HYDROCARBON PROSPECTING METHOD Russian patent published in 2003 - IPC

Abstract RU 2217778 C2

FIELD: seismic investigations; searching for hydrocarbon deposits in land and water areas. SUBSTANCE: method includes recording of Earth noise followed by its analysis. Standard waveform of information signal is determined on known hydrocarbon deposit. Used as information signal is energy spectrum being calculated. Same information signal is determined at proposed deposit, Recorded time range is divided into digital sections. Each digital section is analyzed for standard waveform of information signal and also for information signal distortions of man-caused nature. Digital sections having no information signals of standard waveforms are excluded from further analyses along with those including mentioned distortions. Remaining digital sections are analyzed and decision is taken on presence or absence of hydrocarbon deposits. EFFECT: enhanced precision and reduced time requirement. 6 cl, 4 dwg

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RU 2 217 778 C2

Authors

Arutjunov S.L.

Astaf'Ev M.G.

Grafov B.M.

Sirotinskij Ju.V.

Suntsov A.E.

Dates

2003-11-27—Published

2003-03-04—Filed