Integrity Industries, Inc.

William M Duncan

James R VonKrosigk

James R Von Krosigk

Acid based micro-emulsions are disclosed comprising water, an acid blend, an anionic surfactant, a nonionic surfactant, a co-solvent, a solvent and an oxidizer. The micro-emulsions have particular utility in cleaning oil sludges and drilling mud residues from well cuttings, well formations and down hole and surface oil well drilling and production equipment.

Acid based micro-emulsions of surfactants and solvents

Acid based micro-emulsions

A drilling fluid comprises a continuous phase of diesel oil, mineral oil, ester, mono-ether, di-ether, poly-alpha-olefin, detergent alkylate, terpene and mixtures thereof. Water is added to make an inverted emulsion. In the non-terpene based drilling fluids, terpene or terpenes is added in the amount of 1-80% by volume to increase the penetration rate and provide other advantages, such as rapid biodegradability. The terpene may be of the unsaturated type or the saturated type.

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Corpus Christi, TX, United States of America

William M Duncan