Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Patent
1998-02-26
2000-05-09
Patidar, Jay
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
702 7, G01V 310
Patent
active
060608846
ABSTRACT:
A wave propagation measurement-while-drilling system is used to measure selected formation and borehole parameters of interest and simultaneously provide indications of the quality of the selected measurements. One or more transmitter-receiver pairs are employed with the transmitter components operating at one or more frequencies. A model of the response characteristics of the borehole instrument is also employed. By using a redundant subset of the measurements, the parameters of interest are determined and an expected value of the remaining measurements is made. A comparison of the actual and expected values of the remaining measurements serves as a quality control check on the equipment and on the accuracy of the model.
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Meyer, Jr. Wallace Harold
Thompson Larry Wayne
Wisler Macmillan M.
Wu Jian-Quan
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