Methods and systems for using wavelet analysis in...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science

Reexamination Certificate

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Reexamination Certificate

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06978211

ABSTRACT:
The present invention provides methods of monitoring the injection of a fluid into a subterranean formation. The present invention also provides a method of fracturing a subterranean formation. All methods feature the use of a wavelet transform of data generated by the subterranean injection process.

REFERENCES:
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patent: 2004/0206494 (2004-10-01), Stephenson et al.
SPE 71571 “Application of Wavelet Transform to Analysis of Pressure Transient Data” by M. Y. Soliman, et al., 2001.
SPE 71367 “Pump-in/Flowback Tests Reduce the Estimate of Horizontal in-Situ Stress Significantly” by A. M. Raaen, et al., 2001.
SPE 14263 “Prediction of Formation Response From Fracture Pressure Behavior” by M. W. Conway, et al., 1985.
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U.S. Appl. No. 10/251,301, filed Sep. 20, 2002, Stephenson et al., entitled “Fracture Monitoring Using Pressure-Frequency Analysis”.

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