The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 02, 2007
Filed:
Jul. 15, 2003
Robert L Horton, Sugar Land, TX (US);
Bethicia Prasek, Houston, TX (US);
Frederick B Growcock, Houston, TX (US);
David Kippie, Katy, TX (US);
John W Vian, Deer Park, TX (US);
Kamila B. Abdur-rahman, Houston, TX (US);
Morris Arvie, Jr., Houston, TX (US);
Robert L Horton, Sugar Land, TX (US);
Bethicia Prasek, Houston, TX (US);
Frederick B Growcock, Houston, TX (US);
David Kippie, Katy, TX (US);
John W Vian, Deer Park, TX (US);
Kamila B. Abdur-Rahman, Houston, TX (US);
Morris Arvie, Jr., Houston, TX (US);
M-I LLC, Houston, TX (US);
Abstract
Compositions for increasing the thermal and pressure stability of well fluids viscosified using viscoelastic surfactants, the compositions including an effective amount of an oligomeric or polymeric compound that has a thermally stable backbone structure and at least one pendent viscoelastic surfactant functional group. Preferred compositions for increasing the stability of well fluids viscosified using monomeric viscoelastic surfactants include an effective amount of an oligomeric or polymeric compound that has a thermally stable backbone structure and a multiplicity of pendent viscoelastic surfactant functional groups attached to said backbone structure through relatively long hydrocarbon chains, 1 to 18 carbons in length.