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Machine translation
1. (WO2012101402) COMPOSITE BOW CENTRALIZER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/101402    International Application No.:    PCT/GB2012/000067
Publication Date: 02.08.2012 International Filing Date: 24.01.2012
IPC:
E21B 17/10 (2006.01)
Applicants: HALLIBURTON ENERGY SERVICES INC. [US/US]; 10200 Bellaire Boulevard Houston, Texas 77072 (US) (For All Designated States Except US).
LIVELY, Glenn [US/US]; (US) (For US Only).
LEVIE, David [GB/CH]; (CH) (For US Only).
MUELLER, Dietmar [DE/DE]; (DE) (For US Only).
WEBER, Thorsten [DE/DE]; (DE) (For US Only).
TURNER, Craig Robert [GB/GB]; (GB) (MW only)
Inventors: LIVELY, Glenn; (US).
LEVIE, David; (CH).
MUELLER, Dietmar; (DE).
WEBER, Thorsten; (DE)
Agent: TURNER, Craig Robert; A A Thornton & Co 235 High Holborn London WC1V 7LE (GB)
Priority Data:
13/013259 25.01.2011 US
Title (EN) COMPOSITE BOW CENTRALIZER
(FR) CENTREUR À RESSORTS EN ARC EN MATÉRIAU COMPOSITE
Abstract: front page image
(EN)A centralizer (200) comprises a first collar (202), a second collar (204), a plurality of bow springs (206) coupling the first collar to the second collar, and a plurality of particulates (220) disposed on an outer surface of at least one bow spring. One or more of the first collar, the second collar, and the bow springs comprises a composite material. In some embodiments, the centralizer comprises a third collar (302), wherein the plurality of bow springs comprise a first portion (304) of bow springs and a second portion (306)of bow springs, and where in the first portion of the bow springs couple the first collar (202) to the third collar (302) and the second portion of the bow springs couple the second collar (204) to the third collar (302).
(FR)La présente invention concerne un centreur qui comprend un premier collier, un second collier, une pluralité de ressorts en arc couplant le premier collier au second collier et une pluralité de particules disposées sur une surface externe d'au moins un ressort en arc. Au moins un élément parmi le premier collier, le second collier et les ressorts en arc comprend un matériau composite. Dans certaines formes de réalisation, le centreur comporte un troisième collier de sorte que la pluralité de ressorts en arc présente une première partie de ressorts en arc et un seconde partie de ressorts en arc, ladite première partie couplant le premier collier au troisième collier et ladite seconde partie couplant le second collier au troisième collier.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, 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, 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, MD, 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)