Synergistic surfactant compositions for unloading fluids from oil and gas wells
OwnerJiang Yanginventor
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Abstract
A method for unloading fluids from an oil and gas well, pipeline or flowline includes using a synergistic combination of an alkyl glucoside and an amphoteric surfactant as a foaming composition. Use of the combination foaming composition improves unloading of formation fluids, particularly production fluids having natural gas condensate and water and therefore increases the rate of production from the oil and gas well.
Claims22
A method for foaming production fluid comprising injecting a foaming composition comprising a mixture of an alkyl glucoside and an amphoteric surfactant into a production fluid.
A composition, suitable for foaming a production fluid comprising an alkyl glucoside and an amphoteric surfactant.
A method for unloading production fluid from an oil and gas well comprising injecting a foaming composition comprising a mixture of alkyl glucoside and an amphoteric surfactant downhole into the production fluid.
A method for unloading production fluid from a pipeline or a flowline comprising injecting a foaming composition comprising a mixture of alkyl glucoside and an amphoteric surfactant into production fluid in the pipeline or flowline.
The method of claim 22 wherein the amphoteric surfactant is selected from the group consisting of alkyl betaines, alkylamidopropyl betaines, alkylampho acetates, alkylampho propionates, alkyl hydroxysultaines, alkylamidopropyl hydroxysultaines, and combinations thereof.
Dependencies are inferred from the claim text.