SG11201810398UA - Method and system for supplying power fluid to a well pressure control device - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 11111111111111111110 11111110 11111111111111111111111111111111110 HOED Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2017/218481 Al 21 December 2017 (21.12.2017) WIP0 I PCT (51) International Patent Classification: (74) Agent: FAGIN, Richard, A.; P.O. Box 593128, San Anto- Fl 5B 1/00 (2006.01) E21B 33/06 (2006.01) nio, TX 78259 (US). Fl 5B 1/02 (2006.01) E21B 33/064 (2006.01) Fl 5B 1/027 (2006.01) E21B 34/10 (2006.01) (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (21) International Application Number: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, PCT/US2017/037169 CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (22) International Filing Date: DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, 13 June 2017 (13.06.2017) 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, (25) Filing Language: English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (26) Publication Language: English 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, (30) Priority Data: TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 62/349,686 14 June 2016 (14.06.2016) US (84) Designated States (unless otherwise indicated, for every (71) Applicant: NOBLE DRILLING SERVICES INC. kind of regional protection available): ARIPO (BW, GH, [US/US]; 13135 S. Dairy Ashford Road, Suite 800, Sugar GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, Land, TX 77478 (US). UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, (72) Inventors: DEUL, Hans, H., J.; 3035 Arabian Court, Rich- EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, — mond, TX 77406 (US). O'NEILL, Patrick; 12643 Peb-MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, blebrook Dr, Houston, TX 77024 (US). VAN KUILEN- TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, = BURG, Robert; 4819 Whitby Circle, Sugar Land, TX KM, ML, MR, NE, SN, TD, TG). 77479 (US). SIBREL, Matthew; 10123 Antelope Alley, Missouri City, TX 77459 (US). = (54) Title: METHOD AND SYSTEM FOR SUPPLYING POWER FLUID TO A WELL PRESSURE CONTROL DEVICE = (57) : A power fluid supply system for a well pressure con- - Hydr. Fluid trol apparatus includes a control valve manifold in hydraulic commu- = _ = = = = = = = = = = = From Surface 10 Gas Fluid 12 Fluid 12 nication between a fluid outlet of an hydraulic fluid accumulator and an hydraulic ram in the well pressure control apparatus. A pressurized gas accumulator is in fluid communication with a fluid inlet of the hy- draulic fluid accumulator. A pressurized gas supply conduit extends from the pressurized gas accumulator to a source of pressurized gas. — 1-1 Control Valve Manifold 14 11 I GC iv Fluid Fluid Ot Nom • 1-1 \" ma el FIG. 1 it -- (Prior Art) 16 RAM 1-1 16 RAM 0 ei O [Continued on next page] WO 2017/218481 Al MIDEDIMOMMIMMEM00110HOHEHHIMEMOIMIE Declarations under Rule 4.17: — as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(H)) — as to the applicant's entitlement to claim the earlier application (Rule 4.17(iii)) priority of the Published: — with international search report (Art. 21(3))