Multiple test cased hole formation tester with in-line perforati

Details Multiple test cased hole formation tester with in-line perforati Multiple test cased hole formation tester with in-line perforati

1996-11-13

1999-03-02

Neuder, William

Wells

Means for perforating, weakening, bending or separating pipe...

With disparate below ground feature

166 551, E21B 4300

Patent

active

058758402

ABSTRACT:
An apparatus for perforating a wall, such as the casing wall of a well hole, taking a sample of the fluids which may be behind the wall, and subsequently sealing the perforation so formed in the wall, wherein the perforating portion, the sampling portion and the sealing portion are operably disposed in the apparatus, so as to permit all of the perforating, sampling and sealing functions to be carried out without substantial movement of the apparatus between functions.

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