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86 条记录 (耗时 0.016 秒)

    Fracturing method for stmulation of wells
    31.
    发明公开
    Fracturing method for stmulation of wells 失效
    裂纹的破裂方法

    公开(公告)号：EP0150112A3

    公开(公告)日：1986-02-12

    申请号：EP85300351

    申请日：1985-01-18

    申请人： HALLIBURTON COMPANY

    发明人： Holtmyer, Marlin Dean ,  Harris, Philip Carroll ,  Hunt, Charles Vernon

    IPC分类号： E21B43/26

    CPC分类号： E21B43/26 ,  C09K8/703

    摘要： A method of fracturing a subterranean formation with a stabilised foamed fracturing fluid comprising from about 30 percent to in excess of about 95 percent by volume of carbon dioxide, with the remainder comprising a substantially anhydrous liquid and a selected surfactant. The foam is formed in situ by injection of a stabilised liquid-liquid emulsion containing liquid carbon dioxide into a well bore penetrating the formation. The temperature and pressure of the emulsion is controlled to maintain the carbon dioxide in the liquid phase during injection into the well bore. Thereafter, the carbon dioxide is heated by the subterranean formation to a temperature above about 88°F (31°C) at which time the stabilised emulsion spontaneously forms a high quality stabilised foam.

    NON-HYDRAULIC FRACTURING AND COLD FOAM PROPPANT DELIVERY SYSTEMS, METHODS, AND PROCESSES
    32.
    发明公开
    NON-HYDRAULIC FRACTURING AND COLD FOAM PROPPANT DELIVERY SYSTEMS, METHODS, AND PROCESSES 审中-公开
    系统，方法和流程，非水力压裂和OUTPUT A海绵支撑装置

    公开(公告)号：EP2984285A2

    公开(公告)日：2016-02-17

    申请号：EP14782881.8

    申请日：2014-03-25

    申请人： Expansion Energy, LLC

    发明人： VANDOR, David

    IPC分类号： E21B43/267

    CPC分类号： E21B36/001 ,  C09K8/602 ,  C09K8/665 ,  C09K8/703 ,  E21B43/267

    摘要： Methods and systems of fracturing subterranean formations are provided comprising pumping metacritical phase natural gas into a subterranean formation to create or extend one or more fissures in the formation. Methods and systems may further comprise maintaining or increasing pressure of the metacritical phase natural gas in the formation by pumping more metacritical phase natural gas into the fissures to hold the fissures open. Methods and systems may further comprise delivering a proppant into the subterranean formation. Disclosed methods and systems may be used to extract hydrocarbons from subterranean formations without the use of liquids. Methods and systems of delivering proppant comprise providing a non-aqueous liquid, adding a surfactant to the non-aqueous liquid, adding a proppant to the non-aqueous liquid to form a non-aqueous liquid, surfactant and proppant stream, pumping to pressure the non-aqueous liquid, surfactant and proppant stream, using pressurized natural gas to energize the non-aqueous liquid, surfactant and proppant stream, and delivering the energized non-aqueous liquid, surfactant and proppant stream into a subterranean formation. Methods of recovering proppant delivery liquid are also provided.

    FOAM OR VISCOSIFIED COMPOSITION CONTAINING A CHELATING AGENT
    33.
    发明公开
    FOAM OR VISCOSIFIED COMPOSITION CONTAINING A CHELATING AGENT 审中-公开
    卫生洁面乳粘合剂ZUSAMMENSETZUNG MIT EINEM CHELATBILDNER

    公开(公告)号：EP2841525A1

    公开(公告)日：2015-03-04

    申请号：EP13723020.7

    申请日：2013-04-24

    申请人： Akzo Nobel Chemicals International B.V.

    发明人： DE WOLF, Cornelia Adriana ,  NASR-EL-DIN, Hisham ,  BANG, Edwin Rudolf Antony ,  WANG, Guanqun ,  BALTUSSEN, Jozef Johannes Maria ,  THEEUWEN, Conrardus Hubertus Joseph ,  O, Boen Ho ,  VAN EIJK, Marcel Cornelis Paulus

    IPC分类号： C09K8/035 ,  C09K8/54 ,  C09K8/60 ,  C09K8/70

    CPC分类号： C09K8/725 ,  C09K8/536 ,  C09K8/703 ,  C09K8/76 ,  C09K8/94

    摘要： The present invention relates to a foam containing water, between 5 and 30 wt % on total weight of the foam of a chelating agent selected from the group of glutamic aid N,N-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA), N-hydroxyethyl ethylenediamine-N,N′,N′-triacetic acid or a salt thereof (HEDTA), a foaming agent, and at least 25 vol % on total volume of the foam of a gas, and having a pH of between 2 and 5, to a viscosified composition containing water, between 5 and 30 wt % on total volume of the composition of a chelating agent selected from the group of glutamic aid N,N-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA), N-hydroxyethyl ethylenediamine-N,N′,N′-triacetic acid or a salt thereof (HEDTA), and at least 0.01 wt % on total weight of the composition of a viscosifying agent, and having a pH of between 2 and 5, and to a process for treating a subterranean formation comprising introducing the above foam or viscosified composition into the formation.

    摘要翻译： 本发明涉及含有水的泡沫的泡沫的总重量的5〜30重量％，该螯合剂选自谷氨酸助剂N，N-二乙酸或其盐（GLDA），天冬氨酸N ，N-二乙酸或其盐（ASDA），甲基甘氨酸N，N-二乙酸或其盐（MGDA），N-羟乙基乙二胺-N，N'，N'-三乙酸或其盐（HEDTA） ，发泡剂，并且气体泡沫的总体积为至少25体积％，并且对于含有水的增稠组合物，其pH为2至5，所述组合物的总体积为5至30重量％ 的选自谷氨酸助剂N，N-二乙酸或其盐（GLDA），天冬氨酸N，N-二乙酸或其盐（ASDA），甲基甘氨酸N，N-二乙酸或 其盐（MGDA），N-羟乙基乙二胺-N，N'，N'-三乙酸或其盐（HEDTA），并且组合物的总重量为至少0.01重量％ 粘合剂，pH为2〜5，以及包括将上述泡沫或增粘组合物引入地层中的处理地层的方法。