Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2006-10-03
2006-10-03
Bagnell, David (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C166S297000, C166S055000, C175S004510, C175S004600
Reexamination Certificate
active
07114564
ABSTRACT:
The present invention provides an apparatus and method of orienting perforating gun strings conveyed on a tool string. One embodiment of the present invention provides an orienting weight provided in a portion of the perforating device, such as the shaped charge, the loading tube or the gun housing. An adapter is provided intermediate the tool string that facilitates conveyance of the gun string downhole. Additionally, the adapter enables the gun string to rotate independent of the tool string.
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U.S. Appl. No. 10/133,755 to Yang et al., filed Apr. 27, 2002 amended Aug. 15, 2005.
Campbell Jerry D.
Hickson Cynthia L.
Mills David
Parrott Robert A.
Bagnell David
Bomar Shane
Castano Jamie A.
Galloway Bryan P.
Schlumberger Technology Corporation
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