Methods useful for controlling fluid loss in subterranean formations
    1.
    发明申请
    Methods useful for controlling fluid loss in subterranean formations 有权
    用于控制地下地层流体损失的方法

    公开(公告)号:US20060137875A1

    公开(公告)日:2006-06-29

    申请号:US11360215

    申请日:2006-02-22

    IPC分类号: E21B43/02

    摘要: Methods of controlling fluid loss in a subterranean formation comprising: providing a treatment fluid comprising an aqueous fluid and a fluid loss control additive comprising a water-soluble polymer having hydrophobic or hydrophilic modification; introducing the treatment fluid into an interval of a well bore, the well bore penetrating the subterranean formation; creating one or more perforations 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 through the one or more perforations. Methods of a reducing fluid loss from a perforated and/or gravel packed interval of a well bore using a fluid loss control additive comprising a water-soluble polymer having hydrophobic or hydrophilic modification.

    摘要翻译: 控制地下地层中的流体损失的方法,包括:提供包含水性流体的处理流体和包含具有疏水或亲水改性的水溶性聚合物的流体损失控制添加剂; 将处理流体引入井眼的间隔中,井眼穿透地层; 在所述井眼的间隔中产生一个或多个穿孔,其中所述穿孔从所述井眼延伸并进入所述地下地层; 并且允许处理流体通过一个或多个穿孔接触地下地层的一部分。 使用包含具有疏水性或亲水性改性的水溶性聚合物的流体损失控制添加剂从孔的穿孔和/或砾石填充间隔减少流体损失的方法。

    Expandable well screen having temporary sealing substance
    2.
    发明申请
    Expandable well screen having temporary sealing substance 失效
    具有临时密封物质的膨胀井筛

    公开(公告)号:US20050155772A1

    公开(公告)日:2005-07-21

    申请号:US10760649

    申请日:2004-01-20

    IPC分类号: E21B43/08 E21B43/10

    摘要: An expandable well screen having a temporary sealing substance. In a described embodiment, a method of installing a well screen in a subterranean well includes the steps of: providing the screen including a temporary sealing substance preventing fluid flow through a wall of the screen; positioning the screen in a wellbore of the well; expanding the screen in the wellbore; and degrading the sealing substance, thereby permitting fluid flow through the screen wall.

    摘要翻译: 一种具有临时密封物质的可扩张井筛。 在所描述的实施例中,将井筛安装在地下井中的方法包括以下步骤:提供屏幕,其包括临时密封物质,防止液体流过屏幕的壁; 将屏幕定位在井的井眼中; 在井筒中扩大屏幕; 并降解密封物质,从而允许流体流过筛壁。

    Methods of placing treatment chemicals
    4.
    发明申请
    Methods of placing treatment chemicals 有权
    处理化学品的处理方法

    公开(公告)号:US20060185847A1

    公开(公告)日:2006-08-24

    申请号:US11062943

    申请日:2005-02-22

    摘要: Methods of treating a subterranean formation comprising placing a solid treatment chemical and a tacky polymer onto a solid substrate to create a coated solid substrate; placing the coated solid substrate into a portion of a subterranean formation; and, allowing the tacky polymer to degrade and allowing the solid treatment chemical to be released into the portion of the subterranean formation. Methods of creating a particulate pack comprising a treatment chemical in a subterranean formation comprising placing a solid treatment chemical and a tacky polymer onto a particulate to create a coated particulate; creating a slurry comprises the coated particulates slurried into a treatment fluid; placing the slurry into a portion of a subterranean formation so a to create a particulate pack; and, allowing the tacky polymer to degrade and allowing the solid treatment chemical to be released into the portion of the subterranean formation.

    摘要翻译: 处理地下地层的方法,包括将固体处理化学品和粘性聚合物置于固体基质上以产生涂覆的固体基质; 将涂覆的固体基质置于地层的一部分中; 并且允许粘性聚合物降解并使得固体处理化学品被释放到地层的部分中。 在地层中产生包含处理化学物质的颗粒物料的方法,包括将固体处理化学品和粘性聚合物置于颗粒上以产生涂覆的颗粒; 产生浆料包括浆化成处理流体的被覆微粒; 将浆料放置在地层的一部分中以便产生颗粒状包装; 并且允许粘性聚合物降解并使得固体处理化学品被释放到地层的部分中。

    Methods and compositions relating to the hydrolysis of water-hydrolysable materials
    5.
    发明申请
    Methods and compositions relating to the hydrolysis of water-hydrolysable materials 有权
    与水解可水解材料的水解相关的方法和组合物

    公开(公告)号:US20060172893A1

    公开(公告)日:2006-08-03

    申请号:US11046043

    申请日:2005-01-28

    IPC分类号: C09K8/00 E21B43/00

    CPC分类号: C09K8/10 C09K8/52 C09K2208/18

    摘要: Methods relating to the hydrolysis of water-hydrolysable materials are provided. In one embodiment, a method of treating at least a portion of a subterranean formation is provided, the method comprising: providing a water-hydrolysable material; introducing the water-hydrolysable material into a well bore penetrating the subterranean formation; providing a treatment fluid comprising an aqueous liquid and a water-miscible solvent; introducing the treatment fluid into the well bore so as to contact the water-hydrolysable material; and allowing the water-hydrolysable material to hydrolyze. Methods of completing a well also are provided.

    摘要翻译: 提供了水解可水解材料的水解方法。 在一个实施方案中,提供了处理地下地层的至少一部分的方法,所述方法包括:提供水可水解材料; 将水可水解材料引入穿透地层的井眼中; 提供包含水性液体和水混溶性溶剂的处理流体; 将处理流体引入井眼中以与水可水解材料接触; 并使水解性物质水解。 也提供了完井的方法。

    Methods and compositions for delinking crosslinked fluids
    8.
    发明申请
    Methods and compositions for delinking crosslinked fluids 审中-公开
    脱水交联流体的方法和组合物

    公开(公告)号:US20060046938A1

    公开(公告)日:2006-03-02

    申请号:US10932749

    申请日:2004-09-02

    IPC分类号: C09K8/60 E21B43/00

    CPC分类号: C09K8/685 C09K8/706

    摘要: One embodiment of the present invention provides a method of treating a subterranean formation comprising introducing to a portion of a subterranean formation a slurry comprising a solid, particulate chelating agent substantially coated with a degradable material and a viscosified treatment fluid comprising a crosslinked gelling agent, allowing the degradable material to degrade and release the chelating agent into the viscosified treatment fluid; and, allowing the released chelating agent to delink at least a portion of the crosslinked gelling agent. Another embodiment provides a delinker for use in a viscosified treatment fluid comprising a crosslinked gelling agent, comprising a particulate chelating agent substantially coated with a degradable material wherein the degradable material is capable of degrading to release the chelating agent and wherein the released chelating agent is then capable of delinking at least a portion of the crosslinked gelling agent.

    摘要翻译: 本发明的一个实施方案提供了一种处理地下地层的方法,包括向地下地层的一部分引入包含基本上涂覆有可降解材料的固体颗粒螯合剂和包含交联胶凝剂的稠化处理流体的浆料,允许 所述可降解材料将所述螯合剂降解并释放到所述粘稠处理液中; 并且释放的螯合剂使交联的胶凝剂的至少一部分脱水。 另一个实施方案提供了用于包含交联胶凝剂的增粘处理流体的脱水器,其包含基本上涂覆有可降解材料的颗粒螯合剂,其中可降解材料能够降解以释放螯合剂,并且其中释放的螯合剂 能够使至少一部分交联的胶凝剂脱胶。

    Compositions and methods for the delivery of chemical components in subterranean well bores
    10.
    发明申请
    Compositions and methods for the delivery of chemical components in subterranean well bores 有权
    用于在地下井孔中输送化学成分的组合物和方法

    公开(公告)号:US20050167104A1

    公开(公告)日:2005-08-04

    申请号:US10768323

    申请日:2004-01-30

    摘要: The present invention relates to the delivery of a plurality of chemical components in well bore applications. More particularly, this invention relates to delivery capsules and methods of using such delivery capsules for facilitating the delivery of at least a plurality of chemical components to subterranean well bores. In one embodiment, a method of supplying chemical components to a subterranean formation comprises placing a delivery capsule having at least a first chamber comprising a first chemical component and at least a second chamber comprising a second chemical component into the subterranean formation, and allowing the first and second components to be released from the delivery capsule. In other embodiments, the present invention provides a delivery capsule for facilitating the delivery of a plurality of chemical components to a well bore penetrating a subterranean formation comprising a first chamber containing a first chemical component and at least a second chamber containing a second chemical component.

    摘要翻译: 本发明涉及在井筒应用中输送多种化学成分。 更具体地,本发明涉及递送胶囊和使用这种递送胶囊促进至少多种化学成分递送到地下井孔的方法。 在一个实施方案中,向地下地层提供化学组分的方法包括将具有至少第一室的输送胶囊放置在第一化学组分中,并且至少包括第二化学组分的第二室包括第一化学组分,并且允许第一 以及要从输送胶囊释放的第二组分。 在其它实施方案中,本发明提供了一种用于促进将多个化学组分输送到渗透包括含有第一化学组分的第一室的第一室的地下地层中的多个化学组分和至少包含第二化学组分的第二室的输送胶囊。