Defoaming methods and compositions
    13.
    发明授权
    Defoaming methods and compositions 有权
    消泡方法和组合物

    公开(公告)号:US06417142B1

    公开(公告)日:2002-07-09

    申请号:US09969279

    申请日:2001-10-02

    IPC分类号: B01D1904

    摘要: The present invention provides methods and defoaming compositions for preventing the formation of foam or the entrainment of gas in a liquid fluid or for breaking a previously formed liquid fluid foam. The defoaming compositions of the invention are basically comprised of a mixture of glycerol tristearate and one or more aliphatic hydrocarbons selected from the group of olefins having one or more internal double bonds and having 14 to 18 carbon atoms and a C10 dimer of the formula

    摘要翻译: 本发明提供了用于防止泡沫形成或气体夹带在液体流体中或用于破坏先前形成的液体流体泡沫的方法和消泡组合物。 本发明的消泡组合物基本上由甘油三硬脂酸酯和一种或多种选自具有一个或多个内部双键并且具有14-18个碳原子的烯烃的组的混合物和式

    Methods and compositions for forming permeable cement sand screens in well bores
    18.
    发明授权
    Methods and compositions for forming permeable cement sand screens in well bores 有权
    在井眼中形成渗透性水泥砂筛的方法和组合物

    公开(公告)号:US06364945B1

    公开(公告)日:2002-04-02

    申请号:US09736513

    申请日:2000-12-13

    IPC分类号: C04B2000

    CPC分类号: E21B43/08

    摘要: Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, an acid soluble particulate solid, a liquid hydrocarbon solvent soluble particulate solid, a particulate cross-linked gel containing an internal breaker which after time causes the gel to break into a liquid, water present in an amount sufficient to form a slurry, a gas present in an amount sufficient to form a foam and a mixture of foaming and foamed stabilizing surfactants.

    摘要翻译: 提供了在井眼中形成渗透性水泥砂筛的方法和组合物。 组合物基本上由水硬性水泥,酸溶性颗粒固体,液体烃溶剂可溶性颗粒固体,含有内部破碎剂的颗粒状交联凝胶组成,其在时间使凝胶破裂成液体后,存在于 足以形成浆料,以足以形成泡沫的量存在的气体和发泡和泡沫稳定表面活性剂的混合物。

    Subterranean zone sealing methods and compositions
    19.
    发明授权
    Subterranean zone sealing methods and compositions 失效
    地下区密封方法和组成

    公开(公告)号:US6059035A

    公开(公告)日:2000-05-09

    申请号:US119110

    申请日:1998-07-20

    IPC分类号: E21B33/138 E21B33/13

    CPC分类号: E21B33/138

    摘要: The present invention provides sealing methods and compositions for use in subterranean zones penetrated by well bores. The methods of the invention basically include the steps of preparing a sealing composition which includes an aqueous silicate solution, an epoxide containing liquid and a delayed epoxide hardening agent, placing the sealing composition into a subterranean zone and allowing the sealing composition to set into a rigid impermeable sealing mass in the zone.

    摘要翻译: 本发明提供了用于井眼穿透的地下区域的密封方法和组合物。 本发明的方法基本上包括制备密封组合物的步骤,该密封组合物包括硅酸盐水溶液,含环氧化物的液体和延迟的环氧化物硬化剂,将密封组合物放置在地下区域中并使密封组合物变成刚性 该区域内不可渗透的密封质量。

    Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated compositions
    20.
    发明授权
    Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated compositions 有权
    防止在地下地层和相关组合物中使用的盐水水泥组合物中的胶乳反转

    公开(公告)号:US07569108B2

    公开(公告)日:2009-08-04

    申请号:US11540230

    申请日:2006-09-28

    IPC分类号: C04B24/16

    摘要: The prevention of latex inversion in saltwater cement compositions for use in subterranean formations by inclusion of a combination of latex stabilizers and associated methods of cementing. Saltwater cement compositions comprising saltwater, a cement, a latex, a first latex stabilizer comprising a surfactant having the formula: R—O—(OCH2CH2)mXM wherein R is an alkyl group having in the range of from about 10 carbons to about 20 carbons, m is an integer in the range of from about 10 to about 40, X is OSO3 or SO3, and M is a compatible cation, and a second latex stabilizer comprising an alcohol ether sulfate having the formula: R1—O—(OCH2CH2)nOSO3M wherein R1 is an alkyl group having in the range of from about 4 carbons to about 12 carbons, n is an integer in the range of from about 1 to about 10, and M is a compatible cation.

    摘要翻译: 通过包括胶乳稳定剂和相关的固着方法的组合,防止用于地下地层的盐水水泥组合物中的胶乳反转。 包含盐水,水泥,胶乳,第一胶乳稳定剂的盐水水泥组合物,其包含具有下式的表面活性剂:<?in-line-formula description =“In-line formula”end =“lead”?> RO-(OCH2CH2) mXM <?in-line-formula description =“In-line Formulas”end =“tail”?>其中R是约10碳至约20个碳原子的烷基,m是范围内的整数 为约10至约40,X为OSO 3或SO 3,M为相容性阳离子,第二胶乳稳定剂包含具有下列通式的醇醚硫酸盐:<?in-line-formula description =“In-Line Formulas” end =“lead”→R1-O-(OCH2CH2)nOSO3M <?在线公式描述=“在线公式”end =“tail”?>其中R1是烷基,其范围为约 4个碳至约12个碳,n为约1至约10的整数,M为相容的阳离子。