Patent SG-11201806978W-A (SG)
Title: Inverted pull-up riser tensioner
Inventor: KUBICHEK BENJAMIN
IPC: E21B19/00
Filed: 2017-03-02
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 111111110111101110101011111 HO 11111011101 Ell O EM 01111101111101111001111 International Bureau 0.. .... .. (10) International Publication Number (43) International Publication Date ...... ... WO 2017/151829 A3 8 September 2017 (08.09.2017) WIP0 I PCT (51) International Patent Classification: HAVELKA, Daniel, Louis; 12221 N. Houston Rosslyn E21B 19/00 (2006.01) Road, Houston, TX 77086 (US). WAGNER, Robert, (21) International Application Number: James; 12221 N. Houston Rosslyn Road, Houston, TX PCT/US2017/020302 77086 (US). (22) International Filing Date: (74) Agents: DOMBROWSKI, Joanna, M. et al.; General Electric Company, Global Patent Operation, 901 Main Av- 2 March 2017 (02.03.2017) enue, 3rd Floor, Norwalk, CT 06851 (US). (25) Filing Language: English (81) Designated States (unless otherwise indicated, for every (26) Publication Language: English kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (30) Priority Data: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, 62/302,549 2 March 2016 (02.03.2016) US DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, 15/434,986 16 February 2017 (16.02.2017) US HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, (71) Applicant: VETCO GRAY INC. [US/US]; 4424 West KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, Sam Houston Pkwy North, Suite 100, Houston, TX 77041 MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, (US). 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, (72) Inventors: KUBICHEK, Benjamin, James; 12221 N. TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, Houston Rosslyn Road, Houston, TX 77086 (US). ZA, ZM, ZW. PALLINI, Joseph, William; 12221 N. Houston Rosslyn _ Road, Houston, TX 77086 (US). RIHA, Jesse, B.; 12221 (84) Designated States (unless otherwise indicated, for every — N. Houston Rosslyn Road, Houston, TX 77086 kind of regional protection available): ARIPO (BW, GH, = (US). [Continued on next page] = (54) Title: INVERTED PULL-UP RISER TENSIONER (57) : Embodiments of the present disclosure in- = = 13 dude rod a riser tensioner (11) includes a cylinder barrel (21), a (25) reciprocally carried within the cylinder barrel and an external end sealingly extending out of a proximal = having I end of the cylinder barrel, and a piston (47) on an interior end = = of the rod that slides and seals against an inner surface of the = 17 cylinder barrel. The tensioner further includes a selectively = sealed low chamber (51) in the cylinder barrel pressure 27 between the piston and a distal end of the cylinder barrel and = tillable with a low pressure fluid, and a selectively sealed an- nulus (49) between the rod and the cylinder barrel, the annu- lus extending between the piston and the proximal end of the = = cylinder barrel and fillable with an annulus fluid at a pressure 25 higher than the low pressure fluid, thereby urging the piston and rod towards retraction. — 21 = = 19 — = M C:r ei 15 23 Ot 1-1 in 1-1 FIG. 1 IN 1-1 0 ei O WO 2017/151829 A3 1#11101MOHIMIIMME3110110EMOMMEN GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, — as to the applicant's entitlement to claim the priority of TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, the earlier application (Rule 4.17(iii)) DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, Published: LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, with international search report (Art. 21(3)) GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). — before the expiration of the time limit for amending the claims and to be republished in the event of receipt of Declarations under Rule 4.17: amendments (Rule 48.2(h)) — as to applicant's entitlement to apply for and be granted (88) Date of publication of the international search report: a patent (Rule 4.17(ii)) 5 October 2017