Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate
2011-04-05
2011-04-05
Gay, Jennifer H (Department: 3676)
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
C166S055800, C166S240000, C166S381000, C175S284000
Reexamination Certificate
active
07918280
ABSTRACT:
A communication tool apparatus is described which is adapted to provide selective communication of control fluid through a downhole tool, such as a safety valve. The downhole safety valve is a tubing retrievable subsurface safety valve (“TRSSSV”). The communication tool may be run downhole and within the TRSSSV. Once within the TRSSSV, the communication tool apparatus activates a cutting device within the TRSSSV such that communication of control fluid through the TRSSSV is possible. A replacement safety valve run on a wireline may then be inserted into the TRSSSV and be operated via the control fluid line, as a new communication path created by the communication tool described herein. A method of using the communication tool apparatus is also described.
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Glenn Bahr A.
Mailand Jason C.
Baker Hughes Incorporated
Gay Jennifer H
Zarian Midgley & Johnson PLLC
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