Patent SG-11201811552T-A (SG)
Title: System for cableless bidirectional data transmission in a well for the extraction of formation fluids
Inventor: BURRAFATO SEBASTIANO
IPC: E21B47/12
Filed: 2017-07-14
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 18 January 2018 (18.01.2018) W I PO I PCT omit VIII °nolo III m OH 010 0111011101111101 ois (10) International Publication Number WO 2018/011763 Al (51) International Patent Classification: E21B 47/12 (2012.01) (21) International Application Number: PCT/IB2017/054279 (22) International Filing Date: 14 July 2017 (14.07.2017) (25) Filing Language: Italian (26) Publication Language: English (30) Priority Data: 102016000074309 15 July 2016 (15.07.2016) IT (71) Applicant: ENI S.P.A. [IT/IT]; Piazzale E. Maffei, 1, 00144 Roma (IT). (72) Inventors: BURRAFATO, Sebastiano; Via Ludovico di Savoia, 4, 00185 Roma (IT). PULITI, Alessandro; Via Parri, 73, 20097 San Donato Milanese (MI) (IT). MO- LASCHI, Claudio; Via Viviani, 14, 26013 Crema (CR) Published: (IT). FAVARETTO, Mauro; Via Giulio Cesare 28, 30030 Salzano (VE) (IT). (74) Agent: BIALLO, Dario; c/o BarzanO & Zanardo Milano S.p.A., Via Borgonuovo, 10, 20121 Milano (IT). (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). — with international search report (Art. 21(3)) (54) Title: SYSTEM FOR CABLELESS BIDIRECTIONAL DATA TRANSMISSION IN A WELL FOR THE EXTRACTION OF FORMATION FLUIDS W O 20 18/0 117 63 Al (57) : System for cableless bidirectional data transmission in a well (10) for the extraction of formation fluids comprising: a plurality of rods (11, 12) con- nected to each other in succession so as to form a rod string, which extends from the surface to the bottom of the well (10), the rod string being associable with a plurality of sensors (14) configured for continuously detecting a plurality of parameters re- lating to the fluids circulating in the well (10) and to the rock formation surrounding the well and/or to safety devices or other remote-controlled well instrumentation; a plurality of communication modules (20) applied at predefined distances along the rod string and configured for the transmission of signals from and towards the bottom of the well (10); each of the communication modules (20) comprising: at 10 least one metal plate selected from: a transmitting metal plate (21); a receiving metal plate (22); a transceiver metal plate (35); an electronic processing and control unit (23) configured for processing signals to be transmitted by means of the at least one metal plate (21, 35) or signals received by means of the at least one metal plate (22, 35); one or more supply batteries (24) for feeding the metal plates (21, 22) and the electronic processing and control unit (23).