FOAMED GEL COMPLETION, WORKOVER, AND KILL FLUID
    41.
    发明申请
    FOAMED GEL COMPLETION, WORKOVER, AND KILL FLUID 审中-公开
    泡沫凝胶完成,工作和杀死流体

    公开(公告)号:WO1997021021A1

    公开(公告)日:1997-06-12

    申请号:PCT/US1996016454

    申请日:1996-10-15

    CPC classification number: C09K8/94 C09K8/518

    Abstract: A foamed gel is provided having utility for use as a completion, workover or kill fluid for well completions, workovers and other procedures where it is desirable to kill a well.

    Abstract translation: 提供泡沫凝胶,其可用于完成,修补或杀死流体以获得完井,工作和其它需要杀死井的程序。

    PROCESS FOR CATALYTICALLY DEHYDROGENATING ANTHRAHYDROQUINONE
    42.
    发明申请
    PROCESS FOR CATALYTICALLY DEHYDROGENATING ANTHRAHYDROQUINONE 审中-公开
    催化脱氢山梨醇的方法

    公开(公告)号:WO1996010005A1

    公开(公告)日:1996-04-04

    申请号:PCT/US1995007650

    申请日:1995-06-16

    CPC classification number: C07C46/00 C07C50/16

    Abstract: A process for catalytically dehydrogenating an anthrahydroquinone to form anthraquinone and a hydrogen product. A catalyst which is a metal, a metal compound, or a metal or metal compound dispersed on a support or is a liquid is selected to have an electronegativity greater than about 2.30 so as to result in the substantially complete conversion of anthrahydroquinone to anthraquinone and hydrogen and thereby essentially eliminate formation of unwanted hydrogenolysis by-products, such as anthrones and/or anthranols.

    Abstract translation: 一种用于催化脱氢蒽醌以形成蒽醌和氢产物的方法。 选择分散在载体或液体上的金属,金属化合物或金属或金属化合物的催化剂,其电负性大于约2.30,从而导致蒽醌与蒽醌和氢的基本完全转化 从而基本上消除了不想要的氢解副产物的形成,例如蒽和/或苯甲醇。

    APPARATUS AND METHOD FOR PERFORATING AND FRACTURING
    43.
    发明申请
    APPARATUS AND METHOD FOR PERFORATING AND FRACTURING 审中-公开
    用于执行和破碎的装置和方法

    公开(公告)号:WO1996004521A2

    公开(公告)日:1996-02-15

    申请号:PCT/US1995009602

    申请日:1995-07-28

    CPC classification number: E21B27/02 E21B43/117 E21B43/263 E21B43/267 F42B1/02

    Abstract: An apparatus and method for perforating and fracturing subterranean formations to enhance fluid production. At least one unlined punch charge is loaded into at least one punch charge carrier (26), and the void spaces in the punch charge carrier are filled with sand. The punch charge carrier is assembled with at least one perforating charge carrier (32), loaded with at least one perforating charge, and a means for detonation. The assembly is positioned in a well containing a pressurized fluid adjacent the interval to be perforated and/or fractured, and the charges are detonated. The one or more punch charges create one or more apertures in the punch charge carrier, allowing sand to enter the well and be carried by the fluid in the well into the perforations and/or fractures created by the perforating charges and the pressurized fluid. The sand scours and/or props the perforations and/or fractures.

    Abstract translation: 一种用于穿孔和压裂地下地层以增强流体产生的装置和方法。 至少一个无衬里的冲压装料被装载到至少一个冲头电荷载体(26)中,并且冲击电荷载体中的空隙空间被填充沙子。 冲击电荷载体与装有至少一个穿孔电荷的至少一个穿孔电荷载体(32)和用于爆炸的装置组装在一起。 组件定位在包含邻近要穿孔和/或断裂的间隔的加压流体的井中,并且引爆。 一个或多个冲头装料在冲头加料载体中产生一个或多个孔,允许砂进入井中,并由井中的流体承载到穿孔装置和加压流体产生的穿孔和/或裂缝中。 沙子冲刷和/或穿透穿孔和/或破裂。

    FOAMED GELS TO REDUCE GAS CONING IN MATRIX ENVIRONMENTS
    44.
    发明申请
    FOAMED GELS TO REDUCE GAS CONING IN MATRIX ENVIRONMENTS 审中-公开
    泡沫凝胶减少了在矩阵环境中的气体

    公开(公告)号:WO1994023178A1

    公开(公告)日:1994-10-13

    申请号:PCT/US1993010885

    申请日:1993-11-11

    CPC classification number: C09K8/887 C09K8/94 E21B43/32

    Abstract: A process is provided for reducing the inhibiting effect of gas coning on liquid hydrocarbon production at a production wellbore penetrating a subterranean reservoir having a gas cap overlying a liquid hydrocarbon producing zone in fluid communication with the gas cap across vertical flowpaths of gas-permeable matrix. A foamed gel containing a crosslinkable polymer, a crosslinking agent, an aqueous solvent, a surfactant, and a gas is injected through the production wellbore into gas-permeable matrix between the gas cap and wellbore, thereby effectively blocking or reducing the downward flow of gas from the gas cap to the production wellbore and enabling the more desirable liquid hydrocarbons to enter the wellbore for production to the surface.

    Abstract translation: 提供了一种方法,用于降低气体对液体烃产生的影响,该生产井穿透具有覆盖液体烃产生区的气帽的地下储层,该气层与气帽在气体可渗透性基质的垂直流路上流体连通。 将含有可交联聚合物,交联剂,水性溶剂,表面活性剂和气体的发泡凝胶通过生产井眼注入到气帽和井筒之间的气体可渗透基质中,从而有效地阻断或减少气体的向下流动 从气帽到生产井眼,并使更可取的液态烃进入井筒进行生产。

    POLYMER ENHANCED FOAMS FOR REDUCING GAS CONING
    45.
    发明申请
    POLYMER ENHANCED FOAMS FOR REDUCING GAS CONING 审中-公开
    聚合物增强气体减少气体

    公开(公告)号:WO1994016195A1

    公开(公告)日:1994-07-21

    申请号:PCT/US1993009964

    申请日:1993-10-15

    CPC classification number: C09K8/94 B09C1/00 C09K17/18 C09K17/40 E21B43/32

    Abstract: A process is provided for reducing the inhibiting effect of gas coning on liquid hydrocarbon production into a production wellbore penetrating a subterranean formation having a gas cap overlying a liquid hydrocarbon producing zone in fluid communication with the gas cap. A polymer enhanced foam containing a polymer, an aqueous solvent, a surfactant, and a gas is placed in gas-permeable anomalies or matrix between the production wellbore and gas cap, thereby effectively blocking the downward flow of gas from the gas cap to the production wellbore and enabling desirable liquid hydrocarbons to more readily enter the wellbore for production to the surface.

    Abstract translation: 提供了一种方法,用于减少气体对液体碳氢化合物产生的抑制作用,渗透到具有覆盖在与气帽流体连通的液态烃产生区的气帽的地下地层的生产井眼中。 将包含聚合物,水性溶剂,表面活性剂和气体的聚合物增强泡沫置于生产井筒和气帽之间的透气异常或基质中,从而有效地阻止气体从气帽向下流动到生产 井眼,并且使得所需的液体烃更容易进入井筒以用于生产到表面。

    PROCESS FOR RECOVERING SULFUR AND HYDROGEN FROM HYDROGEN SULFIDE
    46.
    发明申请
    PROCESS FOR RECOVERING SULFUR AND HYDROGEN FROM HYDROGEN SULFIDE 审中-公开
    从硫化氢中回收硫和氢的方法

    公开(公告)号:WO1994012431A1

    公开(公告)日:1994-06-09

    申请号:PCT/US1993008916

    申请日:1993-09-20

    Abstract: A process for converting hydrogen sulfide which is contained in a gaseous feed stream to elemental sulfur and hydrogen. The process comprises contacting said gaseous feed stream with a polar organic solvent having an anthraquinone, and optionally a complexing agent, dissolved therein, reacting the hydrogen sulfide gas and anthraquinone to produce sulfur and an anthrahydroquinone in the solvent, and catalytically dehydrogenating the anthrahydroquinone to anthraquinone and hydrogen. In accordance with the present invention, a relatively small quantity of water is added to a polar organic solvent thereby increasing the elemental sulfur which is precipitated and thus recovered. The addition of water prior to or during sulfur production also increases hydrogen product selectivity in the subsequent dehydrogenation of anthrahydroquinone.

    Abstract translation: 将气态进料流中包含的硫化氢转化为元素硫和氢的方法。 该方法包括使所述气态进料流与溶解有蒽醌和任选的络合剂的极性有机溶剂接触,使硫化氢气体和蒽醌反应,在溶剂中产生硫和蒽醌,并将蒽醌催化脱氢成蒽醌 和氢气。 根据本发明,将相对少量的水加入到极性有机溶剂中,从而增加沉淀并因此回收的元素硫。 在硫生产之前或期间加入水还可以在随后的蒽氢醌脱氢中提高氢产物的选择性。

    ENHANCED LIQUID HYDROCARBON RECOVERY PROCESS
    47.
    发明申请
    ENHANCED LIQUID HYDROCARBON RECOVERY PROCESS 审中-公开
    增强液体回收方法

    公开(公告)号:WO1992015769A1

    公开(公告)日:1992-09-17

    申请号:PCT/US1992000225

    申请日:1992-01-07

    CPC classification number: C09K8/94 E21B43/168

    Abstract: A polymer enhanced foam comprising a polymer selected from a synthetic polymer or a biopolymer, a surfactant, an aqueous solvent and a gas is injected into a fractured subterranean formation via a first well in fluid communication with the formation and preferentially enters fractures present in the formation. The injected polymer enhanced foam promotes the recovery of liquid hydrocarbons from said formation via the first well or a second well in fluid communication with the formation.

    PREVENTING PLUGGING BY INSOLUBLE SALTS IN A HYDROCARBON-BEARING FORMATION AND ASSOCIATED PRODUCTION WELLS
    50.
    发明申请
    PREVENTING PLUGGING BY INSOLUBLE SALTS IN A HYDROCARBON-BEARING FORMATION AND ASSOCIATED PRODUCTION WELLS 审中-公开
    预防在油气储层形成和相关生产井中的不溶性沉积物的堵塞

    公开(公告)号:WO1988005857A1

    公开(公告)日:1988-08-11

    申请号:PCT/US1987002384

    申请日:1987-09-22

    CPC classification number: C09K8/528

    Abstract: Plugging in fluid passageways of a subterranean hydrocarbon-bearing formation or associated production wells caused by the accumulation of insoluble salt precipitates therein which results from an in situ interaction between precipitate precursor ions in an injection water and resident ions already occurring in the formation is prevented by removing the precursor ions from the injection water by a reverse osmosis membrane before injecting the water into the formation.

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