Alumina wellbore cement composition
    1.
    发明授权
    Alumina wellbore cement composition 失效
    氧化铝井筒水泥组成

    公开(公告)号:US5488991A

    公开(公告)日:1996-02-06

    申请号:US327725

    申请日:1994-10-24

    摘要: A high alumina wellbore cementing composition is provided, the composition comprising:a) high alumina cement; andb) a polyacrylic acid phosphinate having a molecular weight of about 3800 in an amount effective to prevent gelation of the cementing composition for a time period of at least three hours.This composition can remain pumpable for a time period sufficiently long to place the cement in a wellbore using conventional wellbore cementing procedures, and, after the composition is cured, is capable of withstanding elevated wellbore temperatures.

    摘要翻译: 提供了高氧化铝井眼胶结剂组合物,该组合物包含:a)高铝水泥; 和b)具有约3800分子量的聚丙烯酸次膦酸盐,其用量有效地防止粘合剂组合物凝胶化至少3小时。 该组合物可保持可泵送一段足够长的时间,以便使用传统的井筒固井程序将水泥放置在井眼中,并且在组合物固化之后,能够承受高的井筒温度。

    Conversion of oil-base mud to oil mud-cement
    4.
    发明授权
    Conversion of oil-base mud to oil mud-cement 失效
    油底泥转化为油泥泥

    公开(公告)号:US5382290A

    公开(公告)日:1995-01-17

    申请号:US210637

    申请日:1995-04-17

    摘要: A water-in-oil emulsion drilling fluid can be converted into an oil mud-cement slurry for use in oil well cementing procedures. Also, a universal fluid can be prepared using the water-in-oil emulsion drilling fluid by treating with an hydraulic material so that it will lay down a filter cake during drilling which can be triggered to set into a hard cement and bond to the formation after the above oil mud-cement slurry has been placed in the borehole at the conclusion of drilling.

    摘要翻译: 油包水乳液钻井液可以转化为用于油井固井程序的油泥 - 泥浆。 此外,可以使用油包水乳液钻井液通过用水力材料处理来制备通用流体,使得其在钻井期间放置滤饼,其可以被触发以固定成硬质水泥并结合到地层 在钻井结束之后将上述油泥泥浆置于井眼之后。

    Blast furnace slag spacer
    5.
    发明授权
    Blast furnace slag spacer 失效
    高炉炉渣隔板

    公开(公告)号:US5316083A

    公开(公告)日:1994-05-31

    申请号:US999239

    申请日:1992-12-31

    摘要: A spacer fluid containing blast furnace slag is utilized in a well drilling operation. In one embodiment an oil emulsion drilling fluid is displaced using spacer fluid comprising water, blast furnace slag and a surfactant. In another embodiment a spacer fluid comprising blast furnace slag and water is used in the cementing of an annulus surrounding a pipe with a blast furnace slag cementitious slurry.

    摘要翻译: 在钻井操作中使用含有高炉渣的间隔流体。 在一个实施例中,使用包括水,高炉矿渣和表面活性剂的间隔液来移动油乳液钻井液。 在另一个实施例中,包括高炉矿渣和水的间隔流体用于围绕管道的环形物与高炉矿渣水泥浆料的粘结。

    Well fluid for in-situ borehole repair
    6.
    发明授权
    Well fluid for in-situ borehole repair 失效
    良好的流体用于原位钻孔修复

    公开(公告)号:US5309997A

    公开(公告)日:1994-05-10

    申请号:US964982

    申请日:1992-10-22

    摘要: A method for consolidating incompetent formations penetrated by a borehole using drilling fluids. The method uses a water-based drilling fluid the solids contents of which includes microfine-ground blast furnace slag. This provides a fluid that will penetrate the incompetent formation and harden in place to consolidate the formation. Subsequent cementing with a cementitious slurry comprising water, activator and normally-ground blast furnace slag results in a compatible cement which will adhere to filter cake from the drilling.

    摘要翻译: 一种利用钻井液固结钻孔渗透的不合格的方法。 该方法采用水泥钻井液,其固体含量包括微细粉碎高炉矿渣。 这提供了将渗透无能地层并在适当位置硬化以巩固地层的流体。 随后用包含水,活化剂和常磨高炉矿渣的水泥浆进行固井,产生一种相容的粘结剂,其将粘附在钻孔中的滤饼上。

    Method for conversion of oil-base mud to oil mud-cement
    7.
    发明授权
    Method for conversion of oil-base mud to oil mud-cement 失效
    将油基泥浆转化为油泥泥浆的方法

    公开(公告)号:US5213160A

    公开(公告)日:1993-05-25

    申请号:US961217

    申请日:1992-10-15

    摘要: A water-in-oil emulsion drilling fluid can be converted into an oil mud-cement slurry for use in oil well cementing procedures. Also, a universal fluid can be prepared using the water-in-oil emulsion drilling fluid by treating with an hydraulic material so that it will lay down a filter cake during drilling which can be triggered to set into a hard cement and bond to the formation after the above oil mud-cement slurry has been placed in the borehole at the conclusion of drilling.

    摘要翻译: 油包水乳液钻井液可以转化为用于油井固井程序的油泥 - 泥浆。 此外,可以使用油包水乳液钻井液通过用水力材料处理来制备通用流体,使得其在钻井期间放置滤饼,其可以被触发以固定成硬质水泥并结合到地层 在钻井结束之后将上述油泥泥浆置于井眼之后。

    Cementing with blast furnace slag using spacer
    8.
    发明授权
    Cementing with blast furnace slag using spacer 失效
    用高炉矿渣固定

    公开(公告)号:US5333690A

    公开(公告)日:1994-08-02

    申请号:US999750

    申请日:1992-12-31

    摘要: A spacer fluid containing blast furnace slag is utilized in a well drilling operation. In one embodiment an oil emulsion drilling fluid is displaced using spacer fluid comprising water, blast furnace slag and a surfactant. In another embodiment a spacer fluid comprising blast furnace slag and water is used in the cementing of an annulus surrounding a pipe with a blast furnace slag cementitious slurry.

    摘要翻译: 在钻井操作中使用含有高炉渣的间隔流体。 在一个实施例中,使用包括水,高炉矿渣和表面活性剂的间隔液来移动油乳液钻井液。 在另一个实施例中,包括高炉矿渣和水的间隔流体用于围绕管道的环形物与高炉矿渣水泥浆料的粘结。