US Patent 7128154 Single-direction cementing plug
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Patent abstract
The present invention generally relates to apparatus and methods for completing a well. Particularly, the present invention relates to a single-direction plug for use with cementing applications and with drilling with casing applications. One embodiment comprises a cement plug for installation in a wellbore casing. The plug includes a body and gripping members for preventing movement of the body in a first axial direction relative to the casing. The plug further comprises a sealing member for sealing a fluid path between the body and the casing. The plug is movable in a second axial direction with fluid pressure but is not movable in the first direction due to fluid pressure.
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US Patent 07128154 Single-direction cementing plug US Patent 7128154 Single-direction cementing plug
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Patent Number
0712815400
Patent Number
712815400
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Patent Jurisdiction
Patent Number
071281540
Date of Patent
October 31, 2006
0Patent Application Number
107673220
Date Filed
January 29, 2004
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Patent Jurisdiction
Patent Number
071281540
Date of Patent
October 31, 2006
0Patent Application Number
107673220
Date Filed
January 29, 2004
0Official Website
Patent Primary Examiner
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US Patent 07128154 Single-direction cementing plug
Infobox
Is a
Patent jurisdiction
Patent number
07128154
Date of patent
October 31, 2006
Patent application number
10767322
Date Filed
January 29, 2004
Patent primary examiner
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