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1. (WO2013148508) CARBONATE PERMEABILITY BY PORE TYPING
PCT Biblio. Data
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Pub. No.:
WO/2013/148508
International Application No.:
PCT/US2013/033508
Publication Date:
03.10.2013
International Filing Date:
22.03.2013
IPC:
G01V 3/32
(2006.01),
G01V 3/38
(2006.01)
G
PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
18
specially adapted for well-logging
32
operating with electron or nuclear magnetic resonance
G
PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
38
Processing data, e.g. for analysis, for interpretation or for correction
Applicants:
BAKER HUGHES INCORPORATED
[US/US]; P.O. Box 4740 Houston, Texas 77210-4740 (US)
Inventors:
LI, Lilong
; (US)
Priority Data:
13/433,570
29.03.2012
US
Title
(EN)
CARBONATE PERMEABILITY BY PORE TYPING
(FR)
PERMÉABILITÉ DES CARBONATES PAR LA DÉTERMINATION DE LA TYPOLOGIE DES PORES
Abstract:
(EN)
A method for estimating a property of an earth formation includes: conveying a carrier through a borehole penetrating the earth formation; performing nuclear magnetic resonance (NMR) measurements on a sensitive volume in the formation using an NMR tool disposed at the carrier to provide a distribution of relaxation times; identifying peaks in the distribution of relaxation times; selecting at least one peak based on a characteristic of the at least one peak; and estimating the property using a relaxation time associated with the at least one peak.
(FR)
La présente invention concerne un procédé d'estimation d'une propriété d'une formation terrestre, le procédé comprenant : l'introduction d'un support dans un trou de forage pénétrant la formation terrestre ; la mise en œuvre de mesures de résonance magnétique nucléaire (RMN) sur un volume sensible de la formation au moyen d'un outil RMN disposé sur le support pour obtenir une distribution de temps de relaxation ; l'identification de pics dans la distribution de temps de relaxation ; la sélection d'un ou de plusieurs pics sur la base d'une caractéristique du ou des pics ; et l'estimation de la propriété en utilisant un temps de relaxation associée au(x) pic(s).
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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, ML, MR, NE, SN, TD, TG).
Publication Language:
English (
EN
)
Filing Language:
English (
EN
)