Identification of Leakage in Couplings of Tubing, Casing and Intermediate Casing for Wells of Underground Gas Storage in Salt Caverns by means of Spectral Noise Logging (original) (raw)

Abstract

This paper describes a survey conducted in an underground gas storage well that had excess annulus pressure. The integrated well survey including Spectral Noise Logging (SNL), High Precision Temperature (HPT) Logging and pulse electromagnetic defectoscopy determined the flow geometry in the cemented annuli of the well and identified leaking tubing and casing collars. The paper provides a detailed analysis of well logging data and workover recommendations. Analysis of information on flow and leaks obtained by the survey suggested that the well did not have to be suspended.

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References (8)

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  4. Artur M. Aslanyan -PhD in Physics and Mathematics, Chief Technology Advisor, TGT Service LLC Russia, 420108, Kazan, Magistralnaya str., 59/1, bld. 2 Phone: +7 843 210-17-74. E-mail: ama@tgtoil.com Maksim V. Volkov -Well Integrity Expert, TGT Service LLC Russia, 420108, Kazan, Magistralnaya str., 59/1, bld. 2 Phone: +7 843 210-17-74. E-mail: maxim.volkov@tgtoil.com Stanislav V. Soroka -Director of the Tool Factory, TGT Service LLC Russia, 420108, Kazan, Magistralnaya str., 59/1, bld. 2 Phone: +7 843 210-17-74. E-mail: stanislav.soroka@tgtoil.com Andrey A. Arbuzov -PhD in Physics and Mathematics, Head of R&D Department, TGT Service LLC Russia, 420108, Kazan, Magistralnaya str., 59/1, bld. 2 Phone: +7 843 210-17-74 E-mail: andrey.arbuzov@tgtoil.com
  5. Danis K. Nurgaliev -DSc in Geology and Mineralogy, Pro- fessor and Pro-Rector for Research, Kazan Federal University Russia, 420008, Kazan, Kremlevskaya str., 18 Phone: +7 843 233-74-07. E-mail: danis.nourgaliev@kpfu.ru Dmitriy V. Grishin -Deputy Director General and Chief Engineer, Gazprom UGS Russia, 117420, Moscow, Nametkina str., 12A Phone: +7 495 428-45-09 E-mail: D.Grishin@phg.gazprom.ru
  6. Roman S. Nikitin -Deputy Director General and Chief Geologist, Gazprom UGS Russia, 117420, Moscow, Nametkina str., 12A Phone: +7 495 428-45-01 E-mail: R.Nikitin@phg.gazprom.ru
  7. Aleksey N. Malev -Head of the Geology and Geophysics Department, Gazprom Georesource Russia, 117149, Moscow, Bolotnikovskaya str., 18/2 Phone: +7 495 921-05-46 E-mail: a.maljov@gazpromgeofizika.ru
  8. Roza N. Minakhmetova -Lead Expert, Centre of Experts, TGT Service LLC Russia, 420108, Kazan, Magistralnaya str., 59/1, bld. 2 Phone: +7 843 210-17-74 E-mail: roza.minakhmetova@tgtoil.com Manuscript received July 25, 2016