Patent SG-11201809965Q-A (SG)
Title: Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements
Inventor: JARVIS LESLIE
IPC: G01K7/16
Filed: 2017-05-26
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property C.--.` MD HIM 0 11101 HOE 010 1111 1 0 01010 HI 001011M 00 11110 1111 MI Organization International Bureau (10) International Publication Number 03 (43) International Publication Date ......\"' WO 2017/203293 Al 30 November 2017 (30.11.2017) WIPO I PCT (51) International Patent Classification: (72) Inventors: JARVIS, Leslie; Liathach, Woodcot Lane, E21B 47/06 (2012.01) G01K 7/16 (2006.01) Stoenhaven, Aberdeenshire AB39 2GJ (GB). ROSS, (21) International Application Number: Shaun Compton; West Cults House, 493 North Deeside PCT/GB2017/051523 Road, Aberdeen, Aberdeenshire AB15 9ES (GB). (22) International Filing Date: (74) Agent: HGF LIMITED (ABERDEEN); 1 City Walk, 26 May 2017 (26.05.2017) Leeds, West Yorkshire LS11 9DX (GB). (25) Filing Language: English (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (26) Publication Language: English AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (30) Priority Data: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, 1609291.8 26 May 2016 (26.05.2016) GB 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, KP, KR, (71) Applicant: METROL TECHNOLOGY LIMITED KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, [GB/GB]; Unit 24, Kirkhill Place, Kirkhill Industrial Estate, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, Dyce, Aberdeen, Aberdeenshire AB21 OGU (GB). 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. (54) Title: APPARATUSES AND METHODS FOR SENSING TEMPERATURE ALONG A WELLBORE USING SEMICONDUC- TOR ELEMENTS Power source 140 Comms module 150 100 _., L Control — module 130 160 120a - 110 120b 115 ....._ • 120c 120d 111 120e 120n Figure 1 '' '':'::-3:-- ----- --112 en (57) : Apparatus (100) for use in sensing temperature in a wellbore, comprising: tubing (110) comprising a plurality of tern- tz' \" perature sensor modules (120, 320, 420, 520, 620, 720) provided at locations along the inside of the tubing, said temperature sensor M modules comprising temperature sensors (321, 421) provided at least in part by at least one semiconductor element having electrical © properties that vary with temperature; an electrical network (115) configured to electrically connect to the semiconductor elements to ei ---- in use allow measuring of the respective electrical properties of the semiconductor elements to infer a thermal characteristic of the , i t---- semiconductor element; and at least one control module (130, 330, 430) electrically connected to multiple temperature sensor modules, ::::;) via the electrical network, and configured to receive and process an electrical signal associated with the temperature sensor modules to N enable inference of the temperature of the semiconductor elements and the environment to which the tubing is exposed at the location O [Continued on next page] WO 2017/203293 Al MIDEDIMOMOIDEIRMEM0010101110010EMMOVOIMIE (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)) of that semiconductor element.