Method useful for controlling fluid loss in subterranean formations
    6.
    发明申请
    Method useful for controlling fluid loss in subterranean formations 有权
    用于控制地层中流体损失的方法

    公开(公告)号:US20060283592A1

    公开(公告)日:2006-12-21

    申请号:US11485199

    申请日:2006-07-12

    摘要: Methods that include a method comprising: providing a treatment fluid comprising an aqueous base fluid and a relative permeability modifier, wherein the relative permeability comprises a water-soluble polymer having hydrophobic or hydrophilic modification; introducing the treatment fluid into an interval of a well bore penetrating the subterranean formation; creating one or more perforations through a hydrajetting tool in the interval of the well bore, wherein the perforations extend from the well bore and into the subterranean formation; and allowing the treatment fluid to contact a portion of the subterranean formation.

    摘要翻译: 包括一种方法的方法包括:提供一种包含基础水溶液和相对渗透性改性剂的处理流体,其中相对渗透率包括具有疏水性或亲水性改性的水溶性聚合物; 将处理流体引入渗透到地下地层的井眼的间隔中; 在所述井眼的间隔中通过水力喷射工具产生一个或多个穿孔,其中所述穿孔从所述井眼延伸到所述地下地层中; 并且允许处理流体接触地下地层的一部分。

    Well treatment fluid and methods with oxidized polysaccharide-based polymers
    7.
    发明申请
    Well treatment fluid and methods with oxidized polysaccharide-based polymers 审中-公开
    处理液和氧化多糖类聚合物的方法

    公开(公告)号:US20050261139A1

    公开(公告)日:2005-11-24

    申请号:US11190431

    申请日:2005-07-27

    IPC分类号: C09K3/00 E21B33/13 E21B43/22

    摘要: The present invention provides a well treatment fluid containing water, a amine-based polymer, and an oxidized polysaccharide-based polymer. The oxidized polysaccharide-based polymer is able to crosslink with the amine-based polymer and produce a gel having a viscosity of greater than about 20 cp, measured at a pH of about 4 to about 7 and at STP. The present invention also provides a method of treating a subterranean formation penetrated by a wellbore comprising the steps of: (a) forming the well treatment fluid, and (b) contacting the subterranean formation with the fluid.

    摘要翻译: 本发明提供一种含有水,胺类聚合物和氧化多糖类聚合物的良好处理流体。 氧化的多糖类聚合物能够与胺类聚合物交联并产生粘度大于约20cp的凝胶,其在约4至约7的pH和STP下测量。 本发明还提供了一种处理井眼穿透的地层的方法,包括以下步骤:(a)形成井处理流体,和(b)使地层与流体接触。

    Well treatment fluid and methods for blocking permeability of a subterranean zone
    8.
    发明申请
    Well treatment fluid and methods for blocking permeability of a subterranean zone 有权
    良好的处理液和阻止地下区渗透性的方法

    公开(公告)号:US20050230113A1

    公开(公告)日:2005-10-20

    申请号:US10826615

    申请日:2004-04-16

    IPC分类号: C09K8/508 C09K8/512 E21B43/16

    摘要: The present invention provides a method and treatment fluid for blocking the permeability of an elevated-temperature zone in a reservoir of a subterranean formation penetrated by a wellbore, the method comprising the steps of: a) selecting the zone to be treated, wherein the upper limit of the temperature range of the zone is equal to or greater than 190° F. (88° C.); b) forming a well treatment fluid comprising: water; a water-soluble polymer comprising polymerized vinyl amine units; and an organic compound capable of crosslinking with the vinyl amine units of the water-soluble polymer; c) selecting the water-soluble polymer and the organic compound of the well treatment fluid such that the gel time of the well treatment fluid is at least 2 hours when measured at the upper limit of the temperature range of the zone; and d) injecting the well treatment fluid through the wellbore and into the zone.

    摘要翻译: 本发明提供了一种用于阻挡由井眼渗透的地下储层中的高温区的渗透性的方法和处理流体,所述方法包括以下步骤:a)选择待处理的区域,其中上层 该区域的温度范围的限度等于或大于190°F(88°C); b)形成良好的处理流体,包括:水; 包含聚合的乙烯基胺单元的水溶性聚合物; 和能够与水溶性聚合物的乙烯基胺单元交联的有机化合物; c)选择水溶性聚合物和井处理流体的有机化合物,使得当在该区域的温度范围的上限处测量时,井处理流体的凝胶时间为至少2小时; 以及d)将井处理流体注入井眼并进入该区域。

    Treatment fluids and methods of use in subterranean formations
    9.
    发明申请
    Treatment fluids and methods of use in subterranean formations 审中-公开
    处理液和地下地层中使用的方法

    公开(公告)号:US20050059556A1

    公开(公告)日:2005-03-17

    申请号:US10832163

    申请日:2004-04-26

    摘要: The present invention relates to subterranean treatment operations, and more particularly to improved bridging agents comprising a degradable material, improved subterranean treatment fluids comprising such improved bridging agents, and methods of using such improved subterranean treatment fluids in subterranean formations. An example of a method of the present invention is a method of drilling a well bore in a subterranean formation. Another example of a method of the present invention is a method of forming a self-degrading filter cake in a subterranean formation. Another example of a method of the present invention is a method of degrading a filter cake in a subterranean formation. An example of a composition of the present invention is a treatment fluid including a viscosifier, a fluid loss control additive, and a bridging agent comprising a degradable material. Another example of a composition of the present invention is a bridging agent comprising a degradable material.

    摘要翻译: 本发明涉及地下处理操作,更具体地涉及包含可降解材料的改进的桥连剂,包含这种改进的桥连剂的改进的地下处理流体,以及在地下地层中使用这种改进的地下处理流体的方法。 本发明的方法的一个实例是在地层中钻井井的方法。 本发明方法的另一个实例是在地层中形成自降解滤饼的方法。 本发明方法的另一个实例是降解地层中滤饼的方法。 本发明的组合物的实例是包括增粘剂,流体损失控制添加剂和包含可降解材料的桥连剂的处理流体。 本发明组合物的另一个实例是包含可降解材料的桥连剂。