Method and apparatus for well perforating

Details Method and apparatus for well perforating Method and apparatus for well perforating

2007-03-27

2007-03-27

Tsay, Frank (Department: 3672)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055000

Reexamination Certificate

active

10910058

ABSTRACT:
Apparatus for cutting openings in a wall of a well. The apparatus includes a mandrel with a jetting sleeve slidably disposed about the mandrel. The mandrel has a plurality of slots defined therein and the jetting sleeve has a plurality of jetting openings aligned with the slots so that fluid will pass through the mandrel, the slots in the mandrel, and the jetting openings. The jetting nozzles are received in the jetting openings and travel in the slots in the mandrel. The flow of jetting fluid through the mandrel causes the jetting sleeve to move on the mandrel so that slots may be cut in the wall of the well.

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