Patent SG-11201804122P-A (SG)
Title: Reliability assessable systems for actuating hydraulically actuated devices and related methods
Inventor: LEACH ANDREW
IPC: F15B1/033
Filed: 2016-11-17
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property - Organization International Bureau ires.. 00) (43) International Publication Date ..... .....) 26 May 2017(26.05.2017) WIPO I PCT (10) WO International 111111111111311111111111111111111111111111111111111111111111111111111111111111111111111111 2017/087684 Publication Al Number (51) International Patent Classification: (74) Agent: ALBRIGHT, F15B 1/033 (2006.01) E21B 33/038 (2006.01) US LLP, 98 San Jacinto E21B 33/03 (2006.01) E21B 33/064 (2006.01) 78701 (US). E21B 33/035 (2006.01) F15B 1/00 (2006.01) (81) Designated States (unless (21) International Application Number: kind of national protection PCT/US2016/062551 AO, AT, AU, AZ, BA, BZ, CA, CH, CL, CN, (22) International Filing Date: DO, DZ, EC, EE, EG, 17 November 2016 (17.11.2016) HN, HR, HU, ID, IL, IN, (25) Filing Language: English KW, KZ, LA, LC, LK, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (26) Publication Language: English OM, PA, PE, PG, PH, (30) Priority Data: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, 62/256,387 17 November 2015 (17.11.2015) US TN, TR, TT, TZ, UA, ZW. (71) Applicant (for all designated States except US): TRANSOCEAN INNOVATION LABS LTD; 70 Har- (84) Designated States (unless bow Drive, 4th Floor, George Tower, Grand Cayman, kind of regional protection KY1-1003 (KY). GM, KE, LR, LS, MW, TZ, UG, ZM, ZW), Eurasian (72) Inventors; and TJ, TM), European (AL, (71) Applicants (for US only): LEACH, Andrew [US/US]; DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, Jeremy, B.; Norton Rose Fulbright Blvd., Suite 1100, Austin, TX otherwise indicated, for every available): AE, AG, AL, AM, BB, BG, BH, BN, BR, BW, BY, CO, CR, CU, CZ, DE, DJ, DK, DM, ES, FI, GB, GD, GE, GH, GM, GT, IR, IS, JP, KE, KG, KN, KP, KR, LR, LS, LU, LY, MA, MD, ME, PL, PT, QA, RO, RS, RU, RW, SA, UG, US, UZ, VC, VN, ZA, ZM, otherwise indicated, for every available): ARIPO (BW, GH, MZ, NA, RW, SD, SL, ST, SZ, (AM, AZ, BY, KG, KZ, RU, AT, BE, BG, CH, CY, CZ, DE, C/o Transocean Innovation Labs Ltd, 70 Harbour Drive, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, 4th Floor, George Town, Grand Cayman, KY1-1003 (KY). SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, BOIKE, Matthew [US/US]; C/o Transocean Innovation GW, KM, ML, MR, NE, SN, TD, TG). Labs Ltd, 70 Harbour Drive, 4th Floor, George Town, Published: Grand Cayman, KY1-1003 (KY). FAIRFAX, Stephen [US/US]; C/o Transocean Innovation Labs Ltd, 70 Har- — with international search report (Art 21(3)) bow Drive, 4th Floor, George Town, Grand Cayman, KY1-1003 (KY). Title: RELIABILITY ASSESSABLE FOR ACTUATING HYDRAULICALLY ACTUATED DEVICES AND RE- (54) SYSTEMS LATED METHODS NOMINAL - ANTROL VS Z SORSS 134 i -----x = -A i T r 10a \".* (!) I 4 1 1 ,-+-4 HOT LINE 1 AS NOT t NE 2 315 CM -4. 38 1 0 [ 98 Jr _ ,___ 0 1_ 1 114 8 CJ m NEU * uumi 4 AVM -S... (-T) 0 HOT -INC 1 1 0 --i. 114 130 ) HOT LINE 2 • 31 GAL RES 5 ERVOIR V c ® _I 4 _1 _ 146 --____, 130 98 42 Il „cu in 0 38 yk-] T ' \" C\ '--- 54 62 .4t 150' 130 il• 287 148 146 cc FIG. 1 IC - - GC o (57) : Some of the present systems include a hydraulic power storage system having an accumulator configured to supply ---- pressurized hydraulic fluid to a hydraulically actuated device to actuate the hydraulically actuated device and a drain in fluid com - munication with the accumulator and including a valve that is actuatable to drain hydraulic fluid from the hydraulic power storage 1-1 c:::, system such that an internal pressure of the accumulator is reduced and a flow restrictor configured to reduce a flow rate of hydraulic ei fluid through the valve, a hydraulic pump configured to pressurize the accumulator, a pressure sensor configured to capture data in - Q dicative of the internal pressure of the accumulator, and a processor configured to actuate the hydraulic pump to increase the internal pressure of the accumulator if the internal pressure of the accumulator, as indicated in data captured by the pressure sensor, falls be - .,- low a threshold pressure.