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1.发明授权
公开(公告)号：US4293428A
公开(公告)日：1981-10-06
申请号：US870313
申请日：1978-01-18
CPC分类号： C09K8/584 , Y10S516/02 , Y10S516/03 , Y10S516/04
摘要： A method for recovering oil from a subterranean formation is disclosed wherein a novel solution is injected into and driven through the formation. The solution contains an effective amount of surface-active agent having the general formulaR.sub.1 O(C.sub.3 H.sub.6 O,.sub.m (C.sub.2 H.sub.4 O).sub.n YXwhereinR.sub.1 is a linear or branched alkyl radical, an alkenyl radical, or an alkyl or alkenyl substituted benzene radical, the non-aromatic portion of the radical containing from about 6 to about 24 carbon atoms;m has an average value of between about 1 and about 10;n has an average value of between about 1 and about 10;Y is a hydrophilic group; andX is a cation, preferably monovalent.
摘要翻译： 公开了一种从地层中回收油的方法，其中将新的溶液注入和驱动通过地层。 该溶液含有有效量的具有通式R 1 O（C 3 H 6 O，m（C 2 H 4 O）n Y X）的表面活性剂，其中R 1是直链或支链烷基，烯基或烷基或烯基取代的苯基， 含有约6至约24个碳原子的基团的芳族部分; m具有约1至约10的平均值; n具有约1至约10的平均值; Y是亲水基团; X是 阳离子，优选一价。
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公开(公告)号：US3946812A
公开(公告)日：1976-03-30
申请号：US557719
申请日：1975-03-12
摘要： One embodiment includes an oil recovery process, more particularly a secondary or tertiary type crude oil recovery process utilizing a drive fluid to move a displacing fluid through a subterranean formation wherein the displacing fluid displaces crude oil therefrom and is driven through the formation by means of the drive fluid. The crude oil recovery process is improved by utilizing as the drive fluid a thickened, transparent, aqueous solution of a water-soluble sulfated, polyethoxylated C.sub.10 -C.sub.18 primary alcohol or alkylated phenol. The displacing fluid is generally an aqueous surfactant solution, a miscible displacing medium or most preferably a microemulsion. In a further embodiment, the water-soluble, polyethoxylated C.sub.10 -C.sub.18 primary alcohol or alkylated phenol is employed as a mobility control agent in a waterflood thereby increasing the sweep efficiency thereof.
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公开(公告)号：US3977471A
公开(公告)日：1976-08-31
申请号：US616981
申请日：1975-09-26
CPC分类号： C09K8/584 , Y10S507/938
摘要： A method is disclosed for recovering oil from a subterranean oil-bearing formation wherein a liquid solution in injected into and driven through the formation and oil is recovered from the formation. The liquid solution contains an effective amount of a surface-active agent having the general formula: ##EQU1## or ##EQU2## wherein R.sub.1 is a benzene, toluene, or xylene radical having a linear or branched alkyl substituent containing from 6 to 24 carbon atoms;R.sub.2 is an alkyl, cycloalkyl, alkene or aryl radical containing up to 8 carbon atoms;R.sub.3 is a hydrogen atom, a hydroxyl radical, or an aliphatic radical containing from 1 to 8 carbon atoms;n has a value of 2 or 3;m has an average value of from 1 to 20; andX is a cation.
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