Chevron U.s.a. Inc.

Chevron Oronite Company LLC

Chevron Oronite Technology B.v.

Andrew Michael Thomas

Curtis Bay Campbell

Varadarajan Dwarakanath

Gayani W Pinnawala

Ping Wang

Andrew M Davidson

Hye-Kyung Cho Timken

Bong-Kyu Chang

Madeleine Sessions

Mark Anthony Fernandez

Richard E Cherpeck

Theresa Liang Gunawan

Amir Gamal Maria

Man Hon Tsang

Richard Hogendoorn

Ian G Elliott

Richard Eugene Cherpeck

The present disclosure is directed to surfactants (in particular olefin sulfonates), surfactant packages, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making olefin sulfonate surfactants are also described.

Olefin sulfonates

Methods of using olefin sulfonates

Olefin sulfonate compositions

Disclosed is a lubricating engine oil composition for a direct injected, boosted, spark ignited internal combustion engine comprising from about 25 to about 3000 ppm of metal from at least one manganese-containing compound, based on the total weight of the lubricating oil. Also disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with said lubricating engine oil composition.

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with manganesemanganese-containing lubricant

Provided herein are processes for ethylene oligomerization in the presence of an ionic liquid catalyst and a co-catalyst to produce a hydrocarbon product comprising C-Coligomers.

Ethylene oligomerization process for making hydrocarbon liquids

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Albany, CA, United States of America

Andrew Michael Thomas