The Second Oil Production Plant of Dagang Oilfield

Hebei, China

The Second Oil Production Plant of Dagang Oilfield

Hebei, China

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Wu Y.,The Second Oil Production Plant of Dagang Oilfield | Nie K.-X.,Beijing Zhongyoujiya Science and Technology Development Co. | Ren J.-L.,Bureau of Mineral Resources | Qin J.-X.,The Second Oil Production Plant of Dagang Oilfield | And 3 more authors.
Shiyou Diqiu Wuli Kantan/Oil Geophysical Prospecting | Year: 2011

The seismic frequency-extension technology studies thin-layer changes in small time window from spectrum analysis. Reservoir lateral changes in frequency domain are found by tuning amplitude or phase, and different scale geo-bodies are identified by response characteristics of different frequencies. This technology can help us identify thin layer with thickness less than 1/4 wavelength. We extract a few seismic attributes, including instantaneous frequency, instantaneous phase, root-mean-square amplitude, phase cosine and so on. Our study shows that the frequency-extension attributes are very sensitive to main oil sands, especially to thickness changes of oil sands of Shahejie formation between Wells BS6- BS8. And our predictions match well with the results of the new drilled Wells B35, B38, B39, and B27.

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