Cameron International Corporation

M-i Drilling Fluids UK Limited

Stepan UK Limited

Alyn Jenkins

Yiyan Chen

William Brett Cardwell

Chandrashekhar Yeshwant Khandekar

Tore Nordvik

Neil Grainger

Bastian Sauerer

Mathieu Pepin

Michael Blezard

Kevin Paul Ramirez

Rolando Perez Pineiro

Adnan Alhammoud

Jody Hoshowski

Rachael Anne Hughes

Methods described herein use benzene sulfonyl azide molecules as scavengers of sulfur species, including HS, mercaptans, or both in industrial processes such as hydrocarbon production.

Sulfonyl azide composition for sulfur scavenging in oilfield operations

Embodiments described herein provide corrosion inhibitors that use hyperbranched polymer molecules functionalized with amino carboxylic acids, epoxides, and/or long chain fatty acids, or combinations thereof. Nitrogen atoms in such molecules can be quaternized to increase water solubility if needed. Such hyperbranched polymer corrosion inhibitors can be used in all stages of oil and gas operation.

Hyperbranched corrosion inhibitors

Corrosion inhibition compositions and methods useful for inhibiting corrosion are provided. The corrosion inhibition compositions comprise at least one coupling agent and at least one corrosion inhibitor, wherein the at least one coupling agent is at least one of one or more ether amines, one or more ether amine oxides, and at least one combination thereof, and the at least one corrosion inhibitor is at least one selected from one or more thiophosphates, one or more polyphosphate esters, one or more imidazolines, one or more quinolines, one or more alkynols, one or more alkynol derivatives, and at least one combination thereof. The methods for inhibiting corrosion on metal surfaces utilize the disclosed corrosion inhibiting compositions.

Coupling agents for use in corrosion inhibiting compositions

Corrosion inhibition compositions and methods useful for inhibiting corrosion are provided. The corrosion inhibition compositions comprise at least one filming agent and at least one promoting agent and the methods for inhibiting corrosion on metal surfaces utilize the disclosed corrosion inhibiting compositions.

Corrosion inhibitor

The present invention relates to a corrosion inhibitor for use in the oil and gas exploration, recovery and processing industries. In particular, the invention relates to a quaternary ammonium compound suitable for use as such a corrosion inhibitor, to the manufacture of the quaternary ammonium compound, to compositions containing it, and to methods of using it. Quaternary ammonium compounds of the invention have the formula (I) in which R is Calkyl, Calkenyl, aryl, aralkyl; X, Y, and Z are each independently hydrogen, or R1CO&#x2014;, provided that at least one of X, Y and Z is R1CO, where R1 is Calkyl or alkenyl containing 0, 1, 2 or 3 double bonds; D is Calkylene; E is Calkylene; p, q and r are each, independently, integers from 0 to 20, with the proviso that p+q+r is from 3 to 20; and Ais an anion. 

Quaternary ammonium corrosion inhibitor

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Aberdeen, United Kingdom

Alyn Jenkins