Patents by Inventor Jim D. Kerchevile

Jim D. Kerchevile has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Silicic acid mud lubricants
    Patent number: 6989352
    Abstract: A lubricant for use in silicic acid muds and other drilling fluids comprising silicate or silica species is disclosed. The lubricant significantly improves the lubricity of the fluid. A method of drilling a wellbore in a subterranean formation employing the lubricant is also disclosed. A preferred lubricant of the invention comprises about 80 volume percent 2-octyldodecanol and about 20 volume percent alkylglucoside. The alkylglucoside is preferably comprised of 2-ethylhexylglucoside or a mixture of alkylglucosides having more than about 10 carbon atoms in the alkyl chain.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: January 24, 2006
    Assignee: Halliburton Energy Services, Inc.
    Inventors: James V. Fisk, Jr., Jim D. Kerchevile, Kenneth W. Pober
  • Silicic acid mud lubricants
    Publication number: 20030232726
    Abstract: A lubricant for use in silicic acid muds and other drilling fluids comprising silicate or silica species is disclosed. The lubricant significantly improves the lubricity of the fluid. A method of drilling a wellbore in a subterranean formation employing the lubricant is also disclosed. A preferred lubricant of the invention comprises about 80 volume percent 2-octyldodecanol and about 20 volume percent alkylglucoside. The alkylglucoside is preferably comprised of 2-ethylhexylglucoside or a mixture of alkylglucosides having more than about 10 carbon atoms in the alkyl chain.
    Type: Application
    Filed: June 12, 2002
    Publication date: December 18, 2003
    Inventors: James V. Fisk, Jim D. Kerchevile, Kenneth W. Pober