Patent SG-11201909860R-A (SG)
Title: Apparatus and method for the non-destructive measurement of hydrogen diffusivity
Inventor: TRAIDIA ABDERRAZAK
IPC: G01N27/00
Filed: 2018-04-25
Abstract: Hydrogenoxidation surface Outerseal METALLIC STRUCTURE Hydrogen charging surface 210 220 ' N \" -- 205 Inner wall FIG. 2A (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 01 November 2018 (01.11.2018) WIPO I PCT omitia °nolo Holonlioillin ono oimIE (10) International Publication Number WO 2018/200633 Al O O 00 O C (51) International Patent Classification: GO1N 33/20 (2006.01) GO1N 27/00 (2006.01) GO1N 17/00 (2006.01) GO1N 13/00 (2006.01) (21) International Application Number: PCT/US2018/029298 (22) International Filing Date: 25 April 2018 (25.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/530,697 28 April 2017 (28.04.2017) 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: TRAIDIA, Abderrazak; c/o Saudi Arabi- an Oil Company, P.O. Box 62, Dhahran, 31311 (SA). SHAHRANI, Mohammed; c/o Saudi Arabian Oil Compa- ny, P.O. Box 8180, Dhahran, 31311 (SA). DUVAL, Seba- sitien, A.; c/o Saudi Arabian Oil Company, P.O. Box 62, Dhahran 31311 (SA). (74) Agent: LEASON, David 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, 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)) — (54) Title: APPARATUS AND METHOD FOR THE NON-DESTRUCTIVE MEASUREMENT OF HYDROGEN DIFFUSIVITY (57) : Apparatuses and methods of measuring a hydrogen diffusivity of a metal structure including during operation of the metal structure, are provided. A hydrogen charging surface is provided at a first location on an external surface of the structure. In addition, a hydrogen oxidation surface is provided at a second location adjacent to the first location on the external surface of the structure. Hydrogen flux is generated and directed into the metal surface at the charging surface. At least a portion of the hydrogen flux generated by the charging surface is diverted back toward the surface. A transient of the diverted hydrogen fluxes measured, and this measurement is used to determine the hydrogen diffusivity of the metal structure in service.