Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Randy L. Evans0
John H. Clark0
Joseph Gregory Barolak0
Mark L. Sloan0
William D. Myers, Jr.0
Freeman L. Hill0
George Patton0
Date of Patent
March 6, 2012
Patent Application Number
12394598
Date Filed
February 27, 2009
Patent Citations Received
0
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Patent Primary Examiner
Patent abstract
A method and system for cementing and perforating a wellbore in a single step by coupling a perforating gun with a wiper plug. The method includes injecting cement in a wellbore having casing therein and an annulus between the casing and wellbore. A wiper plug is dropped on the cement having a perforating gun attached to the wiper plug. The plug is forced downward pulling the perforating gun along. The downward motion of the plug in turn pushes the cement out the bottom end of the casing and into the annulus. The cement in the annulus is allowed to set and the perforating gun is activated.
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