Measuring and testing – Borehole or drilling – Downhole test
Patent
1991-08-30
1994-01-18
Williams, Hezron E.
Measuring and testing
Borehole or drilling
Downhole test
166100, E21B 4900
Patent
active
052791530
ABSTRACT:
Apparatus for obtaining horizontal and/or vertical permeability measurements through a probe having an elongate aperture. The invention uses the elongate aperture in the probe to orient fluid flow in an earth formation horizontally or vertically. The elongate aperture is approximated through the use of a single elongate opening or through the use of a group of aligned openings of varying shapes. Measurements can be taken at different orientations by including additional probe openings along more than one axis.
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Auzerais Francois M.
Dussan V. Elizabeth B.
Kenyon William E.
Brock Michael
Foodman Marc D.
Pojunas Leonard W.
Schlumberger Technology Corporation
Williams Hezron E.
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