SG11201805696VA - Sealing apparatus for high pressure high temperature (hpht) applications - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization M1111101110101011111 HO 11111 01E3 I0110101101 MO MN III 11 International Bureau 0.. .... .. ..... ...,/ (10) International Publication Number (43) International Publication Date WO 2017/151094 Al 8 September 2017 (08.09.2017) WIP0 I P C T (51) International Patent Classification: (74) Agent: HALBUR, Zachary A.; Suite 700, Haynes and E21B 33/10 (2006.01) F16J 15/32 (2006.01) Boone, LLP, IP Section, 2323 Victory Avenue, Dallas, F16J 15/16 (2006.01) Texas 75219 (US). (21) International Application Number: (81) Designated States (unless otherwise indicated, for every PCT/US2016/020063 kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (22) International Filing Date: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, 29 February 2016 (29.02.2016) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (25) Filing Language: English HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, (26) Publication Language: English MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, (71) Applicant: HALLIBURTON ENERGY SERVICES, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, INC. [US/US]; 3000 N. Sam Houston Parkway E., Hous- SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, ton, Texas 77032 (US). TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (72) Inventors: KOHN, Gary Allen; 2101 Cannes Drive, Car- (84) Designated States (unless otherwise indicated, for every rollton, Texas 75006 (US). FURLONG, Shane Patrick; kind of regional protection available): ARIPO (BW, GH, 1523 Marble Falls Drive, Frisco, TX 75034 (US). YIN, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, Shengjun; 4519 Fallmeadow Drive, Frisco, Texas 75034 TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (US). TJ, TM), European (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, [Continued on next page] = (54) Title: SEALING APPARATUS . F -- = = 114 FOR HIGH PRESSURE HIGH TEMPERATURE (HPHT) APPLICATIONS (57) : A sealing apparatus and related method for sealing an annular 62 I space between concentrically disposed members. In an exemplary embodi- I ment, the method includes providing a sealing ring within the annular space, 100 118 = = = = 128 = = 126a I = 138 — = /142 144a 41 IPA 136a 148a 148 = 148b 146 156 = / / / 160,, P S I I I 164 c, I 102 116 _ 104 132 . iii l, 124 111441411p 106 144c 0. 0 ,- 4 \ III 134 g i 1 108 1 110 1111 1% 154 L ,Ij A . 52 I 120 130 12613 140 1 144b 6, 136b I 150a 150 150b 152 158 I 166 defining inclined interior 58* 56 the sealing ring oppositely and exterior surfaces each having a generally frusto-conical shape and defining opposing first and second edges, a nose adjoining the respective first edges of the interior and exterior surfaces, and a first convex surface adjoining the respective second edges of the interior and exterior surfaces opposite the nose; and forming a seal against a fluid pressure in the annular space, comprising depressing the first convex surface of the sealing ring so that the interior and exterior sur - faces thereof expand radially to exert contact stress on each of the concentric - ally disposed members. © I 44 162 Il Il --.... Fig. 3 IN 1-1 0 ei 54 46 64 0 WO 2017/151094 Al 1#11101M01101DEIROIDEOMOIEM0101101111111111111110110111111 SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, Published: GW, KM, ML, MR, NE, SN, TD, TG). — with international search report (Art. 21(3)) Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv))