Wells – Processes – With indicating – testing – measuring or locating
Patent
1992-01-02
1993-03-23
Novosad, Stephen J.
Wells
Processes
With indicating, testing, measuring or locating
166264, 166277, 166385, 166387, E21B 3313, E21B 4311, E21B 4908
Patent
active
051955881
ABSTRACT:
An apparatus is disclosed for perforating, testing, and repairing casing in an earth borehole. A device is moveable through the casing. The device can be mounted on a wireline, on tubing, or on both. A perforator is mounted in the device for producing a perforation in the casing. The device will also generally include components for hydraulic testing/sampling from the formations behind the casing. A plugger is mounted in the device for plugging the perforation with a solid plug or a non-solid sealant.
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Foodman Marc D.
Novack Martin M.
Novosad Stephen J.
Schlumberger Technology Corporation
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