Method for measuring the velocity of water flow through nested c

Details Method for measuring the velocity of water flow through nested c Method for measuring the velocity of water flow through nested c

1993-09-28

1995-04-11

Williams, Hezron E.

Measuring and testing

Borehole or drilling

Downhole test

250268, 2503561, 73861040, G01V 500, G01T 116

Patent

active

054047528

ABSTRACT:
This disclosure provides a method for measuring the velocities of water volumes flowing co-directionally in separate conduits nested such as in injection or production well-bores. The method allows an oxygen activation measurement of the velocity of the water flow in the tubing-casing annulus in the presence of water flowing in the tubing string in the same direction. The method allows continuous logging at variable or constant cable velocities or stationary logging. Based on the method of velocity gauging, the method isolates the signal from the annular flow and can produce a continuous log of linear and volumetric annular flow rates with depth.

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Scott, H. D., Pearson, C. M., Renke, S. M., McKeon, D. C. and Meisenhelder, J. P. 1991, Applications of Oxygen Activation for Injection and Production Profiling in the Kuparuk River Field, SPE.

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