Boring or penetrating the earth – Processes – Sampling of earth formations
Reexamination Certificate
2006-08-01
2006-08-01
Gay, Jennifer H. (Department: 3672)
Boring or penetrating the earth
Processes
Sampling of earth formations
C166S060000, C166S250170, C166S264000, C073S152280
Reexamination Certificate
active
07083009
ABSTRACT:
A formation fluid sampling tool including at least one sample tank mounted in a tool collar. The tool collar includes a through bore and is disposed to be operatively coupled with a drill string such that each sample tank may receive a correspondingly preselected formation fluid sample without removing the drill string from a well bore. At least one of the sample tanks further includes an internal fluid separator movably disposed therein. The separator separates a sample chamber from a pressure balancing chamber in the sample tank. The pressure balancing chamber is disposed to be in fluid communication with drilling fluid exterior thereto. The sampling tool further includes a sample inlet port connected to the sample chamber by an inlet passageway.
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Moody Michael J.
Paluch William C.
Gay Jennifer H.
PathFinder Energy Services, Inc.
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