Measuring and testing – Borehole or drilling – Formation logging
Reexamination Certificate
2006-04-11
2006-04-11
Willams, Hezron (Department: 2856)
Measuring and testing
Borehole or drilling
Formation logging
C073S152380, C166S250010
Reexamination Certificate
active
07024930
ABSTRACT:
An apparatus and method for determining at least one downhole formation property is disclosed. The apparatus includes a probe and a pretest piston positionable in fluid communication with the formation, and a series of flowlines pressure gauges, and valves configured to selectively draw into the apparatus for measurement of one of formation fluid and mud. The method includes performing a first pretest to determine an estimated formation parameter; using the first pretest to design a second pretest and generate refined formation parameters whereby formation properties may be estimated.
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Follini Jean-Marc
Pop Julian
Echols Brigitte L.
Fitzgerald John
Salazar J.L. Jennie
Schlumberger Technology Corporation
Segura Victor H.
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