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Machine translation
1. (WO2012051169) 3-RING NON-EXTRUSION SEAL ASSEMBLY AND METHOD
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/051169    International Application No.:    PCT/US2011/055750
Publication Date: 19.04.2012 International Filing Date: 11.10.2011
IPC:
E21B 31/18 (2006.01), F16J 15/18 (2006.01)
Applicants: NATIONAL OILWELL VARCO, L.P. [US/US]; 7909 Parkwood Circle Drive Houston, Texas 77036 (US) (For All Designated States Except US).
STREATER, James, R., Jr. [US/US]; (US) (For US Only).
SALDANA, Jose [US/US]; (US) (For US Only).
HERNANDEZ, Daniel, Jr. [US/US]; (US) (For US Only)
Inventors: STREATER, James, R., Jr.; (US).
SALDANA, Jose; (US).
HERNANDEZ, Daniel, Jr.; (US)
Agent: LECHTENBERGER, Joseph, D.; Winston & Strawn LLP Patent Department 1700 K Street, N.W. Washington, District of Columbia 20008-3817 (US)
Priority Data:
61/391,741 11.10.2010 US
Title (EN) 3-RING NON-EXTRUSION SEAL ASSEMBLY AND METHOD
(FR) ENSEMBLE JOINT À TROIS BAGUES D'APPUI ANTI-EXTRUSION, ET PROCÉDÉ
Abstract: front page image
(EN)A three-ring seal assembly is provided to seal across extrusion gaps of varying size when used during down hole fishing operations.
(FR)La présente invention concerne un ensemble joint à trois bagues, qui sert à créer une étanchéité entre des intervalles d'extrusions de dimensions variables, et qui est prévu pour s'utiliser pour les opérations de repêchage en fond de trou.
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)