Chevron Phillips Chemical Company LP

Frank E Evans

Jeffery R Harris

John E Anderson

Marshall D Bishop

Willie P Reneau

A non-aqueous wellbore servicing fluid comprising a fluid loss additive wherein the fluid loss additive comprises the reaction product of (i) a functional polymer and (ii) an oligomerized fatty acid. A method of conducting an oil-field operation comprising placing a non-aqueous wellbore servicing fluid downhole wherein the non-aqueous wellbore servicing fluid comprises a fluid loss additive comprising the reaction product of (i) a functional polymer and (ii) an oligomerized fatty acid.

Fluid loss additives and methods of making and using same

An additive for a wellbore treatment fluid comprising a sulfonated asphalt compound comprising particles having a D90 particle size of less than about 215 &#x3bc;m. A wellbore treatment fluid comprising (i) an oleaginous component and (ii) a sulfonated asphalt wherein the sulfonated asphalt comprises particles having a D90 of less than about 215 &#x3bc;m.

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Bartlesville, OK, United States of America

Frank E Evans