Formation testing tool and method of obtaining post-test...

Details Formation testing tool and method of obtaining post-test... Formation testing tool and method of obtaining post-test...

E - Fixed Constructions

21

B

73/117

E21B 49/08 (2006.01) E21B 49/10 (2006.01)

Patent

CA 1312482

FORMATION TESTING TOOL AND METHOOD OF OBTAINING POST-TEST DRAWDOWN AND PRESSURE READINGS Abstract of the Disclosure A formation tester is set forth. The device utilizes a snorkel extending from the formation tester to obtain a pressure test and collect samples from a formation of interest. The apparatus includes multiple sample storage containers. The sample line is connected to storage containers and also to pretest and post-test drawdown means which alter the sample line back pressure, thereby cooperating with an equalizing valve to selectively isolate the snorkel from fluid and fluid pressures in the well.

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