Production log

Details Production log Production log

1996-03-05

1998-05-12

Tsay, Frank

Wells

Processes

With indicating, testing, measuring or locating

16625007, E21B 4706

Patent

active

057494177

ABSTRACT:
A production log which is developed by data recorded in a downhole memory in a well tool as a function of real time and data recorded at the earth's surface as a function of time and merged to produce a log of data as a function of depth. The well tool is moved with a velocity selected to obtain fluid velocity data as a function of time and the velocity of the tool is measured at the earth's surface as a function of time. The functions of time are on a common basis so that a true velocity of fluid flow can be obtained as a function of depth.

REFERENCES:
patent: 3550445 (1970-12-01), Kiel
patent: 4423625 (1984-01-01), Bostic, III et al.
patent: 5040414 (1991-08-01), Graebner
patent: 5251286 (1993-10-01), Wiener et al.
patent: 5354956 (1994-10-01), Orban et al.
patent: 5413179 (1995-05-01), Scott, III

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