SG11201901538PA - Top-down squeeze system and method - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 24 May 2018 (24.05.2018) ill Hu omits I iolo 0111111011001110 EEO #011 (10) International Publication Number WO 2018/093347 Al WIPO I PCT (51) International Patent Classification: E21B 33/13 (2006.01) E21B 33/134 (2006.01) (21) International Application Number: PCT/US2016/061988 (22) International Filing Date: 15 November 2016 (15.11.2016) (25) Filing Language: English (26) Publication Language: English (71) Applicant: HALLIBURTON ENERGY SERVICES, INC. [US/US]; 3000 N. Sam Houston Pkwy E., Houston, TX 77032 (US). (72) Inventors: STROHLA, Nicholas, Lee; 5219 Maple Av- enue, Apt. 1202, Dallas, TX 75235 (US). GRAY, Matthew, Ryan; 18788 Marsh Lane, Apt. 632, Dallas, TX 75287 (US). MOELLER, Daniel, Keith; 1180 Nobel Avenue, Ar- gyle, TX 76226 (US). (74) Agent: HILTON, Robert et al.; McGuireWoods LLP, 1750 Tysons 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, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, 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). Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3)) = (54) Title: TOP-DOWN SQUEEZE SYSTEM AND METHOD (57) : A downhole tool subassembly has an outer sleeve with a first set of apertures extending from an inner bore of the outer sleeve. An intermediate sleeve positioned is within the outer sleeve and defines an intermediate flow path extending from an inner bore of the intermediate sleeve to a cavity formed between the uphole portion of the outer sleeve and the downhole portion of the intermediate sleeve. An inner sleeve is positioned within the intermediate sleeve and has an external sealing portion that restricts 576 532 577 582 524 538 562 537 504 542 FIG. 16 500 536 522 501 540 536 W O 20 18/0933 47 Al 524 flow across the intermediate flow path when the downhole tool is in a first configuration. PNVAWNN 0$.0 4 ii meillp 524 04 IL , 1 k0 0 572 580 11 P I 4e , 506 I 508 I 524 1 P O .4' 1 o. e NIA IN 0 0 562 538 537 522