Baker Hughes Corporation

Independence Oilfield Chemicals LLC

Richard Mitchell

John Robert Willingham

James B Crews

Tianping Huang

Kushal Seth

Jeffrey Carl Dawson

A method of treating a subterranean formation penetrated by a well-bore, for example to facilitate fracturing of the formation, comprises the steps of: (i) selecting a treatment fluid comprising a diverting agent (A) in a flaked form, for example guar gum in a flaked form. (ii) introducing the treatment fluid into the subterranean formation via the well-bore to plug a region of the formation. Thereafter, the formation may be fractured or re-fractured.

Method for making a treatment fluid comprising a diverting agent in flake form, and method of treating a well

Emulsified acids have been used to increase production rates of oil and gas in carbonate reservoirs through acid fracturing and matrix acidizing operations. An emulsifier is used to emulsify the aqueous acid with an oil, usually diesel. Very small particles, such as colloidal clay particles and/or nanoparticles increase the stability of the emulsified acids over an elevated temperature range.

Stabilizing emulsified acids for carbonate acidizing

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Houston, TX, United States of America

Richard Mitchell