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1. (WO2018102199) METHOD FOR PREDICTION OF LIVE OIL INTERFACIAL TENSION AT RESERVOIR CONDITIONS FROM DEAD OIL MEASUREMENTS
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Pub. No.: WO/2018/102199 International Application No.: PCT/US2017/062758
Publication Date: 07.06.2018 International Filing Date: 21.11.2017
IPC:
G01N 13/02 (2006.01) ,G01N 33/28 (2006.01) ,G01N 9/36 (2006.01) ,G06F 17/10 (2006.01)
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
13
Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
02
Investigating surface tension of liquids
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33
Investigating or analysing materials by specific methods not covered by groups G01N1/-G01N31/131
26
Oils; viscous liquids; paints; inks
28
Oils
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
9
Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
36
Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
17
Digital computing or data processing equipment or methods, specially adapted for specific functions
10
Complex mathematical operations
Applicants:
SCHLUMBERGER CANADA LIMITED [CA/CA]; 125 - 9 Avenue SE Calgary, Alberta T2G 0P6, CA (CA)
SERVICES PETROLIERS SCHLUMBERGER [FR/FR]; 42 rue Saint Dominique 75007 Paris, FR (FR)
SCHLUMBERGER TECHNOLOGY B.V. [NL/NL]; Parkstraat 83-89m NL-2514 JG The Hague, NL (AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IR, IS, IT, JO, JP, KE, KG, KH, KM, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, ZA, ZM, ZW)
SCHLUMBERGER TECHNOLOGY CORPORATION [US/US]; 300 Schlumberger Drive, Sugar Land, Texas 77478, US (US)
Inventors:
STUKAN, Mikhail; RU
SAUERER, Bastian; SA
ABDALLAH, Wael; SA
Agent:
LAFFEY, Bridget M.; US
CLARK, Brandon; US
Priority Data:
15/367,63502.12.2016US
Title (EN) METHOD FOR PREDICTION OF LIVE OIL INTERFACIAL TENSION AT RESERVOIR CONDITIONS FROM DEAD OIL MEASUREMENTS
(FR) PROCÉDÉ DE PRÉDICTION DE TENSION INTERFACIALE D'HUILE BRUTE DANS DES CONDITIONS DE RÉSERVOIR À PARTIR DE MESURES D'HUILE MORTE
Abstract:
(EN) Methods may include measuring an interfacial tension (IFT) for a dead oil sample prepared from a fluid within an interval of a formation; calculating a gas:oil ratio for the fluid within the interval of a formation at a specified temperature and pressure; calculating a live oil density for the fluid within the interval of a formation for the specified temperature and pressure; and converting the IFT for the dead oil sample to a corrected IFT measurement for a live oil within the interval of the formation from the calculated gas:oil ratio and the calculated density. Methods may also include constructing a depletion path for the dead oil sample from one or more isobars and one or more isotherms; and converting the IFT for the dead oil sample to a corrected IFT measurement from the calculated gas:oil ratio and the calculated live oil density for a live oil.
(FR) L'invention concerne des procédés pouvant comprendre la mesure d'une tension interfaciale (IFT) pour un échantillon d'huile morte préparé à partir d'un fluide à l'intérieur d'un intervalle d'une formation ; le calcul d'un rapport gaz/huile pour le fluide à l'intérieur de l'intervalle d'une formation à une température et une pression spécifiées ; le calcul d'une densité d'huile brute pour le fluide à l'intérieur de l'intervalle d'une formation pour la température et la pression spécifiées ; et la conversion de l'IFT pour l'échantillon d'huile morte en une mesure d'IFT corrigée pour une huile brute à l'intérieur de l'intervalle de la formation à partir du rapport gaz/huile calculé et de la densité calculée. Les procédés peuvent également comprendre la construction d'un trajet d'appauvrissement pour l'échantillon d'huile morte provenant d'un ou plusieurs isobares et d'un ou plusieurs isothermes ; et la conversion de l'IFT pour l'échantillon d'huile morte en une mesure d'IFT corrigée à partir du rapport gaz/huile calculé et de la densité d'huile brute calculée pour une huile brute.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)