Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 21, 2006
0Patent Application Number
105202260
Date Filed
July 2, 2003
0Patent Primary Examiner
Patent abstract
Alkali metal carboxylate salt brines, such as cesium formate brine, are used in oil and gas drilling procedures. Contamination with chloride ions can be controlled by treatment with a silver salt solution, and removing silver chloride formed. High density brines can be obtained, suitable for re-use.
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