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  • nergy Services Inc.Surfactant additives used to retain producibility while drillingUS8158562Apr 27, 2007Apr 17, 2012Clearwater International, LlcDelayed hydrocarbon gel crosslinkers and methods for making and using sameUS8172952Feb 21, 2007May 8, 2012Clearwater International, LlcReduction of hydrogen sulfide in water treatment systems or other systems that collect and transmit bi-phasic fluidsUS81
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  • google.com