METHOD OF ESTIMATION OF MEDIUM CURRENT INDUCED POLARISATION IN CASED WELL BOREHOLE ANNULUS Russian patent published in 2013 - IPC G01V3/18

Abstract RU 2499284 C2

FIELD: oil-and-gas industry.

SUBSTANCE: proposed method comprises measurement of induced polarisation after cutting on of polarisation current, isolation of induced polarisation potential growth interval describing well polarisation phenomena and induced polarisation potential growth interval reflecting the polarisation phenomena in the bed. Induced polarisation potential growth isolation reflecting polarisation phenomena in the bed is performed in over 0.1 s after initiation of polarisation current.

EFFECT: comprehensive measurements owing to isolation of induced polarisation potential growth.

2 dwg

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RU 2 499 284 C2

Authors

Gulimov Aleksandr Viktorovich

Danilenko Vitalij Nikiforovich

Dates

2013-11-20—Published

2011-09-28—Filed