Method and apparatus for testing wells

Details Method and apparatus for testing wells Method and apparatus for testing wells

E - Fixed Constructions

21

B

166/6.1

E21B 47/00 (2006.01) E21B 23/00 (2006.01) E21B 49/08 (2006.01)

Patent

CA 1036927

ABSTRACT OF THE DISCLOSURE Method and apparatus for testing wells where extremely high temperatures and pressure are to be encountered in the zone under test. The apparatus provides means for testing and trap- ping samples of well fluid from the formation in the zone under test for removal from the well bore with substantial reduction in sample pressure at the ground surface. The method permits confining the well fluid under test within the well bore near the zone under test to minimize the possibility of hazardous well fluids reaching the ground surface other than as trapped samples in expandable sampler chambers or otherwise safely con- trolled.

238273

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