SG11201907993XA - Cam indexing apparatus - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 03 January 2019 (03.01.2019) WIP0 I PCT omit 100 0010111 io Elio lII ois (10) International Publication Number WO 2019/005029 Al (51) International Patent Classification: E21B 23/00 (2006.01) E21B 17/00 (2006.01) (21) International Application Number: PCT/US2017/039665 (22) International Filing Date: 28 June 2017 (28.06.2017) Filing Language: English Publication Language: English Applicant: HALLIBURTON ENERGY SERVICES, INC. [US/US]; 3000 N. Sam Houston Parkway E., Hous- ton, Texas 77032 (US). (72) Inventor: NAPIER, Rory Archibald; Broomley Mews, Montrose DD10 9LQ (GB). (74) Agent: RUSSELL, Dean W. et al.; Kilpatrick Townsend & Stockton LLP, 1100 Peachtree Street, Suite 2800, Atlanta, Georgia 30309 (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). Published: — with international search report (Art. 21(3)) (25) (26) (71) (54) Title: CAM INDEXING APPARATUS 1C0 (57) : An indexing apparatus for use with a downhole tool may include a tubu- lar body and a mandrel. The tubular body may have a first end and a second end. The tubular body may also have a plurality of body detents on the second end of the tubular body and a recess in a surface of the tubular body. The mandrel may include a plurality of mandrel detents on a surface of the mandrel. The mandrel detents may be sized and shaped to engage with the body detents on the second end of the tubular body. The in- dexing apparatus may also include a cam sized to be received in the recess of the surface of the tubular body and a spring coupled to the first end of the tubular body. W O 20 19/005 0 29 Al FIG. 1