Patent SG-11201901780X-A (SG)
Title: Underwater pipeline inspection crawler
Inventor: Al Nahwi Ammar
IPC: B63C11/52
Filed: 2017-08-29
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 29 March 2018 (29.03.2018) WIP0 I Iiiimmoilloiollmonoloolmooliollooliflovoimill (10) International Publication Number WO 2018/057250 Al PCT (51) International Patent Classification: B63C 11/52 (2006.01) B08B 9/023 (2006.01) (21) International Application Number: PCT/US2017/049011 (22) International Filing Date: 29 August 2017 (29.08.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/397,175 20 September 2016 (20.09.2016) US 15/677,509 15 August 2017 (15.08.2017) US (71) Applicant: SAUDI ARABIAN OIL COMPANY [SA/SA]; 1 Eastern Avenue, Dhahran, 31311 (SA). (71) Applicant (for US only): ARAMCO SERVICES COM- PANY [US/US]; 9009 West Loop South, Houston, TX 77096 (US). (72) Inventors: AL NAHWI, Ammar; Saudi Arabian Oil Com- pany, Research & Development Center, Room A-318, Floor 3, Dhahran, 31311 (SA). ABDELLATIF, Fadl; Room 1-355, Bldg. 24 (RPIC-3), King Abdullah University of Science and Technology, Thuwal, 23955-6900 (SA). OU- TA, Ali; Room 1-355, Bldg. 24 (RPIC-3), King Ab- dullah University of Science and Technology, Thuwal, 23955-6900 (SA). AL-TALE, Ihsan; Saudi Arabian Oil Company, R-GC-121, Research & Development Center, Bldg. 2297, Dhahran, 31311 (SA). (74) Agent: WERTS, Jarryd et al.; Leason Ellis LLP, One Barker Avenue, Fifth Floor, White Plains, NY 10601 (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, JO, JP, KE, KG, KH, 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, (54) Title: UNDERWATER PIPELINE INSPECTION CRAWLER 702 704 135 N O cc O C X138 FIG.7B (57) : A system for underwater inspection including an inspection crawler (702) is provided wherein the inspection crawler (702) includes a housing (704) having first and second sides, a power source, a controller, an inspection tool, at least two pairs of driving wheels, and a moveable center of gravity, and a method for traversing a weld joint with the inspection crawler having a moving mass 734), wherein the crawler is parked proximate to the joint (138), and the mass is slid along a slide rail (736) to the second end of the crawler distal to the joint. The first end of the crawler is then propelled over the joint and the mass is slid to the center of the crawler. A center portion of the crawler is then propelled over the joint and the mass is slid to the first end of the crawler. The second end of the crawler is then propelled over the joint. [Continued on next page] WO 2018/057250 Al MIDEDIMOMOIDEIREIDIONIMMHOHINHOMEHOIMI 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). Published: — with international search report (Art. 21(3))