Methods of cleaning wellbores and analyzing wellbore fluids
    1.
    发明授权
    Methods of cleaning wellbores and analyzing wellbore fluids 有权
    清洗井筒和分析井筒流体的方法

    公开(公告)号:US08950481B2

    公开(公告)日:2015-02-10

    申请号:US12745149

    申请日:2008-11-21

    IPC分类号: E21B43/22 C09K8/524

    CPC分类号: C09K8/524

    摘要: A method of analyzing a wellbore fluid that includes treating a wellbore fluid with an emulsifying fluid, the emulsifying fluid comprising: a hydroxylated ether; an amphoteric chemotrope; and testing the treated wellbore fluid for at least one of turbidity and total suspended solids is disclosed. Methods of cleaning wellbores are also disclosed.

    摘要翻译: 一种分析井眼流体的方法,包括用乳化液处理井筒流体,所述乳化流体包含:羟基化醚; 两性化合物; 并且公开了用于浊度和总悬浮固体中的至少一种的经处理的井眼流体​​的测试。 还公开了清洗井筒的方法。

    METHOD OF DETECTING AN EMULSION IN BRINE
    3.
    发明申请
    METHOD OF DETECTING AN EMULSION IN BRINE 有权
    检测猪肉乳液的方法

    公开(公告)号:US20110235021A1

    公开(公告)日:2011-09-29

    申请号:US13131979

    申请日:2010-01-25

    IPC分类号: G01N33/28

    CPC分类号: G01N33/2823 G01N31/22

    摘要: The instant disclosure is directed to a method of detecting an emulsion in a turbid brine, the method comprising the steps of disposing an aliquot of the turbid brine into a sample container to produce a test sample; adding one or more drops of a dye solution comprising an oil-soluble dye dissolved in a nonaqueous base fluid to said test sample; and determining the configuration of the dye solution after a period of time on a surface of the test sample, wherein a configuration of the dye solution forming a ring around the perimeter of the sample container at the interface of a wall of the sample container and the turbid brine indicates an emulsion is present in the turbid brine, and wherein a configuration of the dye solution forming a single dot or a plurality of dots on the surface of the turbid brine indicates an emulsion is not present in the turbid brine.

    摘要翻译: 本公开涉及一种在浑浊盐水中检测乳液的方法,该方法包括以下步骤:将浑浊盐水的等分试样置于样品容器中以产生测试样品; 将一滴或多滴包含溶解在非水基础流体中的油溶性染料的染料溶液加入到所述测试样品中; 并且在试样表面上测定一段时间后的染料溶液的构型,其中,在样品容器的壁的界面处的样品容器周围形成环状的染料溶液的构造和 浑浊的盐水表示在浑浊盐水中存在乳液,并且其中在浑浊盐水表面上形成单点或多个点的染料溶液的构型表示在浑浊盐水中不存在乳液。

    PARTICULATE BRIDGING AGENTS USED FOR FORMING AND BREAKING FILTERCAKES ON WELLBORES
    4.
    发明申请
    PARTICULATE BRIDGING AGENTS USED FOR FORMING AND BREAKING FILTERCAKES ON WELLBORES 审中-公开
    用于在井上形成和破碎过滤器的颗粒桥联剂

    公开(公告)号:US20110214862A1

    公开(公告)日:2011-09-08

    申请号:US13128117

    申请日:2009-11-12

    IPC分类号: E21B43/26 C09K8/76

    摘要: A method of preventing fluid loss to a wellbore that includes pumping a wellbore fluid into the wellbore through a subterranean formation, the wellbore fluid comprising: a base fluid; and a plurality of particulate bridging agents comprising a solid breaking agent encapsulated by one of an inorganic solid material and an oil-soluble resin; and allowing some filtration of the wellbore fluid into the subterranean formation to produce a filter cake comprising the particulate bridging agents is disclosed.

    摘要翻译: 一种防止流体损失到井眼的方法,包括通过地层将井眼流体泵送到井眼中,井筒流体包括:基础流体; 以及包含由无机固体材料和油溶性树脂之一包封的固体破碎剂的多个颗粒状桥接剂; 并且允许将井眼流体一些过滤到地层中以产生包含颗粒桥联剂的滤饼。

    ANNULAR FLUIDS AND METHOD OF EMPLACING THE SAME
    5.
    发明申请
    ANNULAR FLUIDS AND METHOD OF EMPLACING THE SAME 有权
    球形流体及其相应的方法

    公开(公告)号:US20110028356A1

    公开(公告)日:2011-02-03

    申请号:US12902556

    申请日:2010-10-12

    IPC分类号: C09K8/00

    CPC分类号: C09K8/512 C09K8/12

    摘要: An annular fluid or packer fluid, and methods of making the same, that includes a water-miscible solvent, a viscosifying additive, a crosslinking agent, a crosslinking inhibitor having the facility to inhibit crosslinking between the viscosifying additive and the crosslinking agent, and an initiating agent having the facility to overcome an action of the crosslinking inhibitor and to initiate crosslinking between the viscosifying additive and the crosslinking agent, is shown and described. The fluid has a thermal conductivity of no more than about 0.25 btu/(hr·ft·° F.) and a potential to substantially increase its viscosity upon sitting for a selected period of time.

    摘要翻译: 环状流体或封隔器流体及其制造方法,其包括水混溶性溶剂,增粘添加剂,交联剂,具有抑制粘性添加剂与交联剂之间的交联设计的交联抑制剂,以及 示出并描述了具有克服交联抑制剂的作用并引发增粘剂和交联剂之间的交联的设备的引发剂。 该流体的热导率不超过约0.25btu /(hr·ft·°F)),并且在静置一段时间后可显着增加其粘度。

    Fluid loss pills
    6.
    发明授权
    Fluid loss pills 有权
    流失药丸

    公开(公告)号:US08664165B2

    公开(公告)日:2014-03-04

    申请号:US11993683

    申请日:2006-06-29

    摘要: A fluid loss pill that includes a crosslinked polymer gel, a brine, and solid salt particles disposed in said gel is described. Further, a method for reducing fluid loss that includes pumping a selected amount of a fluid loss pill into a wellbore leading to an oil-, condensate-, or gas-producing formation, the fluid loss pill including a crosslinked polymer gel, a brine, and solid salt particles disposed in said gel is described.

    摘要翻译: 描述了包含交联聚合物凝胶,盐水和置于所述凝胶中的固体盐颗粒的流体损失药片。 此外,一种减少流体损失的方法包括将选定数量的流体损失药剂泵入导致产生油,冷凝物或产气的地层的井眼中,所述流体损失药丸包括交联的聚合物凝胶,盐水, 并描述了设置在所述凝胶中的固体盐颗粒。

    DELAYED BREAKER
    7.
    发明申请
    DELAYED BREAKER 有权
    延迟断路器

    公开(公告)号:US20100270017A1

    公开(公告)日:2010-10-28

    申请号:US12670784

    申请日:2008-07-31

    IPC分类号: E21B43/27 C09K8/588

    CPC分类号: C09K8/74 C09K2208/26

    摘要: A process that includes pumping a first wellbore fluid comprising an oxidative degradable polymer into a wellbore through a subterranean formation; pumping a second wellbore fluid comprising a pH-activated oxidative breaker into the wellbore; pumping a third wellbore fluid comprising a delayed acid source into the wellbore; and allowing the delayed acid source to acidify at least a portion of the wellbore to a pH of less than 7 so as to activate the pH-activated oxidative breaker at the lower pH and degrade the oxidative degradable polymers is disclosed.

    摘要翻译: 一种方法,其包括将包含氧化性可降解聚合物的第一井筒流体通过地下地层泵入井眼; 将包含pH激活的氧化断裂器的第二井筒流体泵入井眼; 将包含延迟酸源的第三井筒流体泵送到井筒中; 并且允许延迟的酸源将至少一部分井眼酸化至小于7的pH,以便在较低pH下活化pH活化的氧化性破乳剂并降解氧化降解聚合物。

    METHODS AND COMPOSITIONS FOR PREVENTING HIGH DENSITY WELL COMPLETION FLUID LOSS
    8.
    发明申请
    METHODS AND COMPOSITIONS FOR PREVENTING HIGH DENSITY WELL COMPLETION FLUID LOSS 失效
    用于防止高密度井完井液损失的方法和组合物

    公开(公告)号:US20100210486A1

    公开(公告)日:2010-08-19

    申请号:US12667881

    申请日:2008-07-01

    IPC分类号: C09K8/512

    CPC分类号: C09K8/512

    摘要: A method of reducing fluid loss from a wellbore that includes emplacing a fluid loss pill in the wellbore, the fluid loss pill comprising: a base fluid; a hydratable or solvatable synthetic copolymer having at least one crosslinkable comonomer; and a crosslinking agent is disclosed.

    摘要翻译: 一种减少井眼的流体损失的方法,包括在井眼中放置流体损失药丸,所述流体损失丸包括:基础液体; 具有至少一种交联性共聚单体的可水合或可溶性合成共聚物; 并且公开了交联剂。

    Emulsifier blend
    10.
    发明授权
    Emulsifier blend 有权
    乳化剂混合

    公开(公告)号:US08163676B2

    公开(公告)日:2012-04-24

    申请号:US12745134

    申请日:2008-11-21

    IPC分类号: C09K8/68 E21B43/16 B01F3/08

    摘要: An oil-in-water emulsion that includes a brine continuous phase; and an oleaginous discontinuous phase stabilized by an emulsifier blend, the emulsifier blend comprising: an emulsifier having an HLB greater than 11; and an amphoteric chemotrope is disclosed. Emulsifier blends comprising an emulsifier having an HLB greater than 11 and an amphoteric chemotrope and methods of using emulsifier blends are also disclosed.

    摘要翻译: 包含盐水连续相的水包油乳液; 和由乳化剂共混物稳定的油性不连续相,所述乳化剂共混物包含:HLB大于11的乳化剂; 并且公开了两性化合物。 还公开了包含HLB大于11的乳化剂和两性趋化剂的乳化剂共混物和使用乳化剂共混物的方法。