Downhole Instrumentation for the Measurement of Three-Phase Volume Fractions and Phase Velocities in Horizontal Wells

[+] Author and Article Information
J. O. Maxit, P. W. Reittinger, J. Wang

Baker Atlas, 2001 Rankin Road, Houston, TX 77073-5100

R. J. Kostelnicek

SBO, 609 Bayou Crest Drive, Dickinson, TX 77539

J. Energy Resour. Technol 122(2), 56-60 (Mar 31, 2000) (5 pages) doi:10.1115/1.483162 History: Received October 28, 1999; Revised March 31, 2000
Copyright © 2000 by ASME
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(a) The longitudinal cross section of the MCFM wing deployed in a horizontal well; (b) projection of the holdup sensor array on a plane normal to the wellbore
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MCFM transmitter and sensor configuration to measure galvanic and displacement currents with a sensor electrode covered by an insulating film
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Crossplot of MCFM measured water holdups (Hw) in oil/water flow. The lines indicate the ±4 percent error range.
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Ternary diagram of holdups measured in stratified 3-phase flow with a constant gas rate (Hg=gas holdup, Ho=oil holdup, and Hw=water)
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MCFM sensors in a velocity array configured for simultaneous measurement of slug front or tail velocities, and dispersed phase velocities. Ca,b represents the correlation of the signal variations from sensors a and b.




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