SG11201808265WA - Determining displacement between seismic images using optical flow - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 11M1111101110101011111 HO 11111 0111010111 0111 100 1110 111111111111111 0111111 International Bureau 0.. .... .. ...... ... (10) International Publication Number (43) International Publication Date WO 2017/172374 Al 5 October 2017 (05.10.2017) IN I PO I P CT (51) International Patent Classification: GO1V 1/30 (2006.01) (21) International Application (22) International Filing Date: (25) Filing Language: (26) Publication Language: (30) Priority Data: 62/316,428 31 March (71) Applicant: BP CORPORATION INC. [US/US]; 501 Westlake TX 77079 (US). (72) Inventors: ZHANG, Qie; 200-1W, Naperville, IL 60563 Warrenville Road, MC 200-1W, Naperville, IL 60563 (US) (74) (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, Number: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, PCT/US2017/022759 DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, 16 March 2017 (16.03.2017) KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, English NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, English 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. 2016 (31.03.2016) US (84) Designated States (unless otherwise indicated, for every NORTH AMERICA kind of regional protection available): ARIPO (BW, GH, Park Boulevard, Houston, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, 150 W. Warrenville Road, MC TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, (US). DU, Bonsen; 150 W. 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). American Inc., 150 W. War- Published: Naperville, IL 60563 (US). — with international search report (Art. 21(3)) Agent: REED, KaRan; BP — renville Road, MC 200-1W, _ — = = = = = BETWEEN SEISMIC IMAGES USING OPTICAL FLOW 0 ,-22 30 — (54) Title: DETERMINING DISPLACEMENT = = — = 32 = • 3636 36 36 36 36 1 34 • / II / 24 • rr / / / c26 rr = = = — = — — — 11 2 ,.._ IN en ei IN 1-1 ---- (57) : A method for aligning IN ceiving the seismic images and determining a first respective relative shift volume between a first seismic image and a second seis - mic image, a second respective relative shift volume between the first seismic image and a third seismic image, and a third respective ei relative shift volume between the 0 shift volume associated with the the first, second, and third respective relative shift volumes. The method may then apply the first shift volume to the first seismic im - .,- age and the second shift volume to the second seismic image. -- FIG. 2 a plurality of seismic images associated with a subsurface region of the Earth may include re - second seismic image and the third seismic image. The method may include determining a first first seismic image and a second shift volume associated with the second seismic image based on