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    • 1. 发明申请
    • IMPROVED METHOD OF DEVELOPING SUBSURFACE FREEZE ZONE
    • 改进地下冻结区的方法
    • WO2008048451A3
    • 2008-07-03
    • PCT/US2007021660
    • 2007-10-10
    • EXXONMOBIL UPSTREAM RES COKAMINSKY ROBERT D
    • KAMINSKY ROBERT D
    • E02D3/00
    • E21B36/001E21B41/0064Y02C10/14
    • A method for lowering the temperature of a portion of a subsurface formation is provided. Preferably, the formation is an oil shale formation. The method includes the step of injecting a cooling fluid under pressure into a wellbore, with the well bore having been completed at or below a depth of the subsurface formation. In one embodiment the wellbore has an elongated tubular member for receiving the cooling fluid and for conveying it downhole to the subsurface formation. The wellbore also has an expansion valve in fluid communication with the tubular member through which the cooling fluid flows. The method then includes the steps of injecting a cooling fluid under pressure into the wellbore, and expanding the cooling fluid across the first expansion valve. In this way, the temperature of the cooling fluid is reduced. The temperature of the surrounding formation is likewise reduced through thermal conduction and convection.
    • 提供了降低地下地层部分温度的方法。 优选地,地层是油页岩层。 该方法包括将压力下的冷却流体注入井眼的步骤,其中井眼已经在地下地层的深度处或下方完成。 在一个实施例中,井筒具有用于接收冷却流体并用于将其输送到地下地层的细长管状构件。 井筒还具有与管状构件流体连通的膨胀阀,通过冷却流体流过该膨胀阀。 该方法包括以下步骤:将压力下的冷却流体注入到井眼中,并使冷却流体膨胀穿过第一膨胀阀。 以这种方式,冷却液的温度降低。 周围地层的温度同样通过热传导和对流降低。
    • 4. 发明申请
    • FIELD MANAGEMENT FOR SUBSTANTIALLY CONSTANT COMPOSITION GAS GENERATION
    • 用于大量恒定组分气体生成的现场管理
    • WO2009142803A8
    • 2010-02-25
    • PCT/US2009037419
    • 2009-03-17
    • EXXONMOBIL UPSTREAM RES COKAMINSKY ROBERT DSYMINGTON WILLIAM A
    • KAMINSKY ROBERT DSYMINGTON WILLIAM A
    • E21B43/00E21B43/17
    • E21B43/24E21B43/017E21B43/12
    • A method for producing hydrocarbon fluids from an organic-rich rock formation to a surface facility is provided. The method may include heating the organic-rich rock formation in situ in order to cause pyrolysis of formation hydrocarbons, and producing production fluids from the organic-rich rock formation via two or more wells. The produced fluids have been at least partially generated as a result of pyrolysis of the formation hydrocarbons located in the organic-rich rock formation. In addition, the produced fluids comprise non-condensable fluids, or gases, which taken together have an averaged Wobbe Index which varies at a rate of more than 5% over a period of time. The method also includes controlling production from one or more of the two or more wells such that a combination of the production fluids from the two or more wells results in a combined gas stream whose averaged Wobbe Index varies at a rate of less than 5% over the period of time. The combined stream comprises combustible hydrocarbon fluids.
    • 提供了一种从含有机物的岩层生产烃流体到地面设施的方法。 该方法可以包括在原位加热富含有机物的岩层,以便引起地层碳氢化合物的热解,并通过两个或多个井从富含有机物岩层生产生产流体。 所产生的流体由于位于富含有机物岩层中的地层烃的热解而至少部分地产生。 此外,所生产的流体包括不可冷凝的流体或气体,其一起具有在一段时间内以大于5%的速率变化的平均沃泊指数。 该方法还包括控制来自两个或更多个井中的一个或多个井的生产,使得来自两个或更多个井的生产流体的组合导致组合的气流,其平均的沃贝指数以小于5%的速率变化 这段时间。 组合的流包括可燃烃流体。
    • 6. 发明申请
    • IMPROVED METHOD OF DEVELOPING A SUBSURFACE FREEZE ZONE USING FORMATION FRACTURES
    • 使用形成裂缝开发地表冻结区的改进方法
    • WO2008048453A3
    • 2008-07-24
    • PCT/US2007021666
    • 2007-10-10
    • EXXONMOBIL UPSTREAM RES COKAMINSKY ROBERT D
    • KAMINSKY ROBERT D
    • E21B36/00
    • E21B36/001E21B41/0064Y02C10/14
    • A method for lowering the temperature of a portion of a subsurface formation is provided. Preferably, the formation is an oil shale formation. The method includes the step of injecting a cooling fluid under pressure into a wellbore, with the wellbore having been completed at or below a depth of the subsurface formation. The wellbore has an elongated tubular member for receiving the cooling fluid and for conveying it downhole to the subsurface formation. The wellbore also has an expansion valve in fluid communication with the tubular member through which the cooling fluid flows. The method then includes the steps of injecting a cooling fluid under pressure into the wellbore, and expanding the cooling fluid across the first expansion valve. In this way, the temperature of the cooling fluid is reduced. The temperature of the surrounding formation is likewise reduced through thermal conduction and convection.
    • 提供了降低地下地层部分温度的方法。 优选地,地层是油页岩层。 该方法包括将压力下的冷却流体注入井眼的步骤,其中井筒已经在地下地层的深度处或其下方完成。 井眼具有用于接收冷却流体并将其输送到地下地层的细长管状构件。 井眼还具有与管状构件流体连通的膨胀阀,通过冷却流体流过该膨胀阀。 该方法包括以下步骤:将压力下的冷却流体注入到井眼中,并使冷却流体膨胀穿过第一膨胀阀。 以这种方式,冷却液的温度降低。 周围地层的温度同样通过热传导和对流降低。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR PRODUCING GEOTHERMAL ENERGY
    • 用于生产地热能的系统和方法
    • WO2011049673A3
    • 2016-04-07
    • PCT/US2010046992
    • 2010-08-27
    • EXXONMOBIL UPSTREAM RES COKAMINSKY ROBERT D
    • KAMINSKY ROBERT D
    • F03G7/00
    • F03G7/04F24J3/085Y02E10/10Y02E10/14
    • Methods and systems arc provided for extracting geαthermal heat from neighboring or proximate /ones in a fractured rock formation. The extraction of lieat may be performed by cycling between injection and production using separate wells for each zone and offsetting the injection-production cycles between neighboring zones, for example, by keeping the injection-production cycle;* for neighboring zones out of phase with each other. The techniques provide for improved heal recover}' from rock volumes while decreasing the size of buffer /ones between neighboring /ones, her example, in exemplary embodiments of the present techniques, proximate zones may be within 1000 meters, or even less, of each other. Accordingly, the zones do not have to be totally isolated from each other. The methods and systems described herein may help to impede cross-flow between the zones while minimizing waste heat (and well separation) from unutilized rock layers left between wells.
    • 提供了一种方法和系统,用于从断裂岩层中的相邻或邻近岩体中提取热力。 可以通过在注射和生产之间循环来进行提取,例如通过保持注射生产循环,使每个区域使用单独的孔并抵消相邻区域之间的注射生产循环; *对于与每个区域相位相邻的相邻区域 其他。 这些技术提供了从岩石体积改进的愈合恢复,同时减小相邻/相邻之间的缓冲器/尺寸的尺寸,她的示例在本技术的示例性实施例中,邻近区域可以在每个区域的1000米或甚至更小的范围内 其他。 因此,这些区域不必彼此完全隔离。 本文描述的方法和系统可以有助于阻止区域之间的交叉流动,同时使排出的井之间未使用的岩层的废热(和井分离)最小化。
    • 10. 发明申请
    • ENHANCED SHALE OIL PRODUCTION BY IN SITU HEATING USING HYDRAULICALLY FRACTURED PRODUCING WELLS
    • 使用液压破碎生产井的加热炉中的增强油脂生产
    • WO2008048455A3
    • 2008-07-03
    • PCT/US2007021669
    • 2007-10-10
    • EXXONMOBIL UPSTREAM RES COSYMINGTON WILLIAM AKAMINSKY ROBERT DHUTFILZ JAMES M
    • SYMINGTON WILLIAM AKAMINSKY ROBERT DHUTFILZ JAMES M
    • E21B43/17E21B43/26
    • E21B43/247E21B41/0064Y02C10/14
    • A method for enhanced production of hydrocarbon fluids from an organic-rich rock formation such as an oil shale formation is provided. The method generally includes completing at least one heater well in the organic-rich rock formation, and also completing a production well in the organic-rich rock formation. The method also includes the steps of hydraulically fracturing the organic-rich rock formation from the production well such that one or more artificial fractures are formed, and heating the organic-rich rock formation from the at least one heater well, thereby pyrolyzing at least a portion of the organic-rich rock into hydrocarbon fluids. Pyrolyzing the organic-rich rock formation creates thermal fractures in the formation due to thermal stresses created by heating. The thermal fractures intersect the artificial fractures. As an additional step, hydrocarbon fluids may be produced from the production well. Preferably, the organic-rich rock formation is an oil shale formation.
    • 提供了一种从富含有机物的岩层如油页岩层中增加碳氢化合物流体生产的方法。 该方法通常包括在富含有机物岩层中完成至少一个加热井,并且在富含有机物岩层中完成生产井。 该方法还包括以下步骤:从生产井水力压裂富含有机物的岩层,从而形成一个或多个人造裂缝,以及从至少一个加热井加热富含有机物的岩层,从而将至少一 将部分富含有机物的岩石转化为烃流体。 热解富含有机物的岩层由于通过加热产生的热应力而在地层中产生热裂缝。 热裂缝与人造裂缝相交。 作为附加步骤,可以从生产井中生产碳氢化合物流体。 优选地,富含有机物的岩层是油页岩层。