Patent SG-11201809971X-A (SG)
Title: Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules comprising a crystal oscillator
Inventor: JARVIS LESLIE DAVID
IPC: E21B47/06
Filed: 2017-05-26
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 111111111111111111 1111111111010111110010101111100101111111110111111011110111111 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\"1 WO 2017/203295 Al 30 November 2017 (30.11.2017) WIPO I PCT (51) International Patent Classification: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, E21B 47/06 (2012.01) GO1K 7/32 (2006.01) CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, G01K 7/16 (2006.01) DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (21) International Application Number: HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, PCT/GB2017/051525 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, (22) International Filing Date: PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, 26 May 2017 (26.05.2017) 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. (25) Filing Language: English (26) Publication Language: English (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, (30) Priority Data: GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, 1609294.2 26 May 2016 (26.05.2016) GB UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (71) Applicant: METROL TECHNOLOGY LIMITED TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FL FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, [GB/GB]; Unit 24, Kirkhill Place, Kirkhill Industrial Estate, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Dyce, Aberdeen Aberdeenshire AB21 OGS (GB). TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, (72) Inventors: JARVIS, Leslie David; Liathach, Woodcot KM, ML, MR, NE, SN, TD, TG). Lane, Stonehaven Aberdeenshire AB39 2GJ (GB). ROSS, _ Shaun Compton; West Cults House, 493 North Deeside Published: Road, Aberdeen Aberdeenshire AB15 9ES (GB). — with international search report (Art. 2 I (3)) = (74) Agent: HGF LIMITED (ABERDEEN); 1 City Walk, = Leeds West Yorkshire LS11 9DX (GB). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, = (54) Title: APPARATUSES AND METHODS FOR SENSING TEMPERATURE ALONG A WELLBORE USING TEMPERATURE SENSOR MODULES COMPRISING A CRYSTAL OSCILLATOR _ (57) : Apparatus (100) for use in sensing temperature along a wellbore, compris- ing: = tubing (110) comprising at least 6 temperature sensor modules (120) provided at lo- = = = = Power source 140 comets module 150 cations along the inside of the tubing, each temperature sensor module comprising a tem- perature sensor comprising a crystal oscillator having an electrical oscillation frequency = 100 ._, = — L Control — module 130 160 that varies with temperature; the tubing having an external diameter of less than 14mm at the location of at least 6 temperature sensor modules. 7 / 203 295 Al 1 11 111 1111111111 111111 11111 I III [ 120a - C . 110 120b 115 120c 120d 111 -5 120e 120n 112 • Il 0 ei Figure 1 C