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- W2388897299 abstract "Because gas was contained in strata,when seismic waves were propagated through gas-bearing strata,the high frequency attenuated strongly while the low frequency attenuation was much weaker.Then,low-frequency shadow occurred below the oil and gas reservoirs.It provided a theoretical basis for detecting the gas in reservoirs by directly using time-frequency analysis method.Time-frequency continuous wavelet transform was a new time-frequency analysis method for the improvement of continuous wavelet transform.Its result is time-frequency domain,which could avoid energy overlap in the process of scale-frequency conversion,thus it was the method for a better time-frequency concentration.The basic principles of time-frequency continuous wavelet transform are first briefly introduced and then the key steps of the method were discussed.Eventually it is proved by theoretical calculation and its application in Sulige Gas-field that the method is feasible for the detection of thick gas-bearing sandstone." @default.
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- W2388897299 date "2012-01-01" @default.
- W2388897299 modified "2023-09-24" @default.
- W2388897299 title "Identification of Gas Reservoir Based on Time-frequency Continuous Wavelet Transform in Sulige Gas-field" @default.
- W2388897299 hasPublicationYear "2012" @default.
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