Texaco Inc.

Wilson Kirkpatrick Martir

Hossein Aghazeynali

Lawrence Robert Morrow

Lawrence R Morrow

David Edmund Wright

Nellie R Miranda

Ozonolysis is an effective process for improving the quality of produced water. A process for reducing the concentration of water soluble organic materials dissolved in produced water consists of introducing into the produced water a sufficient amount of gaseous ozone by use of a means for maximizing the collision frequency of ozone gas and the produced water. The temperature of the produced water is between from about 80.degree. to about 180.degree. F. The process renders a water effluent with markedly reduced oil and grease content. The water effluent can be used on land as a drinking or irrigation water supply source and may be safely discharged into navigable waters.

Process of treating produced water with ozone

An improved method of removing water soluble organics from produced water is disclosed. In the method, a chemical, selected from the group consisting of sodium bisulfite, hydroxylamine hydrochloride, tallow amine, acetic acid, and combinations thereof, is added to the water in an amount sufficient to adjust the pH of the water to about 6.0 to 6.5. Water soluble organics then separate out from the water for easy removal by conventional phase separation techniques.

Method of removing water soluble organics from oil process water

A method to determine the amount of oil, including dispersed oil, in water at low levels wherein a surfactant is first mixed with water which may contain dispersed oil, the surfactant comprising a non-aromatic surfactant able to solubilize into water the particular oil being tested for, and comparing the emission fluorescence of the surfactant/water mixture to previous correlations drawn between known amounts of oil in water and their emission fluorescence under similar conditions.

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Houston, TX, United States of America

Wilson Kirkpatrick Martir