Method for injecting water in fluid-storing rocks containing clay
materials
    2.
    发明授权
    Method for injecting water in fluid-storing rocks containing clay materials 失效
    在含有粘土材料的流体储存岩石中注入水的方法

    公开(公告)号:US4903773A

    公开(公告)日:1990-02-27

    申请号:US319830

    申请日:1989-03-03

    IPC分类号: C09K8/60

    CPC分类号: C09K8/607

    摘要: A method for injecting water into fluid storing rocks containing clay minerals, in particular in hydrocarbon sites formed by sandstones, sands, marlaceous sandstones, water storing rocks, geothermic circulation sites, in zones in the vicinity of wells, extending to large sites. Continuously or discontinuously compounds are introduced into the storing rocks having a hydrated cation diameter in the range between 0.13 and 0.15 nm, a coordination number 12. The compounds are preferably potassium-, and/or ammonium-, and/or zirconium salts. Depending on the clay content of the storing rock, stabilization is performed by using a solution of the enumerated salts in a concentration of 0.1-500 g/l, advantageously 0.1 to 300 g/l, and in a quantity of 0.5 to 5000 m.sup.3, preferably 50 to 3000 m.sup.3, which is related to the vertical dimension of the rock, expressed in meters.

    摘要翻译: 将水分注入到含有粘土矿物的流体储存岩石中的方法,特别是在井附近的区域,由砂岩,沙粒,砂质砂岩,储水岩石,地热循环点形成的碳氢化合物位点。 将连续或不连续的化合物引入具有0.13至0.15nm范围内的水合阳离子直径的配位数12的储存岩石中。化合物优选为钾盐和/或铵盐和/或锆盐。 根据储存岩石的粘土含量,通过使用浓度为0.1-500g / l,有利地为0.1至300g / l和0.5至5000m 3的量的枚举的盐的溶液进行稳定化, 优选为50〜3000m 3,这与岩石的垂直尺寸有关,以米为单位。

    Process for increasing the yield of oil reservoirs
    3.
    发明授权
    Process for increasing the yield of oil reservoirs 失效
    提高油藏产量的方法

    公开(公告)号:US4844155A

    公开(公告)日:1989-07-04

    申请号:US187238

    申请日:1988-04-28

    摘要: An improvement is presented in a process for increasing the yield of production wells in crude oil reservoirs having inhomogenous strata, wherein an aqueous solution of a salt is injected through an injection well into the reservoir, without causing fracturing thereof, and then salt crystals are formed at stratum temperature by removing water from the solution. If desired, the salt crystals can be redissolved and reformed at other parts of the reservoir.

    摘要翻译: 在具有不均匀层的原油储层中提高生产井的产量的方法中提出了改进,其中盐的水溶液通过注入井注入储层,而不会造成其破裂,然后形成盐晶 在层温下通过从溶液中除去水分。 如果需要,盐晶体可以重新溶解并在储存器的其他部分重新形成。