SG11201901356VA - Top-down squeeze system and method - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD HIM 0 11101 HOE 3E1 0 011101111110111111111111110 1111 011 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\"1 WO 2018/093346 Al 24 May 2018 (24.05.2018) WIP0 1 PCT (51) International Patent Classification: HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, E21B 33/134 (2006.01) E21B 33/14 (2006.01) KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, (21) International Application Number: MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PCT/US2016/061986 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, (22) International Filing Date: TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 15 November 2016 (15.11.2016) (84) Designated States (unless otherwise indicated, for every (25) Filing Language: English kind of regional protection available): ARIPO (BW, GH, (26) Publication Language: English GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (71) Applicant: HALLIBURTON ENERGY SERVICES, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, INC. [US/US]; 3000 N. Sam Houston Pkwy E., Houston, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, TX 77032 (US). 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, (72) Inventors: STROHLA, Nicholas, Lee; 5219 Maple Av- KM, ML, MR, NE, SN, TD, TG). enue, Apt. 1202, Dallas, TX 75235 (US). GRAY, Matthew, Ryan; 18788 Marsh Lane, Apt. 632, Dallas, TX 75287 Declarations under Rule 4.17: (US). MOELLER, Daniel, Keith; 1180 Nobel Avenue, Ar- — of inventorship (Rule 4.17(iv)) gyle, TX 76226 (US). (74) Agent: HILTON, Robert et al.; McGuirewoods LLP, 1750 Published: — with international search report (Art. 21(3)) _ Tyson Blvd., Suite 1800, Tysons Corner, VA 22102 (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, = (54) Title: TOP-DOWN SQUEEZE SYSTEM AND METHOD (57) : A downhole tool subassembly having an outer sleeve with a first set of apertures = 200 extending from an inner bore through an external surface of the outer sleeve. The downhole tool 202 subassembly further includes a pin coupled to the outer sleeve and extending inward from the inner = ? bore the inner the The inner of outer sleeve, and an sleeve slidingly engaged with with outer sleeve. sleeve has a slot and a second set of apertures extending from a sleeve bore of the inner sleeve through an external surface of the inner sleeve, and is operable to restrict flow across the first set of apertures T - 1 - I ' 1 -- Q l ro - 4\" --- n r) r - , s ., — NJ 4__ z___, PO ) 0 0 0 ' -. r' CD 0 CO when the inner sleeve is in a first position. The pin engages the slot, which includes a first tracking path and a second tracking path. The slot also includes a first transition path extending from the first tracking path to the second tracking path. . .. tr.. GC 210 Il FIG. 3 0 ei 0