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US 10,479,924 B2Granted
Packing fluids and methods
AssigneeHalliburton Energy Services, Inc.
InventorsWilliam Walter Shumway, Cato Russell McDaniel, Dale E. Jamison
Life of this patent
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Abstract
Packing fluids that include (a) an aqueous solvent, and optionally one or more water-miscible organic liquids; and (b) one or more organic cationic and/or alkali metal tungstates, molybdates, and/or silicates dissolved in the solvent are disclosed. The fluid may be substantially free of salts and esters of formic acid. The disclosure further relates to methods of making and using the packing fluids.
Claims8
A packing fluid comprising:
- (a) an aqueous solvent;
- (b) ammonium tungstate dissolved in the solvent;
- and
- (c) one or more solid weighting agents,
- the ammonium tungstate is in an amount such that the density of the packing fluid is from about 15 lbs/gal to about 22 lbs/gal.
2 more elements
Dependencies are inferred from the claim text.