发明名称 |
Oil-in-water stable, emulsified spacer fluids |
摘要 |
Some embodiments described herein provide a method comprising method comprising providing an oil-in-water emulsified spacer fluid comprising a binary surfactant mixture, solvent non-aqueous base fluid, and an aqueous base fluid, wherein the binary surfactant mixture comprises a surfactant and an amphiphilic co-surfactant, wherein the surfactant is present in an amount in the range of from about 0.5% to about 30% by weight of the oil-in-water emulsified spacer fluid and wherein the amphiphilic co-surfactant is present in an amount in the range of from about 0.5% to about 30% by weight of the oil-in-water emulsified spacer fluid, and introducing the oil-in-water emulsified spacer fluid into a subterranean formation comprising a residual non-aqueous fluid therein, wherein the binary surfactant mixture in the oil-in-water emulsified spacer fluid emulsifies at least a portion of the residual non-aqueous fluid. |
申请公布号 |
AU2013400729(A1) |
申请公布日期 |
2016.02.11 |
申请号 |
AU20130400729 |
申请日期 |
2013.09.19 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
RAVI, KRISHNA;LEWIS, SAM;AGAPIOU, KYRIACOS |
分类号 |
C09K8/40;E21B33/138 |
主分类号 |
C09K8/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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