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. 10, 2017
Filed:
Feb. 26, 2014
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Jimmie D. Weaver, Duncan, OK (US);
David Loveless, Houston, TX (US);
Nathan Carl Schultheiss, Houston, TX (US);
Ali Alwattari, Houston, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 19/04 (2006.01); C09K 8/90 (2006.01); E21B 43/16 (2006.01); C09K 8/035 (2006.01); C09K 8/68 (2006.01); C09K 8/08 (2006.01);
U.S. Cl.
CPC ...
C12P 19/04 (2013.01); C09K 8/035 (2013.01); C09K 8/08 (2013.01); C09K 8/68 (2013.01); C09K 8/905 (2013.01); E21B 43/16 (2013.01); C09K 2208/30 (2013.01);
Abstract
Methods of biosynthesizing bacterial extracellular galactomannan polysaccharides for use in subterranean formation operations such as drilling operations, fracturing operations, or gravel packing operations including providing a feedstock comprising mannose and galactose; providing bacteria effective at fermenting mannose and galactose; introducing the bacteria to the feedstock; and fermenting the bacteria so as to produce an extracellular galactomannan polysaccharide.