Patents by Inventor Dale Stanley Steichen

Dale Stanley Steichen 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).

  • Polyamide emulsifier based on polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications
    Patent number: 8765644
    Abstract: The present invention generally relates to emulsifiers for oil-based drilling fluids and muds comprising an emulsifier based on the polyamides derived from fatty acid/carboxylic acid and optionally alkoxylated polyamines. The invention also relates to oil or synthetic based drilling fluids comprising the emulsifiers of the invention and to drilling methods utilizing same.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: July 1, 2014
    Assignee: Akzo Nobel N.V.
    Inventors: Hua Yu, Dale Stanley Steichen, Alan Duncan James, Jon B. Staley, Thomas William Himmel
  • Low residue formation fracturing
    Publication number: 20130186630
    Abstract: The present invention generally relates to a low residue hydraulic fracturing fluid which comprises an aqueous fluid and at least one polymeric gelling agent, wherein said polymeric gelling agent comprises at least one crosslinked, modified starch. The invention also relates to a method of fracturing a subterranean formation through the use of the aforementioned fracturing fluid.
    Type: Application
    Filed: October 4, 2011
    Publication date: July 25, 2013
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hua Yu, Jian Zhou, Daniel Bernard Solarek, Dale Stanley Steichen
  • Polyamide Emulsifier Based on Polyamines and Fatty Acid/Carboxylic Acid for Oil Based Drilling Fluid Applications
    Publication number: 20110306523
    Abstract: The present invention generally relates to emulsifiers for oil-based drilling fluids and muds comprising an emulsifier based on the polyamides derived from fatty acid/carboxylic acid and optionally alkoxylated polyamines. The invention also relates to oil or synthetic based drilling fluids comprising the emulsifiers of the invention and to drilling methods utilizing same.
    Type: Application
    Filed: May 12, 2009
    Publication date: December 15, 2011
    Inventors: Hua Yu, Dale Stanley Steichen, Alan Duncan James, Jon B. Staley, Thomas William Himmel
  • METHOD OF CLEANING OIL CONTAMINATED SOLID PARTICULATES
    Publication number: 20110168208
    Abstract: The present invention generally relates to a process for the cleaning oil contaminants from solid particulates. The invention also relates to a process and a surfactant composition for cleaning oil contaminated solids, such as cuttings, from oil and gas well drilling operations, and the separation and recovery of the oil from solid particulates.
    Type: Application
    Filed: September 9, 2009
    Publication date: July 14, 2011
    Applicant: Akzo Nobel N.V.
    Inventors: Dale Stanley Steichen, Hua Yu