SG11201804518TA - A method to design geophysical surveys using full wavefield inversion point-spread function analysis - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau irst0) (43) International Publication Date ..... ..sr ,„,„0 22 June 2017(22.06.2017) WIPO I PCT ID Hit (10) WO 11111111111111111111 International Ell DM 2017/105954 DENIM Publication Mil Al Number 11111111t111111111IIIIII (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every GO1V 11/00 (2006.01) GO1V 1/00 (2006.01) kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (21) International Application Number: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, PCT/US2016/065322 DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (22) International Filing Date: HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, 7 December 2016 (07.12.2016) KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (25) Filing Language: English OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (26) Publication Language: English 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, (30) Priority Data: ZW. 62/269,212 18 December 2015 (18.12.2015) US (84) Designated States (unless otherwise indicated, for every (71) Applicant (for all designated States except US): EXXON- kind of regional protection available): ARIPO (BW, GH, MOBIL UPSTREAM RESEARCH COMPANY GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, [US/US]; CORP-URC-E2.4A.296, 22777 Springwoods TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, Village Parkway, Spring, TX 77389 (US). TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, (72) Inventors; and 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, (71) Applicants or US only): BURNETT, William, A. SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, [US/US]; 1530 Skinner Road, Houston, TX 77093 (US). TERRELL, Martin, J. [US/US]; 27415 Buena Way, GW, KM, ML, MR, NE, SN, TD, TG). Spring, TX 77386 DIMITROV, Pavel Declarations Rule 4.17: (US). [CA/US]; under 158 Bauer Point Cir, Spring, TX 77389 DICKENS, (US). be Thomas, A. 9239 Buffalo Speedway, Houston, as to applicant's entitlement to apply for and granted a [US/US]; patent (Rule 4.170) TX 77025 (US). TANG, Yaxun [CN/US]; 301 Pruitt Rd., #1630, Spring, TX 77380 (US). ROUTH, Partha, S. — as to the applicant's entitlement to claim the priority of the [US/US]; 22418 Bristolwood Ct, Katy, TX 77494 (US). earlier application (Rule 4.17(iii)) CURRY, William [CA/US]; 2322 Welch Street, Houston, Published: TX 77019 WILLEN, Dennis, E. 8135 (US). [US/US]; Laughing Falcon Trail, Cornoe, TX 77385 (US). — with international search report (Art 21(3)) (74) Agents: WRKICH, Joseph, E. et al.; Exxonmobil Up- stream Research Company, CORP-URC-E2.4A.296, 22777 Parkway, TX Springwoods Village Spring, 77389 (US). (54) Title: A METHOD TO DESIGN GEOPHYSICAL SURVEYS USING FULL WAVEFIELD INVERSION POINT-SPREAD FUNCTION ANALYSIS r ioi c io3 109 1 c 105 1107 1 I I l .4t Gathe prior r information l-40-- S pecify inft al c,andzate survey design 0 -err Extract PSF informal on using FAN' -Sr- Ana yze PSFs andror the e properties B -a-cars Evaluate date sn ey design -113 v 1 Ci 115 in Lpoate candidate Ye . Compare to other results and Cr\ in surrey des on rev out survey O 11 IN Il O (57) : A method, including: determining, \" performing at least a portion of a first iteration of an iterative full wavefield inversion process; determining at least one property for C each of the point spread functions; and evaluating a candidate survey design based on the at least one property for each of the point spread functions. Interactive cr automate d optimization scheme FIG. I with a computer, point spread functions for a plurality of parameter locations by