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1. (WO2019025810) CROSSLINKED POLYMER MICROPARTICLES FOR USE IN CONFORMANCE CONTROL
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Pub. No.: WO/2019/025810 International Application No.: PCT/GB2018/052221
Publication Date: 07.02.2019 International Filing Date: 02.08.2018
IPC:
C09K 8/508 (2006.01) ,C09K 8/512 (2006.01) ,C09K 8/516 (2006.01) ,C09K 8/588 (2006.01)
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
50
Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
504
Compositions based on water or polar solvents
506
containing organic compounds
508
macromolecular compounds
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
50
Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
504
Compositions based on water or polar solvents
506
containing organic compounds
508
macromolecular compounds
512
containing cross-linking agents
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
50
Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
516
characterised by their form or by the form of their components, e.g. encapsulated material
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
58
Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
588
characterised by the use of specific polymers
Applicants:
BP EXPLORATION OPERATING COMPANY LIMITED [GB/GB]; Chertsey Road Sunbury on Thames Middlesex TW16 7BP, GB
Inventors:
COLLINS, Ian Ralph; GB
Agent:
HAMER, Christopher; GB
Priority Data:
1712475.103.08.2017GB
Title (EN) CROSSLINKED POLYMER MICROPARTICLES FOR USE IN CONFORMANCE CONTROL
(FR) MICROPARTICULES POLYMÈRES RÉTICULÉES POUR UNE UTILISATION DANS LE CONTRÔLE DE CONFORMITÉ
Abstract:
(EN) The present invention relates to expandable polymeric microparticles comprising cross-linked copolymer chains having structural units derived from (i) a water-soluble or water-dispersible monomer with a betaine group, (ii) a water-soluble or water-dispersible non- ionic comonomer, and, (iii) a water-soluble or water-dispersible non-labile cross-linking monomer having at least two sites of ethylenic unsaturation wherein the copolymer chains of the polymeric microparticles comprise from 9.5 to 45 mol% of structural units derived from the betaine monomer and from 0.1 to 10 mol% of structural units derived from the non-labile cross-linking monomer; the polymeric microparticles have an unexpanded average particle diameter in the range from 0.05 to 5 µm and wherein the polymeric microparticles expand in size when dispersed in an aqueous fluid at or above a transition temperature.
(FR) La présente invention concerne des microparticules polymères expansibles comprenant des chaînes copolymères réticulées à base de motifs structuraux dérivés de (i) un monomère soluble ou dispersible dans l'eau ayant un groupe bétaïne, (ii) un comonomère non ionique soluble ou dispersible dans l'eau, et, (iii) un monomère de réticulation non labile soluble ou dispersible dans l'eau ayant au moins deux sites d'insaturation éthylénique. Les chaînes copolymères des microparticules polymères comprennent de 9,5 à 45 % en mol de motifs structuraux dérivés du monomère de bétaïne et de 0,1 à 10 % en mol de motifs structuraux dérivés du monomère de réticulation non labile ; et les microparticules polymères ont un diamètre de particule moyen à l'état non expansé dans la plage de 0,05 à 5 µm et s'expansent quand elles sont dispersées dans un fluide aqueux à, ou au-dessus d'une température de transition.
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)