Patent SG-11201907821V-A (SG)
Title: Duan bit run bushing system and method
Inventor: SILVEIRA HELVECIO CARLOS KLINKE
IPC: E21B33/068
Filed: 2018-02-23
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 30 August 2018 (30.08.2018) WIP0 I PCT oimiolollm °nolo moll Em mom!! niou oimIE (10) International Publication Number WO 2018/156873 Al (51) International Patent Classification: E21B 33/068 (2006.01) E21B 33/04 (2006.01) (21) International Application Number: PCT/US2018/019384 (22) International Filing Date: 23 February 2018 (23.02.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/462,620 23 February 2017 (23.02.2017) US (71) Applicant: VETCO GRAY INC. [US/US]; 4424 West Sam Houston Pkwy North, Suite 100, Houston, TX 77041 (US). (72) Inventors: SILVEIRA, Helvecio Carlos Klinke, Da; Rodovia De Acesso Joao De Goes, 2300, Jandira SP 06612-010 (BR). VERDAN, Deivis, Alves; Rodovia De Acesso Joao De Goes, 2300, Jandira SP 06612-010 (BR). VIEIRA, Carlos, Alexandremarinhololo; Rodovia De Acesso Joao De Goes, 2300, Jandira SP 06612-010 (BR). BORNIA, Guaraci; Rodovia De Acesso Joao De Goes, 2300, Jandira SP 06612-010 (BR). (74) Agent: DOMBROWSKI, Joanna, M. et al.; General Elec- tric Company, Global Patent Operation, 901 Main Avenue, 3rd Floor, Norwalk, CT 06851 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, 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, MG, MK, MN, MW, MX, MY, MZ, NA, NG, 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, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, 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, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (54) Title: DUAN BIT RUN BUSHING SYSTEM AND METHOD (57) : A system includes a housing section (18, 20) positioned within a wellhead area (14), the housing section (18, 20) also includes a removable well- head bushing (50) arranged over at least one engagement feature (28) of the hous- ing section (18, 20). The system also includes a Christmas tree (22) including a treehead area (14), the treehead area (14) including a removable treehead bushing (80) arranged over at least one engagement feature (94) of the treehead area (14). 22 The system further includes a tubular (112) extending through both the wellhead bushing (50) and the treehead bushing (80), wherein the tubular (1 12) includes an installation and removal tool (116) adapted to remove at least one of the wellhead bushing (50) and the treehead bushing (80) during wellbore operations. [Continued on next page] ,1 a W O 20 18/ 15 687 3 Al WO 2018/156873 Al MIDEDIMOHNOBEIE3111111111111111111111111111111111111111111111111 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 priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))