Back to results
US 6,191,076 B1Granted
Method of converting olefins into mixtures of secondary esters, products and uses thereof
AssigneeChevron Phillips Chemical Company LC
InventorJeffery C. Gee
Life of this patent
Estimating the term…
Abstract
An esterification process and the products resulting from it which achieves a mixture of secondary esters which are effectively used with invert drilling muds, the process involving the addition of one or more C1-C5 carboxylic acids and one or more C3-C22 olefins in the presence of an acid catalyst.
Claims3
An invert emulsion drilling fluid comprising:
- (a) a continuous phase comprising a mixture of secondary esters selected from the group consisting of propylcarboxylates, butylcarboxylates, pentylcarboxylates, hexylcarboxylates, heptylcarboxylates, octylcarboxylates, nonylcarboxylates, decylcarboxylates, undecylcarboxylates, dodecylcarboxylates, tridecylcarboxylates, tetradecylcarboxylates, pentadecylcarboxylates, hexadecylcarboxylates, heptadecylcarboxylates, octadecylcarboxylates, nonadecylcarboxylates, eicosylcarboxylates, uneicocarboxylates, doeicosylcarboxylates and isomers and mixtures thereof, wherein the secondary esters each have a carboxylate moiety with from one to five carbon atoms;
- (b) a weight material;
- and
- (c) water.
1 more element
Dependencies are inferred from the claim text.