Downhole tool with sliding valve

Details Downhole tool with sliding valve Downhole tool with sliding valve

1993-07-29

1995-02-21

Novosad, Stephen J.

Wells

Packers or plugs

With controllable passage between central conduit and space...

166131, 166185, 166242, 166134, 166142, 166387, E21B 2300, E21B 33128, E21B 33129, E21B 3414

Patent

active

053907370

ABSTRACT:
A downhole tool apparatus and methods of drilling the apparatus. The apparatus may include, but is not limited to, packers and bridge plugs utilizing non-metallic components. The non-metallic components may include but are not limited to the center mandrel having an unmachined, molded central opening therethrough. In a preferred embodiment, a sliding valve is disposed on an outer surface of the center mandrel for opening and closing a valve port. An overshot is used to selectively actuate the sliding valve. Methods of installation and drilling out of the apparatus are also disclosed.

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