Patents by Inventor Crystal Lynne Keys

Crystal Lynne Keys 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).

  • Settable compositions containing metakaolin having reduced portland cement content
    Patent number: 8627888
    Abstract: Of the many compositions and methods provided herein, one method includes providing a settable fluid that comprises an aqueous-based medium, a lime composition, and a cementitious blend that comprises metakaolin particulates and aluminosilicate particulates, wherein the cementitious blend is essentially free of Portland cement; introducing the settable fluid into a wellbore penetrating a subterranean formation that comprises a corrosive component; and allowing the settable fluid to set therein.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: January 14, 2014
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Ashok K. Santra, Krishna M. Ravi, Crystal Lynne Keys, Benjamin Iverson, Rahul Patil, Sandip Patil
  • Settable Compositions Containing Metakaolin Having Reduced Portland Cement Content
    Publication number: 20120285682
    Abstract: Of the many compositions and methods provided herein, one method includes providing a settable fluid that comprises an aqueous-based medium, a lime composition, and a cementitious blend that comprises metakaolin particulates and aluminosilicate particulates, wherein the cementitious blend is essentially free of Portland cement; introducing the settable fluid into a wellbore penetrating a subterranean formation that comprises a corrosive component; and allowing the settable fluid to set therein.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 15, 2012
    Inventors: Ashok K. Santra, Krishna M. Ravi, Crystal Lynne Keys, Benjamin Iverson, Rahul Patil, Sandip Patil
  • Wellbore servicing compositions comprising a set retarding agent and methods of making and using same
    Patent number: 7863224
    Abstract: A method of servicing a wellbore comprising preparing a composition comprising a calcium aluminate cement, water, a polyphosphate, a pozzolan, and a set retarding agent, wherein the set retarding agent comprises an alkali halide and a basic phosphate salt, placing the composition in the wellbore and allowing the composition to set. A composition comprising a calcium aluminate cement in an amount of from about 30 wt. % to about 60 wt. % and a set retarding agent in an amount of from about 0.1 wt. % to about 15 wt. % based upon the total weight of the composition, wherein the set retarding agent comprises an alkali halide and a basic phosphate salt in a ratio of from about 3:1 to about 1:3.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: January 4, 2011
    Assignee: Halliburton Energy Services Inc.
    Inventors: Crystal Lynne Keys, Lance E. Brothers
  • Wellbore Servicing Compositions Comprising a Set Retarding Agent and Methods of Making and Using Same
    Publication number: 20100240556
    Abstract: A method of servicing a wellbore comprising preparing a composition comprising a calcium aluminate cement, water, a polyphosphate, a pozzolan, and a set retarding agent, wherein the set retarding agent comprises an alkali halide and a basic phosphate salt, placing the composition in the wellbore and allowing the composition to set. A composition comprising a calcium aluminate cement in an amount of from about 30 wt. % to about 60 wt. % and a set retarding agent in an amount of from about 0.1 wt. % to about 15 wt. % based upon the total weight of the composition, wherein the set retarding agent comprises an alkali halide and a basic phosphate salt in a ratio of from about 3:1 to about 1:3.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 23, 2010
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Crystal Lynne Keys, Lance E. Brothers