E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 49/02 (2006.01) E21B 7/06 (2006.01) E21B 33/13 (2006.01) E21B 43/11 (2006.01) E21B 49/00 (2006.01) E21B 49/08 (2006.01) E21B 49/10 (2006.01)
Patent
CA 2197962
An apparatus is disclosed for perforating, testing and resealing casing in an earth formation borehole. The apparatus is moveable through the casing. The apparatus can also be mounted on a wireline, on tubing or on both. A perforating device is mounted in the apparatus for producing a perforation in the casing. The perforating device contains a flexible drilling means that enables the drilling of perforations in the casing of lengths greater than the diameter of the borehole. The apparatus will usually contain components for hydraulic testing and sampling from the formation behind the casing. Also mounted in the apparatus is a device for plugging and resealing the perforation with a solid plug.
Flores Aaron
Jaroska Miles
Kurkjian Andrew
Ladue Duane
Macdougall Thomas
Schlumberger Canada Limited
Smart & Biggar
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