Empirical correlation corrects fluid density logs

PRODUCTION LOGGING - 2 A simple empirical friction correction allows for the interpretation of previously uninterpretable differential-pressure density logs.This second in a three-article series (Part 1, OGJ, Dec. 4, 2000, p. 57) explains a method for correcting differential-pressure density logs run in wells producing at high flow rates.The first part covered the basics of two-phase production log interpretation, and the concluding part will discuss third-party software and a new nonlinear regression method to correct for friction effects.Without these corrections, these commonly run density logs will not attribute the correct oil and water production to the appropriate producing interv...

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