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US 7,007,757 B2Granted
Fracturing fluids containing borate esters as crosslinking agents and method of using same
AssigneeBJ Services Company Canada
InventorsD. V. Satyanarayana Gupta, Ron Pierce, Nicole Deanne Litt, Anita Colleen Jerat
Life of this patent
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Abstract
A formation treating fluid comprises one or more borate esters, a liquid carrier and, one or more cross linkable polymer wherein the formation treating fluid has an alkaline pH when the formation treating fluid is positioned in a formation. The formation treating fluid is useful in high temperature operations such as hydraulic fracturing.
Claims10
A method of fracturing a formation comprising:
- a) providing a first fluid comprising a liquid carrier and a cross linkable polymer;
- b) combining a preformed borate ester present in an organic solvent to the first fluid to form a formation treating fluid;
- and,
- c) pumping the formation treating fluid into the formation.
1 more element
Dependencies are inferred from the claim text.