 6 395887862,9
30 79 364400 28787600 0,66 T 6 217546800
36 30 364400 10932000 0,38 P 6 114919112,2
39 0 364400 0 0 P 3 10932000
VOLUMEN DE ROCA VOLUMEN DE ROCA 𝑉𝑅𝑥 = ෍ 𝑇 𝑜 𝑃
𝑉𝑅𝑥 = 𝑉𝑅𝑥1+ 𝑉𝑅𝑥2 + 𝑉𝑅𝑥3+ 𝑉𝑅𝑥4+ 𝑉𝑅𝑥5 +𝑉𝑅𝑥6+ 𝑉𝑅𝑥7 + 𝑉𝑅𝑥8
𝑉𝑅𝑥 =(16835280000+1224384000+798036000 +395887862,9 +217546800
+114919112,2+10932000) m2-ft
𝑉𝑅𝑥 = 19,6 × 109 𝑚2 − 𝑓𝑡 ×
1 𝑚
3.281 𝑓𝑡
×
6.2898 𝐵𝑏𝑙
1 𝑚3
𝑽𝑹𝒙 = 𝟑𝟕, 𝟔 × 𝟏𝟎𝟗
𝑩𝒃𝒍
SOLUCION
a) N in-situ a condiciones de superficie
𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 =
𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊
𝛽𝑂
𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 =
37,6 × 109 𝐵𝑏𝑙 × 0,1462 × 1 − 0,4637
1,52 𝐵𝑏𝑙/𝐵𝐹
𝑵𝑰𝑵−𝑺𝑰𝑻𝑼 = 𝟏𝟗𝟑𝟗𝟓𝟒𝟑𝟎𝟔𝟑 𝑩𝑭
SOLUCION
b) PETROLEO PRODUCIDO
Injeccion de agua
Fro = 60%
𝐹𝑅𝑂 =
𝑁𝑃
𝑁𝐼𝑁−𝑆𝐼𝑇𝑈
× 100
𝑁𝑃 =
𝐹𝑅𝑂
100
× 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈
𝑁𝑃 =
60
100
× 𝟏𝟗𝟑𝟗𝟓𝟒𝟑𝟎𝟔𝟑 𝑩𝑭
𝑵𝑷 = 𝟏𝟏𝟔𝟑𝟕𝟐𝟓𝟖𝟑𝟖 𝑩𝑭
c) PETROLEO REMANENTE
𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 − 𝑁𝑝
𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝟏𝟗𝟑𝟗𝟓𝟒𝟑𝟎𝟔𝟑 𝑩𝑭 − 𝟏𝟏𝟔𝟑𝟕𝟐𝟓𝟖𝟑𝟖 𝑩𝑭
𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝟕𝟕𝟓𝟖𝟏𝟕𝟐𝟐𝟓 𝑩𝑭

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RESERVORIO - PETROLEO.pdf

  • 2. CALCULO DEL VOLUMEN DE PETROLEO Y GAS EN EL RESERVORIO A CONDICIONES DE YACIMIENTO: 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊 𝐺𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊 A CONDICIONES DE SUPERFICIE: 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊 𝛽𝑂 𝐺𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊 𝛽𝑔
  • 3. VOLUMENES PRODUCIDOS: 𝐹𝑅𝑂 = 𝑁𝑃 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 × 100 𝐹𝑅𝑔 = 𝐺𝑃 𝐺𝐼𝑁−𝑆𝐼𝑇𝑈 × 100 𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 − 𝑁𝑝 PETROLEO REMANENTE: GAS DE ABANDONO: 𝐺𝑎𝑏𝑑 = 𝐺𝐼𝑁−𝑆𝐼𝑇𝑈 − 𝐺𝑝
  • 4. VOLUMEN DE ROCA LECTURA PLANIMETRICA ESPESOR Area en el papel Equidistancia de las curvas
  • 5. VOLUMEN DE ROCA AREA REAL RAZON DE AREA ECUACION VOLUMEN DE ROCA CONSTANTE PLANIMETRICA 𝑘 = 𝐸𝑠𝑐𝑎𝑙𝑎 100 2 × 𝑐𝑡𝑡𝑒 𝑑𝑒 𝑏𝑟𝑎𝑧𝑜 𝐴𝑅𝑛 = 𝐿𝑒𝑐𝑡𝑢𝑟𝑎 𝑃𝑙𝑎𝑛𝑖𝑚𝑒𝑡𝑟𝑖𝑐𝑎 × 𝑘 𝑅𝐴𝒏 = 𝐴𝑛 𝐴𝑛−1 𝑇 = ℎ 2 × 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 𝑃 = ℎ 3 × 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 + 𝐴𝑅 𝑛 × 𝐴𝑅 𝑛−1 𝑉𝑅𝑥 = ෍ 𝑇 𝑜 𝑃 𝑆𝐼 𝑅𝐴𝒏 ≥ 0.5 𝑇𝑅𝐴𝑃𝐸𝑍𝑂𝐼𝐷𝐴𝐿 𝑆𝐼 𝑅𝐴𝒏 < 0.5 𝑃𝐼𝑅𝐴𝑀𝐼𝐷𝐴𝐿
  • 6. VOLUMEN DE ROCA RESERVORIO CALCULO DEL VOLUMEN DE ROCA CONTORNO LECTURA PLANIMETRICA CONSTANTE PLANIMETRICA AREA REAL RAZON DE AREA ECUACION ESPESOR VOLUMEN DE ROCA LP (UP) CTTE RA (ADIM)
  • 8. FACTOR VOLUMETRICO DEL PETROLEO Bo (Bbl/BF) RGP= (PC/Bbl) SGg = Adim oAPI Tyac = oF 𝑆𝐺𝑔 = 141.5 131.5 + °𝐴𝑃𝐼
  • 9.
  • 10. DATOS: Prof. = 1960 ft Qo inicial= 1500BPD Espesor = 39 ft Pr = 2850 Psi Tr =170 oF oAPI = 24,7 Ctte de Brazo = 0,0911 Escala = 1:200000 Espaciamiento 6ft Pozo mas alto 39 ft Qo actual = 35 BPD Qg actual = 34 MPCD Lectura Planimetica (UP) 900 640 480 250 120 79 30
  • 11. SOLUCION a) Nin-situ o Gin-situ b) Np Injeccion de agua Fro = 60% 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊 𝛽𝑂 c) Nrem Injeccion de agua Fro = 60% VRx = ? Porosidad = 14,62% Sw = 46,37% Bo = 1,52
  • 12. CALCULO DEL FACTOR VOLUMETRICO DEL PETROLEO Bo = 1,52 Bbl/BF RGP=Qg/Qo RGP=34000PCD/35BPD RGP= 971,43 PC/Bbl oAPI=24,7 Tyac = 170oF 𝑆𝐺𝑔 = 141.5 131.5 + °𝐴𝑃𝐼 𝑆𝐺𝑔 = 141.5 131.5 + 24,7 𝑆𝐺𝑔 =0,90
  • 13. CALCULO DE POROSIDAD Y Sw PROMEDIO: ∅𝑃𝑅𝑂𝑀 = σ ∅ × 𝑒𝑠𝑝𝑒𝑠𝑜𝑟 σ 𝑒𝑠𝑝𝑒𝑠𝑜𝑟 𝑆𝑤𝑃𝑅𝑂𝑀 = σ 𝑆𝑤 × 𝑒𝑠𝑝𝑒𝑠𝑜𝑟 σ 𝑒𝑠𝑝𝑒𝑠𝑜𝑟 ∅𝑃𝑅𝑂𝑀 = 13 × 3,5 + 17,8 × 2,8 + 19,7 × 1,9 + 11,5 × 2,2 + 12,6 × 1,8 + 15,3 × 2,5 + 13,5 × 3,6 % ∗ 𝑚 3,5 + 2,8 + 1,9 + 2,2 + 1,8 + 2,5 + 3,6 𝑚 ∅𝑃𝑅𝑂𝑀 = 14,62 % 𝑆𝑤𝑃𝑅𝑂𝑀 = 48 × 3,5 + 52 × 2,8 + 38 × 1,9 + 53 × 2,2 + 66 × 1,8 + 42 × 2,5 + 34 × 3,5 % ∗ 𝑚 3,5 + 2,8 + 1,9 + 2,2 + 1,8 + 2,5 + 3,6 𝑚 𝑆𝑤𝑃𝑅𝑂𝑀 = 46,37 %
  • 14. POROSIDAD SATURACION DE AGUA ESPESOR POROSIDAD * ESPESOR SATURACION DE AGUA* ESPESOR (%) (%) (m) (%*m) (%*m) 13 48 3,5 45,5 168 17,8 52 2,8 49,84 145,6 19,7 38 1,9 37,43 72,2 11,5 53 2,2 25,3 116,6 12,6 66 1,8 22,68 118,8 15,3 42 2,5 38,25 105 13,5 34 3,6 48,6 122,4 18,3 267,6 848,6 POROSIDAD = 14,62% Sw = 46,37%
  • 15. VOLUMEN DE ROCA CONSTANTE PLANIMETRICA 𝑘 = 𝐸𝑠𝑐𝑎𝑙𝑎 100 2 × 𝑐𝑡𝑡𝑒 𝑑𝑒 𝑏𝑟𝑎𝑧𝑜 𝑘 = 200000 100 2 ×0,0911 ESCALA 1:200000 1cm (papel) 200000 cm (real) 200000 cm * (1m/100cm)=2000 m 𝑘 = 364400 𝑚2/𝑈𝑃
  • 16. VOLUMEN DE ROCA AREA REAL 𝐴𝑅𝑛 = 𝐿𝑒𝑐𝑡𝑢𝑟𝑎 𝑃𝑙𝑎𝑛𝑖𝑚𝑒𝑡𝑟𝑖𝑐𝑎 × 𝑘 𝐴𝑅1 = 900 UP × 364400 m2/UP = 327960000 m2 𝐴𝑅2 = 640 UP × 364400 m2/UP = 233216000 m2 𝐴𝑅3 = 480 UP × 364400 m2/UP = 174912000 m2 𝐴𝑅4 = 250 UP × 364400 m2/UP = 91100000 m2 𝐴𝑅5 = 120 UP × 364400 m2/UP = 43728000 m2 𝐴𝑅6 = 79 UP × 364400 m2/UP 𝐴𝑅6 = 28787600 m2 𝐴𝑅7 = 30 UP × 364400 m2/UP 𝐴𝑅7 = 10932000 m2 𝐴𝑅8 = 0 UP × 364400 m2/UP 𝐴𝑅8 = 0 m2
  • 17. VOLUMEN DE ROCA RAZON DE AREA 𝑅𝐴𝟐 = 𝐴2 𝐴1 = 233216000 𝑚2 327960000 𝑚2 = 0,71 𝑆𝐼 𝑅𝐴𝒏 ≥ 0.5 𝑇𝑅𝐴𝑃𝐸𝑍𝑂𝐼𝐷𝐴𝐿 𝑆𝐼 𝑅𝐴𝒏 < 0.5 𝑃𝐼𝑅𝐴𝑀𝐼𝐷𝐴𝐿 𝑅𝐴𝒏 = 𝐴𝑛 𝐴𝑛−1 𝑅𝐴𝟑 = 𝐴3 𝐴2 = 174912000 𝑚2 233216000 𝑚2 = 0,75 𝑅𝐴𝟒 = 𝐴4 𝐴3 = 91100000 𝑚2 174912000𝑚2 = 0,52 𝑅𝐴𝟏 = 𝐴1 𝑁𝑜 𝑒𝑥𝑖𝑠𝑡𝑒 = 𝑁𝑜 𝑒𝑥𝑖𝑠𝑡𝑒 𝑅𝐴𝟓 = 𝐴5 𝐴4 = 43728000 𝑚2 91100000 𝑚2 = 0,48 𝑅𝐴𝟔 = 𝐴6 𝐴5 = 28787600 𝑚2 43728000 𝑚2 = 0,66 𝑅𝐴𝟕 = 𝐴7 𝐴6 = 10932000 𝑚2 28787600 𝑚2 = 0,38 𝑅𝐴𝟖 = 𝐴8 𝐴7 = 0 𝑚2 10932000𝑚2 = 0
  • 18. VOLUMEN DE ROCA ECUACION 𝑇 = ℎ 2 × 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 𝑃 = ℎ 3 × 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 + 𝐴𝑅 𝑛 × 𝐴𝑅 𝑛−1 𝑉𝑅𝑥1 = ----- 𝑉𝑅𝑥2 = 𝑇 = ℎ2 2 × 𝐴𝑅2 + 𝐴R1 = 6 2 × 233216000 + 327960000 = 16835280000 m2-ft 𝑉𝑅𝑥3 = 𝑇 = ℎ3 2 × 𝐴𝑅3 + 𝐴𝑅2 = 6 2 × 174912000 + 233216000 = 1224384000 m2-ft 𝑉𝑅𝑥4 = 𝑇 = ℎ4 2 × 𝐴𝑅4 + 𝐴𝑅3 = 6 2 × 91100000 + 174912000 = 798036000 m2-ft 𝑉𝑅𝑥6 = 𝑇 = ℎ6 2 × 𝐴𝑅6 + 𝐴𝑅5 = 6 2 × 28787600 + 43728000 = 217546800 m2-ft
  • 19. VOLUMEN DE ROCA ECUACION 𝑃 = ℎ 3 × 𝐴𝑅 𝑛 + 𝐴𝑅 𝑛−1 + 𝐴𝑅 𝑛 × 𝐴𝑅 𝑛−1 𝑉𝑅𝑥5 = 𝑃 = 6 3 × 43728000 + 91100000 + 43728000 × 91100000 = 395887862,9 m2-ft 𝑉𝑅𝑥5 = 𝑃 = ℎ5 3 × 𝐴𝑅5 + 𝐴𝑅4 + 𝐴𝑅5 × 𝐴𝑅4 = 𝑉𝑅𝑥7 = 𝑃 = 6 3 × 10932000 + 28787600 + 10932000 × 28787600 = 114919112,2 m2-ft 𝑉𝑅𝑥7 = 𝑃 = ℎ7 3 × 𝐴𝑅7 + 𝐴𝑅6 + 𝐴𝑅7 × 𝐴𝑅6 = 𝑉𝑅𝑥8 = 𝑃 = 3 3 × 0 + 10932000 + 0 × 10932000 = 10932000 m2-ft 𝑉𝑅𝑥8 = 𝑃 = ℎ8 3 × 𝐴𝑅8 + 𝐴𝑅7 + 𝐴𝑅8 × 𝐴𝑅7 =
  • 20. VOLUMEN DE ROCA RESERVORIO CALCULO DEL VOLUMEN DE ROCA CONTORNO LECTURA PLANIMETRICA CONSTANTE PLANIMETRICA AREA REAL RAZON DE AREA ECUACION ESPESOR VOLUMEN DE ROCA (ft) LP (UP) (m2/UP) (m2) RA (ADIM) (ft) (m2 – ft) 0 900 364400 327960000 ---------- ---------- -------- -------- 6 640 364400 233216000 0,71 T 6 16835280000 12 480 364400 174912000 0,75 T 6 1224384000 18 250 364400 91100000 0,52 T 6 798036000 24 120 364400 43728000 0,48 P 6 395887862,9 30 79 364400 28787600 0,66 T 6 217546800 36 30 364400 10932000 0,38 P 6 114919112,2 39 0 364400 0 0 P 3 10932000
  • 21. VOLUMEN DE ROCA VOLUMEN DE ROCA 𝑉𝑅𝑥 = ෍ 𝑇 𝑜 𝑃 𝑉𝑅𝑥 = 𝑉𝑅𝑥1+ 𝑉𝑅𝑥2 + 𝑉𝑅𝑥3+ 𝑉𝑅𝑥4+ 𝑉𝑅𝑥5 +𝑉𝑅𝑥6+ 𝑉𝑅𝑥7 + 𝑉𝑅𝑥8 𝑉𝑅𝑥 =(16835280000+1224384000+798036000 +395887862,9 +217546800 +114919112,2+10932000) m2-ft 𝑉𝑅𝑥 = 19,6 × 109 𝑚2 − 𝑓𝑡 × 1 𝑚 3.281 𝑓𝑡 × 6.2898 𝐵𝑏𝑙 1 𝑚3 𝑽𝑹𝒙 = 𝟑𝟕, 𝟔 × 𝟏𝟎𝟗 𝑩𝒃𝒍
  • 22. SOLUCION a) N in-situ a condiciones de superficie 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 = 𝑉𝑅𝑥 × ∅ × 1 − 𝑆𝑊 𝛽𝑂 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 = 37,6 × 109 𝐵𝑏𝑙 × 0,1462 × 1 − 0,4637 1,52 𝐵𝑏𝑙/𝐵𝐹 𝑵𝑰𝑵−𝑺𝑰𝑻𝑼 = 𝟏𝟗𝟑𝟗𝟓𝟒𝟑𝟎𝟔𝟑 𝑩𝑭
  • 23. SOLUCION b) PETROLEO PRODUCIDO Injeccion de agua Fro = 60% 𝐹𝑅𝑂 = 𝑁𝑃 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 × 100 𝑁𝑃 = 𝐹𝑅𝑂 100 × 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 𝑁𝑃 = 60 100 × 𝟏𝟗𝟑𝟗𝟓𝟒𝟑𝟎𝟔𝟑 𝑩𝑭 𝑵𝑷 = 𝟏𝟏𝟔𝟑𝟕𝟐𝟓𝟖𝟑𝟖 𝑩𝑭
  • 24. c) PETROLEO REMANENTE 𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝑁𝐼𝑁−𝑆𝐼𝑇𝑈 − 𝑁𝑝 𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝟏𝟗𝟑𝟗𝟓𝟒𝟑𝟎𝟔𝟑 𝑩𝑭 − 𝟏𝟏𝟔𝟑𝟕𝟐𝟓𝟖𝟑𝟖 𝑩𝑭 𝑁𝑅𝑒𝑚𝑎𝑛𝑒𝑛𝑡𝑒 = 𝟕𝟕𝟓𝟖𝟏𝟕𝟐𝟐𝟓 𝑩𝑭