Patent SG-11201810324Q-A (SG)
Title: Adaptive signal detection for communicating with downhole tools
Inventor: WALTON ZACHARY WILLIAM
IPC: G01V3/18
Filed: 2016-09-07
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101111 0 DOI HIM 011101 0 011111111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\" WO 2018/048392 Al 15 March 2018 (15.03.2018) WIP0 I PCT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every E21B 47/12 (2006.01) GO1V 1/40 (2006.01) kind of national protection available): AE, AG, AL, AM, GO1V 3/18 (2006.01) E21B 47/06 (2006.01) AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (21) International Application Number: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, PCT/US2016/050507 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, KZ, LA, (22) International Filing Date: LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, 07 September 2016 (07.09.2016) 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, (25) Filing Language: English SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, (26) Publication Language: English UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: HALLIBURTON ENERGY SERVICES, (84) Designated States (unless otherwise indicated, for every INC. [US/US]; 3000 N. Sam Houston Parkway E., Hous- kind of regional protection available): ARIPO (BW, GH, ton, Texas 77032-3219 (US). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (72) Inventors: WALTON, Zachary William; 2204 South-TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, ern Ct., Carrollton, Texas 75006 (US). KYLE, Donald EE, ES, Fk FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, G.; 3000 N. Sam Houston Parkway E., Houston, Texas MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 77032-3219 (US). MERRON, Matthew James; 2705 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, Carmel, Carrollton, Texas 75006 (US). FRIPP, Michael KM, ML, MR, NE, SN, TD, TG). _ Linley; 3826 Cemetery Hill Road, Carrollton, Texas 75006 (US). = Declarations under Rule 4.17: (74) Agent: KAISER, Iona et al.; McDermott Will & Emery — as to applicant's entitlement to apply for and be granted a = LLP, 500 North Capitol Street, N.W., Washington, District patent (Rule 4.1700) — of Columbia 20001 (US). = = (54) Title: ADAPTIVE SIGNAL DETECTION FOR COMMUNICATING WITH DOWNHOLE TOOLS 100 = = 4 1 0411. 11 = = Amm (57) : Communication from a well surface location at a well site to a downhole tool positioned within a wellbore may be performed such that fluid flow is not restricted through the down- hole tool. For example, a method may include: sending a signal 104 I lii from an uphole location to a downhole tool located in a wellbore, 108 wherein the signal comprises at least one event selected from the group consisting of a magnetic wellbore projectile, an acoustic 1 pulse, and a pressure change; taking measurements with a sensor _ LLIL-L:1-111= coupled to the downhole tool, wherein the sensor is at least one se- = VN I1 / 4 - l l . = = — M ' 7WW\" ' NV lected from the group consisting of a magnetic sensor, an acoustic sensor, and a pressure sensor; identifying the signal based on at least one of the measurements greater than an adaptive threshold = I value; and actuating the downhole tool from a first configuration 106 = to a second configuration upon identification of the signal. 102 1-1 110 --\". ei t:T M cc ii- © -.... ,-1 © ei FIG. 112 104 116 1 C [Continued on next page] WO 2018/048392 Al MIDEDIMOM0101011EFIERIEDIMMIEOCHIHIMOVOIMIE Published: — with international search report (Art. 21(3))