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    Use of Carbon-Dioxide-Based Fracturing Fluids
    1.
    发明申请
    Use of Carbon-Dioxide-Based Fracturing Fluids 有权
    使用基于二氧化碳的压裂液

    公开(公告)号：US20090260828A1

    公开(公告)日：2009-10-22

    申请号：US12104187

    申请日：2008-04-16

    申请人： Gregory Kubala ,  Bruce A. MacKay

    发明人： Gregory Kubala ,  Bruce A. MacKay

    IPC分类号： E21B43/267

    CPC分类号： E21B43/267

    摘要： A method of treating a shale-containing subterranean formation penetrated by a wellbore is accomplished by forming a carbon dioxide treatment fluid having a viscosity of less than about 10 mPa-s at a shear rate of about 100 s−1. The carbon dioxide treatment fluid is introduced into the formation through the wellbore at a pressure above the fracture pressure of the formation. In certain embodiments, the treatment fluid may be comprised of from about 90% to 100% by weight carbon dioxide and may contain a proppant. A method of treating hydrocarbon-bearing, shale-containing subterranean formation penetrated by a wellbore may also be carried out by forming a carbon dioxide treatment fluid and introducing the carbon dioxide treatment fluid into the formation through the wellbore at a pressure above the fracture pressure of the formation. The formation being treated may have a permeability of less than 1 mD.

    摘要翻译： 通过在约100s -1的剪切速率下形成具有小于约10mPa·s的粘度的二氧化碳处理流体来实现处理由井筒穿透的含页岩的地层的方法。 二氧化碳处理流体在高于地层断裂压力的压力下通过井眼被引入地层。 在某些实施方案中，处理流体可以由约90重量％至100重量％的二氧化碳组成，并且可以含有支撑剂。 通过形成二氧化碳处理流体并且在二氧化碳处理流体的压力高于压力的压力下通过井眼将二氧化碳处理流体引入地层中，也可以进行处理由井筒渗透的含烃页岩的地下地层的方法 形成。 所处理的地层可具有小于1mD的渗透性。

    Use of carbon-dioxide-based fracturing fluids
    3.
    发明授权
    Use of carbon-dioxide-based fracturing fluids 有权
    使用二氧化碳基压裂液

    公开(公告)号：US07726404B2

    公开(公告)日：2010-06-01

    申请号：US12104187

    申请日：2008-04-16

    申请人： Gregory Kubala ,  Bruce A. MacKay

    发明人： Gregory Kubala ,  Bruce A. MacKay

    IPC分类号： E21B43/267 ,  E21B43/27

    CPC分类号： E21B43/267

    摘要： A method of treating a shale-containing subterranean formation penetrated by a wellbore is accomplished by forming a carbon dioxide treatment fluid having a viscosity of less than about 10 mPa-s at a shear rate of about 100 s−1. The carbon dioxide treatment fluid is introduced into the formation through the wellbore at a pressure above the fracture pressure of the formation. In certain embodiments, the treatment fluid may be comprised of from about 90% to 100% by weight carbon dioxide and may contain a proppant. A method of treating hydrocarbon-bearing, shale-containing subterranean formation penetrated by a wellbore may also be carried out by forming a carbon dioxide treatment fluid and introducing the carbon dioxide treatment fluid into the formation through the wellbore at a pressure above the fracture pressure of the formation. The formation being treated may have a permeability of less than 1 mD.

    摘要翻译： 通过在约100s -1的剪切速率下形成具有小于约10mPa·s的粘度的二氧化碳处理流体来实现处理由井筒穿透的含页岩的地层的方法。 二氧化碳处理流体在高于地层断裂压力的压力下通过井眼被引入地层。 在某些实施方案中，处理流体可以由约90重量％至100重量％的二氧化碳组成，并且可以含有支撑剂。 通过形成二氧化碳处理流体并且在二氧化碳处理流体的压力高于压力的压力下通过井眼将二氧化碳处理流体引入地层中，也可以进行处理由井筒渗透的含烃页岩的地下地层的方法 形成。 所处理的地层可具有小于1mD的渗透性。

    Microhydraulic fracturing with downhole acoustic measurement
    4.
    发明授权
    Microhydraulic fracturing with downhole acoustic measurement 有权
    具有井下声学测量的微型液压破碎

    公开(公告)号：US09477002B2

    公开(公告)日：2016-10-25

    申请号：US12430914

    申请日：2009-04-28

    申请人： Douglas E. Miller ,  Ahmad Latifzai ,  Romain Charles Andre Prioul ,  Bruce A. MacKay ,  Oliver C. Mullins ,  Andreas Hausot ,  Canyun Wang ,  Alireza Farahani

    发明人： Douglas E. Miller ,  Ahmad Latifzai ,  Romain Charles Andre Prioul ,  Bruce A. MacKay ,  Oliver C. Mullins ,  Andreas Hausot ,  Canyun Wang ,  Alireza Farahani

    IPC分类号： G01V1/46 ,  E21B33/124 ,  E21B43/26 ,  E21B47/10

    CPC分类号： G01V1/46 ,  E21B33/124 ,  E21B43/26 ,  E21B47/101

    摘要： Methods and related systems are described for measuring acoustic signals in a borehole during a fracturing operation. The system includes a downhole toolstring designed and adapted for deployment in a borehole formed within a subterranean rock formation. A downhole rock fracturing tool opens and propagates a fracture in the subterranean rock formation. Dipole and/or quadrupole acoustic sources transmit acoustic energy into the subterranean rock formation. A receiver array measures acoustic energy traveling through the subterranean rock formation before, during and after the fracture induction. Geophones mounted on extendable arms can be used to measure shear wave acoustic energy travelling in the rock formation. The toolstring can be constructed such that the sources and receivers straddle the fracture zone during the fracturing. Alternatively, the sources or the receivers can co-located axially with the fracture zone, or the toolstring can be repositioned following fracturing such that the fracture zone is between the acoustic sources and receivers.

    摘要翻译： 描述了用于在压裂操作期间测量井眼中的声信号的方法和相关系统。 该系统包括设计并适于部署在形成于地下岩层内的钻孔中的井下工具串。 井下岩石压裂工具打开并传播地下岩层中的裂缝。 偶极和/或四极声源将声能传递到地下岩层中。 接收器阵列测量在断裂诱导之前，之中和之后穿过地下岩层的声能。 安装在可伸缩臂上的地震检波器可用于测量在岩层中行进的剪切波声能。 可以构造工具串，使得源和接收器在压裂期间跨越断裂带。 或者，源或接收器可以与断裂区域轴向共定位，或者在压裂之后可以重新定位工具串，使得断裂区域在声源和接收器之间。

    Method for treating well bore with polyurethane composition
    6.
    发明授权
    Method for treating well bore with polyurethane composition 有权
    用聚氨酯组合物处理井筒的方法

    公开(公告)号：US08240386B2

    公开(公告)日：2012-08-14

    申请号：US12650050

    申请日：2009-12-30

    申请人： Bruce A. MacKay

    发明人： Bruce A. MacKay

    IPC分类号： E21B43/16

    CPC分类号： E21B21/003 ,  C08G18/4829 ,  C08G18/80 ,  C09K8/12 ,  C09K8/5086 ,  C09K8/68

    摘要： A method comprising providing a composition with at least one isocyanate including a blocking group able to be unblocked at or above a deblocking temperature, contacting the composition with an inactivated catalyst and at least one active hydrogen compound, exposing the composition to a trigger to activate the catalyst, creating an elastomeric gel composition, and exposing the composition to a temperature above the deblocking temperature with a second downhole tool, wherein the second downhole tool is able to generate microwaves is provided.

    摘要翻译： 一种方法，包括向组合物提供至少一种异氰酸酯，所述异氰酸酯包括能够在解封闭温度以上或更高温度下解封的封闭基团，使组合物与灭活的催化剂和至少一种活性氢化合物接触，将组合物暴露于触发剂中， 催化剂，产生弹性体凝胶组合物，并用第二井下工具将组合物暴露于高于去块温度的温度，其中提供第二井下工具能产生微波。

    AQUEOUS SOLUTION FOR CONTROLLING BACTERIA IN THE WATER USED FOR FRACTURING
    8.
    发明申请
    AQUEOUS SOLUTION FOR CONTROLLING BACTERIA IN THE WATER USED FOR FRACTURING 审中-公开

    公开(公告)号：US20100307757A1

    公开(公告)日：2010-12-09

    申请号：US12793479

    申请日：2010-06-03

    申请人： Kristel A. Blow ,  Syed A. Ali ,  Paul R. Howard ,  Curtis L. Boney ,  Shawn McCleskey Rimassa ,  Bruce A. MacKay ,  Leiming Li ,  Noel Coffman ,  Richard D. Hutchins

    发明人： Kristel A. Blow ,  Syed A. Ali ,  Paul R. Howard ,  Curtis L. Boney ,  Shawn McCleskey Rimassa ,  Bruce A. MacKay ,  Leiming Li ,  Noel Coffman ,  Richard D. Hutchins

    IPC分类号： E21B43/267 ,  E21B43/00

    CPC分类号： E21B37/00 ,  C09K8/605 ,  C09K8/68 ,  E21B43/26

    摘要： Methods and apparatus of embodiments of the invention relate to a system for treating a subterranean formation including mixing equipment to form a fluid comprising sodium hypochlorite and sodium diacetate; and pumps and a tubular to introduce the fluid into the subterranean formation, wherein a surface of the subterranean formation contains at least 15 percent less microorganisms than if no sodium hypochlorite were in the fluid. Methods and apparatus of embodiments of the invention relate to a method of producing a petroleum product from a wellbore including using a well treatment system comprising mixing equipment, pumps, and a tubular, forming a fluid comprising sodium hypochlorite and sodium diacetate; and introducing the fluid to the well treatment system to achieve a reduced population of microorganisms in the system. Methods and apparatus of embodiments of the invention relate to a system, comprising: a subterranean formation, a well treatment apparatus comprising mixing equipment, pumps, and a tubular, and a fluid comprising sodium hypochlorite and sodium diacetate to achieve a reduced population of microorganisms in the system. Methods and apparatus of embodiments of the invention relate to a method for treating a subterranean formation, comprising forming a fluid comprising sodium hypochlorite, a buffer, and a polymer; introducing the fluid to a surface of a subterranean formation; and decreasing a population of microorganisms, wherein the surface of the subterranean formation contains at least 15 percent less microorganisms than if no sodium hypochlorite were in the fluid, and wherein the fluid exhibits a pH of about 4.0 to about 7.5. Methods and apparatus of embodiments of the invention relate to a method for treating a subterranean formation, comprising forming a fluid comprising sodium hypochlorite and sodium diacetate; and introducing the fluid to a subterranean formation, wherein forming the fluid does not include introducing an acid, and wherein forming the fluid does not include forming a precipitate.

    Method of Heterogeneous Etching of Sandstone Formations
    9.
    发明申请
    Method of Heterogeneous Etching of Sandstone Formations 审中-公开
    砂岩地层异质蚀刻方法

    公开(公告)号：US20080314594A1

    公开(公告)日：2008-12-25

    申请号：US11767589

    申请日：2007-06-25

    申请人： John W. Still ,  Isabelle Couillet ,  Bruce A. MacKay ,  Ryan Hartman

    发明人： John W. Still ,  Isabelle Couillet ,  Bruce A. MacKay ,  Ryan Hartman

    IPC分类号： E21B43/27

    CPC分类号： C09K8/72

    摘要： The invention provides a method of treating a sandstone-containing subterranean formation penetrated by a wellbore. The method is carried out by forming a slurry of a carrier fluid containing a viscosifying agent and encapsulated particles of a hydrogen fluoride source without settling of the particles. The carrier fluid may be an acid-based carrier fluid. The encapsulated hydrogen fluoride source may be encapsulated with a solid polymer acid precursor. The hydrogen fluoride source is present within the slurry in an amount of about 10% or more by weight of the slurry. The slurry is introduced into the wellbore at a pressure above the fracture pressure of the formation under conditions wherein the hydrogen fluoride source is released.

    摘要翻译： 本发明提供了一种处理由井筒渗透的含砂岩的地层的方法。 该方法通过在不沉降颗粒的情况下形成含有增粘剂和包封的氟化氢源的颗粒的载体流体的浆液来进行。 载体流体可以是酸基载体流体。 封装的氟化氢源可以用固体聚合物酸前体包封。 氟化氢源以浆料的重量计约10％或更多的量存在于浆料内。 在释放氟化氢源的条件下，将浆料以高于地层断裂压力的压力引入井筒。