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1. WO2012064213 - METHOD TO ENHANCE FIBER BRIDGING

Publication Number WO/2012/064213
Publication Date 18.05.2012
International Application No. PCT/RU2010/000667
International Filing Date 12.11.2010
IPC
E21B 43/26 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
25Methods for stimulating production
26by forming crevices or fractures
C09K 8/60 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
60Compositions for stimulating production by acting on the underground formation
CPC
C09K 2208/08
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
2208Aspects relating to compositions of drilling or well treatment fluids
08Fiber-containing well treatment fluids
C09K 2208/30
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
2208Aspects relating to compositions of drilling or well treatment fluids
30Viscoelastic surfactants [VES]
C09K 8/03
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
02Well-drilling compositions
03Specific additives for general use in well-drilling compositions
C09K 8/685
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
60Compositions for stimulating production by acting on the underground formation
62Compositions for forming crevices or fractures
66Compositions based on water or polar solvents
68containing organic compounds
685containing cross-linking agents
C09K 8/70
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
60Compositions for stimulating production by acting on the underground formation
62Compositions for forming crevices or fractures
70characterised by their form or by the form of their components, e.g. foams
E21B 33/138
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
33Sealing or packing boreholes or wells
10in the borehole
13Methods or devices for cementing, for plugging holes, crevices, or the like
138Plastering the borehole wall; Injecting into the formations
Applicants
  • SCHLUMBERGER CANADA LIMITED [CA]/[CA] (CA)
  • SERVICES PETROLIERS SCHLUMBERGER [FR]/[FR] (FR)
  • SCHLUMBERGER HOLDINGS LIMITED [BG]/[BG] (GB, JP, NL)
  • SCHLUMBERGER TECHNOLOGY B. V. [NL]/[NL] (AL, AU, AZ, BG, CO, CZ, DE, DK, GQ, GR, HU, ID, IE, IL, IT, KR, KZ, LT, MX, MY, NO, NZ, OM, PL, RO, RU, SI, SK, TD, TM, TN, TR, TT, UZ, ZA)
  • PRAD RESEARCH AND DEVELOPMENT LIMITED [BG]/[BG] (AE, AG, AM, AO, AT, BA, BB, BE, BF, BH, BJ, BR, BW, BY, BZ, CF, CG, CH, CI, CL, CM, CN, CR, CU, CY, DM, DO, DZ, EC, EE, EG, ES, FI, GA, GD, GE, GH, GM, GN, GT, GW, HN, HR, IN, IS, KE, KG, KM, KN, KP, LA, LC, LK, LR, LS, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MZ, NA, NE, NG, NI, PE, PG, PH, PT, RS, SC, SD, SE, SG, SL, SM, SN, ST, SV, SY, SZ, TG, TH, TJ, TZ, UA, UG, VC, VN, ZM, ZW)
  • FU, Diankui [US]/[RU] (UsOnly)
  • TARASOVA, Elena Nikolaevna [RU]/[RU] (UsOnly)
  • KHLESTKIN, Vadim Kamil'evich [RU]/[RU] (UsOnly)
  • POTAPENKO, Dmitry Ivanovich [RU]/[RU] (UsOnly)
  • BUGRIN, Vladimir Sergeevich [BY]/[RU] (UsOnly)
Inventors
  • FU, Diankui
  • TARASOVA, Elena Nikolaevna
  • KHLESTKIN, Vadim Kamil'evich
  • POTAPENKO, Dmitry Ivanovich
  • BUGRIN, Vladimir Sergeevich
Agents
  • YAKUSHEVA, Elena Gennadievna
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD TO ENHANCE FIBER BRIDGING
(FR) PROCÉDÉ D'AMÉLIORATION DE PONTAGE DES FIBRES
Abstract
(EN)
A method of treating a geologic formation including injecting into a wellbore a high viscosity composition which comprises a base fluid wherein the base fluid has an initial viscosity of 100 cP or greater and which exhibits a decrease in viscosity upon exposure to a viscosity reducing agent, and fibers wherein the fibers exhibit flocking upon a decrease in the viscosity of the base fluid, and injecting into the wellbore a viscosity reducing agent wherein the viscosity reducing agent is injected into the wellbore with or separately from the high viscosity composition is provided.
(FR)
L'invention concerne un procédé de traitement de formation géologique consistant à injecter dans un puits de forage une composition à haute viscosité qui comprend un fluide de base, lequel fluide de base possède une viscosité initiale de 100 cP ou plus et présente une diminution de viscosité lors d'une exposition à un agent de réduction de viscosité, ainsi que des fibres, lesquelles fibres sont capables de flocage lors d'une diminution de la viscosité du fluide de base, puis à injecter dans le puits de forage l'agent de réduction de viscosité, ce dernier étant injecté dans le puits de forage avec la composition à haute viscosité ou séparément.
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