US Patent 7572756 Shale hydration inhibition agent and method of use
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Patent abstract
A water-base fluid for use in drilling, cementing, workover, fracturing and abandonment of subterranean wells through a formation containing shale which swells in the presence of water. In one illustrative embodiment, the drilling fluid is composed of an aqueous based continuous phase, a weighting agent, and a shale hydration inhibition agent. The shale hydration inhibition agent should have the general formula:
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US Patent 07572756 Shale hydration inhibition agent and method of use US Patent 7572756 Shale hydration inhibition agent and method of use
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Patent Number
0757275600
Patent Number
757275600
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
075727560
Date of Patent
August 11, 2009
0Patent Application Number
119365700
Date Filed
November 7, 2007
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
075727560
Date of Patent
August 11, 2009
0Patent Application Number
119365700
Date Filed
November 7, 2007
0Official Website
Patent Primary Examiner
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Golden AI
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US Patent 07572756 Shale hydration inhibition agent and method of use
Infobox
Is a
Patent jurisdiction
Patent number
07572756
Date of patent
August 11, 2009
Patent application number
11936570
Date Filed
November 7, 2007
Patent primary examiner
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