Method for improving the accuracy of dip determination using adjustable high pass filters

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United States of America Patent

PATENT NO 5239267
SERIAL NO

07700275

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present system is directed to an improved dipmeter system including plural sensors on isolated pads around a sonde. An independent output is formed from each of the sensor pads, and each output is provided to its own adjustable high pass filter. The several high pass filters delete low frequency constituents in the sensor signals. Then, the signals are provided to a dipmeter computer to determine depth with greater accuracy. As a variation, the high pass filters can be selectively adjusted to provide an adjustable frequency for the filters, and one version utilizes the derivative of the dipmeter signal as a function of velocity or time.

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Patent Owner(s)

Patent OwnerAddress
HALLIBURTON LOGGING SERVICES INC A CORP OF TXHOUSTON TX

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chemali, Roland E Austin, TX 41 1329
Goetz, Joseph F Katy, TX 4 68
Su, Shey-Min Austin, TX 7 510

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