METHODS OF BIOSYNTHESIZING BACTERIAL EXTRACELLULAR GALACTOMANNAN POLYSACCHARIDES AND SUBUNITS THEREOF FOR USE IN SUBTERRANEAN FORMATION OPERATIONS
First Claim
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1. A method comprising:
- providing a feedstock, wherein the feedstock further comprises 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.
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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.
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Citations
20 Claims
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1. A method comprising:
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providing a feedstock, wherein the feedstock further comprises 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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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providing an extracellular galactomannan polysaccharide, wherein the extracellular polysaccharide is formed by the fermenting bacteria effective at fermenting mannose and galactose in the presence of a feedstock, wherein the feedstock further comprises mannose and galactose; and preparing a treatment fluid comprising an aqueous base fluid and the extracellular galactomannan polysaccharide; and introducing the treatment fluid into a subterranean formation. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method comprising:
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preparing a treatment fluid comprising an aqueous base fluid and an extracellular galactomannan polysaccharide, wherein the extracellular galactomannan polysaccharide is formed by the fermenting bacteria effective at fermenting mannose and galactose in the presence of a feedstock, wherein the feedstock further comprises mannose and galactose, and wherein the extracellular polysaccharide is purified; and introducing the treatment fluid into a subterranean formation. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification