Conoco Inc.

Erwin Buck

John Byron Sudbury

Jagannathan Murali

Corrosion and scale inhibitors in fluids produced from a subterranean formation are separated, detected, and quantified by thin layer chromatography through the use of selected developing solvents and visualization reagents.

Process for the detection and quantitation of corrosion and scale

Flame sprayed aluminum coatings have been shown to be of excellent value in providing cathodic protection to steel structures in a marine environment. The common method of applying flame sprayed aluminum to a steel substrate comprises providing an anchor pattern to the substrate. Such anchor pattern can result in fatigue cracking of the substrate developing within the surface discontinuities of the anchor pattern. The present invention provides a method for providing a layered electroplated aluminum base coating on the substrate to which a flame sprayed aluminum coating may adhere without the need for a roughened surface on the substrate with its consequent potential for reduction of fatigue strength.

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Ponca City, OK, United States of America

Erwin Buck