Water compatible hydraulic fluids
AssigneeSchlumberger Technology Corporation
InventorsAlexander Zazovsky, Jian Zhou, Christopher Del Campo, Golchehreh Salamat, Diankui Fu, Jese C. Lee
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Abstract
A composition for use in an oil chamber of a tool includes a hydraulic oil; and a surfactant, wherein the surfactant is present at an amount sufficient to form micelles in the hydraulic oil. The composition may further include an amphiphilic copolymer. A method includes providing a hydraulic fluid composition comprising a hydraulic oil and a surfactant capable of forming micelles in the hydraulic oil; and filling a hydraulic chamber in the tool with the hydraulic fluid composition. The hydraulic fluid composition may further include an amphiphilic copolymer.
Claims4
A fluid composition, comprising:
- a) a hydraulic oil;
- b) a surfactant, wherein the surfactant is present at an amount sufficient to form inverted micelles in the hydraulic oil, and prevent the hydraulic oil from forming an electrically conductive path;
- c) an amphiphilic copolymer;
- and
- wherein the surfactant is ionic surfactant and is selected from the group consisting of sodium bis(2-ethylhexyl)sulfosuccinate (AOT), didodecyldimethylammonium bromide (DDAB), dodecyltrimethyl ammonium bromide (DTAB), and sodium dodecyl sulfate (SDS), wherein the fluid composition is used in an oil chamber of a tool.
Dependencies are inferred from the claim text.