RU2011139572A - METHOD FOR ESTIMATING THE CURRENT Caused by the Polarization of the Medium in the Enclosed Space of Cased Wells - Google Patents

METHOD FOR ESTIMATING THE CURRENT Caused by the Polarization of the Medium in the Enclosed Space of Cased Wells Download PDF

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RU2011139572A
RU2011139572A RU2011139572/28A RU2011139572A RU2011139572A RU 2011139572 A RU2011139572 A RU 2011139572A RU 2011139572/28 A RU2011139572/28 A RU 2011139572/28A RU 2011139572 A RU2011139572 A RU 2011139572A RU 2011139572 A RU2011139572 A RU 2011139572A
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Russia
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polarization
potential
growth
wells
reflecting
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RU2011139572/28A
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Russian (ru)
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RU2499284C2 (en
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Александр Викторович Гулимов
Виталий Никифорович Даниленко
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Закрытое акционерное общество Научно-производственная фирма "ГИТАС" (ЗАО НПФ "ГИТАС")
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Priority to RU2011139572/28A priority Critical patent/RU2499284C2/en
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Abstract

Способ оценки тока вызванной поляризации среды в заколонном пространстве обсаженных скважин, включающий измерение потенциалов вызванной поляризации (ВП) в скважинах, выделение роста потенциала ВП, отражающего поляризационные явления в скважинах, и выделение роста потенциала ВП, отражающего поляризационные явления в пласте, отличающийся тем, что выделение роста потенциала ВП, отражающего поляризационные явления в пласте, производят в период времени более 0,1 с после выключения поляризующего тока, и выделяют кривую роста потенциала ВП в заколонном пространстве путем выделения на фоне роста потенциала ВП, отражающего поляризационные явления в скважинах.A method for evaluating the current caused by the polarization of the medium in the annular space of cased wells, including measuring the potentials of the induced polarization (VP) in the wells, highlighting the growth of the potential of the VP, reflecting the polarization phenomena in the wells, and highlighting the growth of the potential of the VP, reflecting the polarizing phenomena in the reservoir, characterized in that the growth of the potential of the VP, reflecting the polarization phenomena in the formation, is produced in a period of more than 0.1 s after the polarizing current is turned off, and the growth curve of the potential of the VP in akolonnom space through the provision of background EP growth potential reflecting polarization phenomena in wells.

Claims (1)

Способ оценки тока вызванной поляризации среды в заколонном пространстве обсаженных скважин, включающий измерение потенциалов вызванной поляризации (ВП) в скважинах, выделение роста потенциала ВП, отражающего поляризационные явления в скважинах, и выделение роста потенциала ВП, отражающего поляризационные явления в пласте, отличающийся тем, что выделение роста потенциала ВП, отражающего поляризационные явления в пласте, производят в период времени более 0,1 с после выключения поляризующего тока, и выделяют кривую роста потенциала ВП в заколонном пространстве путем выделения на фоне роста потенциала ВП, отражающего поляризационные явления в скважинах. A method for evaluating the current caused by the polarization of the medium in the annular space of cased wells, including measuring the potentials of the induced polarization (VP) in the wells, highlighting the growth of the potential of the VP, reflecting the polarization phenomena in the wells, and highlighting the growth of the potential of the VP, reflecting the polarizing phenomena in the reservoir, characterized in that the growth of the potential of the VP, reflecting the polarization phenomena in the formation, is produced in a period of more than 0.1 s after the polarizing current is turned off, and the growth curve of the potential of the VP in akolonnom space through the provision of background EP growth potential reflecting polarization phenomena in wells.
RU2011139572/28A 2011-09-28 2011-09-28 Method of estimation of medium current induced polarisation in cased well borehole annulus RU2499284C2 (en)

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RU2011139572/28A RU2499284C2 (en) 2011-09-28 2011-09-28 Method of estimation of medium current induced polarisation in cased well borehole annulus

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Application Number Priority Date Filing Date Title
RU2011139572/28A RU2499284C2 (en) 2011-09-28 2011-09-28 Method of estimation of medium current induced polarisation in cased well borehole annulus

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RU2011139572A true RU2011139572A (en) 2013-04-10
RU2499284C2 RU2499284C2 (en) 2013-11-20

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658215A (en) * 1983-06-20 1987-04-14 Shell Oil Company Method for induced polarization logging
SU1128212A1 (en) * 1983-07-18 1984-12-07 Научно-производственное объединение "Сибцветметавтоматика" Method and device for measuring induced polarization in well logging
AR037955A1 (en) * 2001-12-20 2004-12-22 Halliburton Energy Serv Inc SYSTEM AND METHOD FOR MEASURING RESISTIVITY THROUGH THE ENVELOPE
RU2229735C1 (en) * 2003-04-22 2004-05-27 Кашик Алексей Сергеевич Process of electric logging of cased well

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