Method and apparatus for improved measurement of drilling condit

Details Method and apparatus for improved measurement of drilling condit Method and apparatus for improved measurement of drilling condit

1996-09-11

1997-08-05

Williams, Hezron E.

Measuring and testing

Borehole or drilling

During drilling

7315246, 364422, E21B 4400

Patent

active

056545037

ABSTRACT:
In drilling a well, a condition at the surface which contributes to a downhole condition is identified. A set of observed measurements is collected for the surface and downhole conditions. From this set of observations a predictor equation is derived which expresses the downhole condition as a function of the measured surface condition. After the predictor equation has been developed, it is applied to a measured surface condition to estimate the resulting downhole condition.

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Nelson, et al. "Improved Vertical Resolution of Well Logs by Resolution Matching", The Log Analyst (Jul.-Aug. 1991), pp. 339-349.

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