Patent SG-11201900045P-A (SG)
Title: Systems and Methods for Controlling Fluid Flow in a Wellbore Using a Switchable Downhole Crossover Tool
Inventor: GAO BO
IPC: E21B34/06
Filed: 2016-09-23
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD HIM 0 11101 0I0 11111 01 II 0 0111111 100 HO 10 10 110 11110 ill OEN Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\" WO 2018/057000 Al 29 March 2018 (29.03.2018) WIP0 I PCT (51) International Patent Classification: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, E21B 33/13 (2006.01) E21B 34/06 (2006.01) CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, E21B 33/14 (2006.01) DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (21) International Application Number: HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, PCT/US2016/053449 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, (22) International Filing Date: PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, 23 September 2016 (23.09.2016) SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (25) Filing Language: English (26) Publication Language: English (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, (71) Applicant: HALLIBURTON ENERGY SERVICES, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, INC. [US/US]; 3000 North Sam Houston Parkway East, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, Houston, Texas 77032-3219 (US). 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, (72) Inventors: GAO, Bo; 19118 Lost Mine Trl., Spring, Texas MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 77388 (US). HELMS, Lonnie C.; 17031 Stones River TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, Lane, Humble, Texas 77346 (US). GADRE, Aniruddha; KM, ML, MR, NE, SN, TD, TG). 42 Lindenberry Circle, The Woodlands, Texas 77389 (US). HU, Yuzhu; 27363 Pendleton Trace, Spring, Texas 77386 Published: (US). MAKOWIECKI, Gary; 1631 Sterling Village Dr., with international search report (Art. 21(3)) — Spring, Texas 77386 (US). — = _ (74) Agent: SINTON, James K. et al.; Chamberlain, Hrdlicka, = 1200 Smith Street, 14th Floor, Houston, Texas 77002 (US). = (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (54) Title: Systems and Methods for Controlling Fluid Flow in a Wellbore Using a Switchable Downhole Crossover Tool = (57) : A system, method, and tool for controlling fluid in a wellbore. The /oo system comprises a tubing string locatable in the wellbore and a crossover tool \"..— A) for enabling reverse circulation in the wellbore. The crossover tool comprises a 120 ( = tool body, a sleeve, a drag block assembly, and a packer assembly. The tool body Ai. comprises a bore in fluid communication with the tubing string and a valve in the = bore. The sleeve is located in the tool body and controls the valve based on the _ -....- _ axial position of the sleeve in the tool body. The drag block assembly is coupled to 116 -..-- ,.. 122 the sleeve through the tool body and engages the wellbore to resist axial movement = 118 = ii ti 102 = INIOINIOIMINIII 106 of the sleeve relative to the tool body. The packer assembly is coupled to the tool = 106 - = — 110- - - = 124- 128 - 11 © 734- i132 © © IN © \ _ _ 1 body and creates a fluid barrier in the annulus formed between the tubing string 112 104 and the wellbore. 4 130 26 11 © ei FIG. 1 C