Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Patent
1994-12-21
1997-01-07
Raymond, Richard L.
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
507110, 536114, F21B 4326
Patent
active
055916996
ABSTRACT:
A non-acetylated but otherwise unmodified xanthan heteropolysaccharide polymer plus guar gum, is employed to impart viscosity to an aqueous particle transport fluid (such as a drilling fluid, a fracturing fluid, or a filter structure emplacement fluid) sufficient to suspend mineral particles. A cross linking agent can also be employed to decrease the amounts of xanthan heteropolysaccharide polymer and guar gum which are needed for particle suspension.
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E. I. Du Pont de Nemours and Company
Raymond Richard L.
Shipley James E.
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