Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Taylor Green0
Mark Luyster0
Robert L. Horton0
Steve Mason0
Bethicia Prasek0
Frank E. Evans0
Date of Patent
December 26, 2006
0Patent Application Number
107725500
Date Filed
February 3, 2004
0Patent Primary Examiner
Patent abstract
A method of controlling and delaying the inversion of a drilling fluid and the wettability of a filtercake by using a delayed phase changing agent. The filtercake is preferably formed while drilling a subterranean formation using a drilling fluid includes: an oleaginous fluid; a non-oleaginous fluid; an amine surfactant having the structure:
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