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1. 发明授权

US4004637A Oil recovery by improved surfactant flooding 失效
标题翻译：通过改善表面活性剂淹水获得油
公开(公告)号：US4004637A
公开(公告)日：1977-01-25
申请号：US553689
申请日：1975-02-27
申请人： Riley B. Needham , Gilbert R. Glinsmann , Donald R. Wier
发明人： Riley B. Needham , Gilbert R. Glinsmann , Donald R. Wier
IPC分类号： C09K8/584 , C09K8/588 , C09K8/84 , E21B43/20 , E21B43/16
CPC分类号： C09K8/845 , C09K8/584 , C09K8/588 , E21B43/20
摘要： The quantity of oil which can be economically recovered from an already waterflooded predominantly oil-wet formation is increased by passing a first solution through the formation to change the formation from its oil-wet to a water-wet state, passing a second solution having high interfacial tension with the oil through the formation to force the oil from the small pores of the formation into larger ones, and passing a third solution having a low interfacial tension between the third solution and the oil through the formation, optionally passing a mobility buffer-solution through the formation to prevent fingering or channeling, and finally passing the driving fluid through the formation.
摘要翻译：通过将第一溶液通过地层，可以从已经水驱的主要是油湿地层中经济地回收的油的量增加，以将地层从其油润湿状态改变到水湿状态，通过具有高的与通过地层的油的界面张力将油从地层的小孔促成较大的油，并且通过地层通过第三溶液和油之间具有低界面张力的第三溶液，任选地通过流动缓冲液 - 解决方案通过形成以防止指法或引导，并最终通过驱动流体通过地层。

2. 发明授权

US4231428A Well treatment method 失效
标题翻译：井治疗方法
公开(公告)号：US4231428A
公开(公告)日：1980-11-04
申请号：US966458
申请日：1978-12-04
申请人： Riley B. Needham , Charles P. Thomas , Donald R. Wier
发明人： Riley B. Needham , Charles P. Thomas , Donald R. Wier
IPC分类号： C09K8/80 , E21B43/267 , E21B43/26
CPC分类号： C09K8/805 , E21B43/267
摘要： In a method of propping a fracture in subterranean formations, the invention comprises placing in the fractures particulate solids such as sand coated with a water-repellent coating composition such as an oil-soluble organo-silicon compound. The water-repellent coated solid particulate propping agent can be prepared by dissolving an oil-soluble organo-silicon compound in a solvent therefor, admixing the resultant solution with particulate material, and thereafter evaporating the solvent to form a coating of organo-silicon compound on the particulate material.
摘要翻译：在地层中支撑断裂的方法中，本发明包括将裂纹中的颗粒固体，例如涂覆有防水涂料组合物如油溶性有机硅化合物的沙子。防水涂布的固体颗粒支持剂可以通过将油溶性有机硅化合物溶解在溶剂中来制备，将所得溶液与颗粒材料混合，然后蒸发溶剂以形成有机硅化合物的涂层颗粒材料。

3. 发明授权

US4049054A Stable mixtures of polymers and surfactants for surfactant flooding 失效
标题翻译：聚合物和表面活性剂的稳定混合物
公开(公告)号：US4049054A
公开(公告)日：1977-09-20
申请号：US730773
申请日：1976-10-08
申请人： Donald R. Wier
发明人： Donald R. Wier
IPC分类号： C09K8/588 , C09K8/90 , E21B43/22
CPC分类号： C09K8/584 , C09K8/588 , Y10S507/936
摘要： An improved fluid for surfactant flooding a subterranean oil-bearing reservoir is prepared by contacting polymer with fresh water in the substantial absence of a salt; thereafter combining the thus-formed polymer solution and a salt solution; and finally adding a surfactant.

4. 发明授权

US4247405A Viscosity-stabilized aqueous solutions 失效
标题翻译：粘度稳定的水溶液
公开(公告)号：US4247405A
公开(公告)日：1981-01-27
申请号：US920884
申请日：1978-06-30
申请人： Donald R. Wier
发明人： Donald R. Wier
IPC分类号： C09K8/588 , C09K8/70 , E21B43/22 , E21B43/24 , E21B43/26
CPC分类号： C09K8/584 , C09K8/588 , C09K8/592 , C09K8/594 , C09K8/703 , Y10S507/936
摘要： Thiourea functions as a solution viscosity stabilizer in aqueous compositions comprising thiourea, nonionic polymers such as polyalkylene oxides and anionic surfactants such as petroleum sulfonates. The aqueous compositions are useful in connection with fluid-drive oil recovery processes, processes for drilling, completing, or working over wells, or the like processes in which a thickened fluid is injected into or brought into contact with a subterranean earth formation.
摘要翻译：硫脲作为包含硫脲，非离子聚合物如聚环氧烷和阴离子表面活性剂如石油磺酸盐的水性组合物中的溶液粘度稳定剂起作用。含水组合物可用于流体驱动油回收方法，钻井，完井或在井中工作的过程，或其中增稠流体被注入或与地下地层接触的类似方法。

5. 发明授权

US4124073A Method of using viscosity-stabilized aqueous solutions 失效
标题翻译：使用粘度稳定的水溶液的方法
公开(公告)号：US4124073A
公开(公告)日：1978-11-07
申请号：US740273
申请日：1976-11-09
申请人： Donald R. Wier
发明人： Donald R. Wier
IPC分类号： C09K8/588 , C09K8/592 , C09K8/70 , E21B43/24 , E21B43/22 , E21B33/138
CPC分类号： C09K8/584 , C09K8/588 , C09K8/592 , C09K8/703 , E21B43/24
摘要： Thiourea functions as a solution viscosity stabilizer in aqueous compositions comprising thiourea, nonionic polymers such as polyalkylene oxides and anionic surfactants such as petroleum sulfonates. The aqueous compositions are useful in connection with fluid-drive oil recovery processes, processes for drilling, completing or working over wells, or the like processes in which a thickened fluid is injected into or brought into contact with a subterranean earth formation.
摘要翻译：硫脲作为包含硫脲，非离子聚合物如聚环氧烷和阴离子表面活性剂如石油磺酸盐的水性组合物中的溶液粘度稳定剂起作用。含水组合物可用于流体驱动油回收方法，钻井，在井中完成或加工的工艺，或其中将增稠流体注入或与地下地层接触的类似方法。

6. 发明授权

US4544206A Slug-type in situ recovery of mineral values 失效
标题翻译：矿物矿物的矿物原位回收
公开(公告)号：US4544206A
公开(公告)日：1985-10-01
申请号：US449362
申请日：1982-12-13
申请人： Donald R. Wier , Gordon D. Gillham
发明人： Donald R. Wier , Gordon D. Gillham
IPC分类号： E21B43/28
CPC分类号： E21B43/28
摘要： Mineral values, particularly uranium, are recovered in situ from a heterogeneous subsurface earth formation containing the mineral values, which formation comprises zones of both high and low permeability, including injecting a plurality of separate slugs of leach solution adapted to solvate the mineral values into at least one injection well in communication with all zones of the formation, injecting a slug of a gas which is essentially insoluble in the leach solution between each two successive volumes of leach solution and withdrawing the pregnant leach solution, containing mineral values, from at least one production well in communication with all zones of the formation. The method can be further improved by injecting a mobility modifier, adapted to decrease the mobility of the leach solution, at the trailing end and/or leading end of the leach solution which is in contact with a slug of the gas. In a preferred embodiment, the mineral values contain significant amounts of uranium.
摘要翻译：矿物特别是铀矿从包含矿物含量的非均质地下地层中原位回收，该地层包含高渗透率和低渗透率的区域，包括注入多个独立的浸出溶液絮块，将矿物质溶解成为至少一个与地层的所有区域连通的注入井，在每两个连续体积的浸出溶液之间注入基本上不溶于浸出溶液的气体块，并从含有矿物质值的至少一个生产与各地形成沟通。该方法可以通过在与气体的块状物接触的浸出溶液的尾端和/或前端处注入适于降低浸出溶液的迁移率的迁移率调节剂进一步改进。在优选的实施方案中，矿物含量含有大量的铀。

7. 发明授权

US4569393A CO.sub.2 -Induced in-situ gelation of polymeric viscosifiers for permeability contrast correction 失效
标题翻译： CO2诱导的聚合物增粘剂的原位凝胶化用于渗透性对比度校正
公开(公告)号：US4569393A
公开(公告)日：1986-02-11
申请号：US578393
申请日：1984-02-09
申请人： Donald D. Bruning , Donald R. Wier
发明人： Donald D. Bruning , Donald R. Wier
IPC分类号： C09K8/512 , C09K8/594 , C09K8/88 , E21B43/16 , E21B33/138 , E21B43/22 , E21B43/24
CPC分类号： C09K8/887 , C09K8/512 , C09K8/594 , E21B43/164 , Y02P90/70
摘要： A water permeability contrast correction process to improve the sweep efficiency of waterflooding which involves the sequential injection of (1) an optional aqueous preflush slug to adjust connate water salinity, (2) an aqueous thickened slug comprising a sequestered polyvalent metal cation such as aluminum citrate and a gelable polymeric viscosifier such as polyacrylamide, (3) carbon dioxide to decrease the pH of the polymer slug which triggers the delayed in-situ gelation of said thickened slug to preferentially decrease water permeability in highly permeable thief zones, and (4) an aqueous drive fluid.
摘要翻译：一种水渗透性对比度校正方法，用于提高注水的扫掠效率，其包括顺序注入（1）任选的含水预冲洗块以调节原生水盐度，（2）包含螯合的多价金属阳离子的水性增稠块，例如柠檬酸铝和可凝胶聚合物增粘剂如聚丙烯酰胺，（3）二氧化碳，以降低聚合物块的pH，其引发所述增稠团块的延迟原位凝胶化，以优先降低高渗透性小偷区域中的透水性，以及（4）水驱动液。

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