Method of detecting, quantifying and correcting borehole...

Details Method of detecting, quantifying and correcting borehole... Method of detecting, quantifying and correcting borehole...

2007-06-05

2007-06-05

Shrivastav, Brij (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using well logging device

Reexamination Certificate

active

10855230

ABSTRACT:
Spin echo signals measured with a multifrequency NMR logging tool are analyzed to determine if one or more of the regions of examination associated with each of the frequencies has signal contamination from borehole fluids. A variety of different methods can be used for analysis. Corrected spin echo signals can be obtained and processed to give improved estimates of formation parameters.

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