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Keywords: attenuation rate
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Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 5–7, 2013
Paper Number: SPE-163461-MS
... attenuation rate and so a considerably higher first peak amplitude. Fig. 7 Comparison of the LWD casing amplitude curve to a wireline BI and casing image from an ultrasonic tool. Track 1: LWD casing amplitude along with the chosen 100% and 0% bond lines for the calculation of the LWD BI. Track 2...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 15–18, 1987
Paper Number: SPE-16139-MS
... linear relationship with the attenuation rate. Casing stand-off can also change the log output by a factor of up to 30%. Conversely the shape of the channel is found to have no significant influence on the result pro- vided the percentage of cemented area is the same. The nature , from gas to liquids...

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