Treatment fluids comprising clarified xanthan and associated methods

US7825073B2 · kind B2 · utility

Assignee

• Halliburton Energy Services, Inc. · US

Inventors

• Thomas D. Welton · Duncan, US
• Michael W. Sanders · Houston, US
• Jeffery L. Mundy · Duncan, US
• Sean R. Beach · Duncan, US
• Richard W. Pauls · Duncan, US
• Phillip C. Harris · Duncan, US
• Stanley J. Heath · Duncan, US
• David E. McMechan · Duncan, US
• Christina A. Parkinson · Anchorage, US
• Harold Grayson Walters · Duncan, US
• Jason E. Bryant · Duncan, US
• Trinidad Munoz · Duncan, US
• Rajesh Kumar Saini · Duncan, US
• Bobby J. Burns · Duncan, US

Key dates

• Filing date: Aug 10, 2007
• Grant date: Nov 2, 2010
• Expiry date: Sep 15, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K8/90
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Methods are provided that include a method comprising providing a viscosified treatment fluid comprising a base fluid and a gelling agent that comprises a clarified xanthan; and placing the viscosified treatment fluid into at least a portion of a subterranean formation. In some embodiments, the method comprises placing the viscosified treatment fluid into at least a portion of a subterranean formation at a pressure sufficient to create or enhance at least one fracture in the subterranean formation. In some embodiments, the viscosified treatment fluid may also comprise a plurality of particulates. In some embodiments, the viscosified treatment fluids may be placed into at least a portion of a pipeline. Additional methods are also provided.