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1. (WO2015041678) METHODS FOR ETCHING FRACTURES AND MICROFRACTURES IN SHALE FORMATIONS
PCT Biblio. Data
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Pub. No.:
WO/2015/041678
International Application No.:
PCT/US2013/060904
Publication Date:
26.03.2015
International Filing Date:
20.09.2013
IPC:
E21B 43/25
(2006.01),
C09K 8/62
(2006.01),
E21B 43/22
(2006.01)
E
FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
25
Methods for stimulating production
C
CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
60
Compositions for stimulating production by acting on the underground formation
62
Compositions for forming crevices or fractures
E
FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
16
Enhanced recovery methods for obtaining hydrocarbons
22
Use of chemicals or bacterial activity
Applicants:
HALLIBURTON ENERGY SERVICES, INC.
[US/US]; 10200 Bellaire Boulevard Houston, TX 77072 (US)
Inventors:
NGUYEN, Philip D.
; (US).
WEAVER, Jim D.
; (US)
Agent:
AUERBACH, Robert P.
; Krueger Iselin LLP P.O. Box 1906 Cypress, TX 77410-1906 (US)
Priority Data:
Title
(EN)
METHODS FOR ETCHING FRACTURES AND MICROFRACTURES IN SHALE FORMATIONS
(FR)
PROCÉDÉS DE GRAVURE DE FRACTURES ET DE MICROFRACTURES DANS DES FORMATIONS DE SCHISTE
Abstract:
(EN)
A method of treating a subterranean formation includes providing a treatment fluid comprising particles of at least one of a hydrolysable in-situ acid generator and a hydrolysable in-situ chelating agent generator. The treatment fluid is combined with a carrier fluid and is introduced into a subterranean formation. The particles are placed in fractures or microfractures where, upon the hydrolyzing of the acid or chelating agent generator, etching of the faces of the fractures or microfractures occurs.
(FR)
L'invention concerne un procédé de traitement d'une formation souterraine comprenant la fourniture d'un fluide de traitement comprenant des particules d'un générateur d'acide in-situ hydrolysable et/ou d'un générateur d'agent chélateur in-situ hydrolysable. Le fluide de traitement est combiné avec un fluide porteur et est introduit dans une formation souterraine. Les particules sont placées dans des fractures ou des microfractures où, lors de l'hydrolysation du générateur d'acide ou du générateur d'agent chélateur, la gravure des faces des fractures ou des microfractures a lieu.
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, 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, 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 (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, KM, ML, MR, NE, SN, TD, TG).
Publication Language:
English (
EN
)
Filing Language:
English (
EN
)