METHOD OF DRILLING AND ABRASIVE JET DRILLING ASSEMBLY
    1.
    发明申请
    METHOD OF DRILLING AND ABRASIVE JET DRILLING ASSEMBLY 审中-公开
    钻井和钻井钻井组件的方法

    公开(公告)号:WO2011076851A1

    公开(公告)日:2011-06-30

    申请号:PCT/EP2010/070496

    申请日:2010-12-22

    CPC classification number: E21B7/04 B24C1/045 B24C5/02 E21B7/18 E21B21/002

    Abstract: A method of drilling into an object, comprising providing a drill string (1) in a borehole (2) in the object, the drill string comprising an abrasive jet drill head (16) including a jet nozzle (18), and providing a passageway (20) for fluid from the object's surface to the jet nozzle; supplying a fluid mixture comprising magnetic particles via the drill string towards the abrasive jet drill head and blasting from the jet nozzle an abrasive jet (19) into impingement with the object; modulating (14) a jetting concentration of magnetic particles in the abrasive jet; by modulating a magnetic field at a collection surface (114) arranged along a flow path of fluid towards the jet nozzle between a first value of the magnetic field, at which magnetic particles are collected from the fluid mixture at the collection surface, and a second value, at which magnetic particles are released into the fluid mixture from the collection surface.

    Abstract translation: 一种钻入物体的方法,包括在所述物体中的钻孔(2)中提供钻柱(1),所述钻柱包括包括喷嘴(18)的磨料喷射钻头(16),并且提供通道 (20),用于从物体表面到喷嘴的流体; 将包括磁性颗粒的流体混合物通过钻柱向磨料喷射钻头供应并从喷嘴喷射磨料射流(19)与物体冲击; 调制(14)磨料射流中的磁性颗粒的喷射浓度; 通过在位于收集表面处的液体混合物收集磁性颗粒的磁场的第一值之间调制在沿着流体的流动路径布置的收集表面(114)处的磁场, 其中磁性颗粒从收集表面释放到流体混合物中。

    METHOD OF CREATING A WELLBORE SYSTEM
    2.
    发明申请
    METHOD OF CREATING A WELLBORE SYSTEM 审中-公开
    创建井筒系统的方法

    公开(公告)号:WO2009074643A3

    公开(公告)日:2010-08-19

    申请号:PCT/EP2008067307

    申请日:2008-12-11

    CPC classification number: E21B43/103 E21B7/20 E21B33/068 F16L55/1651

    Abstract: A method is disclosed of creating a wellbore system, the method comprising arranging an expandable tubular element in a wellbore (1) formed in an earth formation (2) whereby a lower end portion of the wall of the tubular element extends radially outward and in axially reverse direction so as to form an expanded tubular section (10) extending around a remaining tubular section (8) of the tubular element (4), and axially extending the expanded tubular section by moving the remaining tubular section downward relative to the expanded tubular section so that said lower end portion (11) of the wall bends radially outward and in axially reverse direction, whereby an annulus (16) is defined between said expanded and remaining tubular sections, the annulus containing a body of fluid (18). A volume of said fluid is replaced by pumping a stream of replacement fluid into the annulus and discharging said volume of fluid from the annulus whereby at least one of said volume of fluid and said stream of replacement fluid flows through a conduit (20) extending into the annulus.

    Abstract translation: 公开了一种创建井筒系统的方法,该方法包括将可膨胀的管状元件布置在形成于地层(2)中的井眼(1)中,由此管状元件的壁的下端部分径向向外并沿着轴向延伸 以便形成围绕管状元件(4)的剩余管状部分(8)延伸的膨胀的管状部分(10),并且通过相对于膨胀的管状部分向下移动剩余的管状部分来轴向延伸膨胀的管状部分 使得所述壁的所述下端部分(11)沿径向向外并沿着轴向相反的方向弯曲,由此在所述膨胀和剩余的管状部分之间限定环形空间(16),所述环形空间包含流体体(18)。 通过将更换流体流泵送到环空中并将所述体积的流体从环形空间排出来代替所述流体的体积,由此所述体积的流体和所述替换流体流中的至少一个流过延伸到 环带。

    DIRECTIONAL DRILLING
    3.
    发明申请
    DIRECTIONAL DRILLING 审中-公开
    方向钻孔

    公开(公告)号:WO2012084934A1

    公开(公告)日:2012-06-28

    申请号:PCT/EP2011/073386

    申请日:2011-12-20

    CPC classification number: E21B7/065 E21B7/18

    Abstract: A method of controlling the direction of drilling comprising: providing a drill bit comprising mechanical cutting means forming a bit face and a plurality of nozzles for ejecting drilling fluid arranged at different azimuthal positions with respect to the bit face, and an intermediate space between an inlet port of the drill bit and the plurality of nozzles; rotating the drill bit while passing drilling fluid comprising solids through the intermediate space and the plurality of nozzles, so as to deepen the borehole; and modifying solids concentration of drilling fluid portions flowing through the plurality of nozzles while rotating the drill bit, so that the solids concentration, for the drilling fluid portion flowing through each of the nozzles, is relatively increased when the respective nozzle is in a selected first angular sector of the borehole bottom, as compared to a second angular sector.

    Abstract translation: 一种控制钻井方向的方法,包括:提供钻头,其包括形成钻头面的机械切割装置和用于喷射相对于钻头面布置在不同方位位置的钻井流体的多个喷嘴,以及入口之间的中间空间 钻头端口和多个喷嘴; 在通过包括固体的钻井流体穿过中间空间和多个喷嘴的同时旋转钻头,以便加深钻孔; 以及在旋转所述钻头的同时改变流过所述多个喷嘴的钻井液部分的固体浓度,使得当相应喷嘴处于选定的第一位置时,用于流经每个喷嘴的钻井流体部分的固体浓度相对增加 与第二角度扇区相比,钻孔底部的角度部分。

    METHOD OF DRILLING AND JET DRILLING SYSTEM
    4.
    发明申请
    METHOD OF DRILLING AND JET DRILLING SYSTEM 审中-公开
    钻井和钻井系统的方法

    公开(公告)号:WO2011076845A1

    公开(公告)日:2011-06-30

    申请号:PCT/EP2010/070490

    申请日:2010-12-22

    CPC classification number: E21B7/18 B24C1/045 B24C5/02 E21B7/04 E21B21/002

    Abstract: Method of drilling, comprising providing a drill string (1) in a borehole (2), the drill string comprising an abrasive jet drill head (16) including a jet nozzle (18), the drill string providing a passageway (20) for fluid to the jet nozzle; supplying a supply fluid mixture via the drill string to the abrasive jet drill head comprising a supply concentration of abrasive particles; generating an abrasive jet (19) of a jetting fluid mixture comprising a jetting concentration of abrasive particles at the jet nozzle, so as to blast with an erosive power on an impingement area of the borehole, wherein the jetting concentration depends on the supply concentration; and modulating (14) the jetting concentration of the abrasive particles; wherein the supply concentration of abrasive particles in the supply fluid mixture is modulated in order to modulate the jetting concentration in the abrasive jet.

    Abstract translation: 钻井方法,包括在钻孔(2)中提供钻柱(1),所述钻柱包括包括喷嘴(18)的磨料喷射钻头(16),所述钻柱提供用于流体的通道(20) 到喷嘴; 通过钻柱将供应流体混合物供应到磨料喷射钻头,其包括磨料颗粒的供应浓度; 产生喷射流体混合物的磨料射流(19),所述喷射流体混合物包括在所述喷嘴处的磨料颗粒的喷射浓度,以便在所述钻孔的冲击区域上以侵蚀力喷射,其中所述喷射浓度取决于所述供应浓度; 并调节(14)磨料颗粒的喷射浓度; 其中调节供料流体混合物中磨料颗粒的供应浓度以调节磨料射流中的喷射浓度。

    METHOD OF EXPANDING A TUBULAR ELEMENT IN A WELLBORE

    公开(公告)号:WO2009074633A3

    公开(公告)日:2009-06-18

    申请号:PCT/EP2008/067294

    申请日:2008-12-11

    Abstract: A method is provided of radially expanding a tubular element (4) in a wellbore (19) formed in an earth formation (2), the method comprising arranging the tubular element in the wellbore whereby a lower end portion of the wall (59) of the tubular element extends radially outward and in axially reverse direction so as to form an expanded tubular section (10) extending around a remaining tubular section (8) of the tubular element, whereby an annulus (16) is defined between said expanded and remaining tubular sections, and axially extending the expanded tubular section by moving the remaining tubular section downward relative to the expanded tubular section so that said lower end portion of the wall bends radially outward and in axially reverse direction. A diameter of the expanded tubular section is controlled by controlling a fluid pressure in the annulus.

    METHOD OF EXPANDING A TUBULAR ELEMENT IN A WELLBORE
    6.
    发明申请
    METHOD OF EXPANDING A TUBULAR ELEMENT IN A WELLBORE 审中-公开
    在井筒中扩展管状元件的方法

    公开(公告)号:WO2009074633A2

    公开(公告)日:2009-06-18

    申请号:PCT/EP2008067294

    申请日:2008-12-11

    CPC classification number: E21B43/103

    Abstract: A method is provided of radially expanding a tubular element in a wellbore formed in an earth formation, the method comprising arranging the tubular element in the wellbore whereby a lower end portion of the wall of the tubular element extends radially outward and in axially reverse direction so as to form an expanded tubular section extending around a remaining tubular section of the tubular element, whereby an annulus is defined between said expanded and remaining tubular sections, and axially extending the expanded tubular section by moving the remaining tubular section downward relative to the expanded tubular section so that said lower end portion of the wall bends radially outward and in axially reverse direction. A diameter of the expanded tubular section is controlled by controlling a fluid pressure in the annulus.

    Abstract translation: 提供了一种将管状元件径向膨胀在形成于地层中的井眼中的方法,该方法包括将管状元件布置在井眼中,由此管状元件的壁的下端部分径向向外并沿轴向相反的方向延伸,因此 以形成围绕所述管状元件的剩余管状部分延伸的膨胀管状部分,由此在所述膨胀管段和剩余管状部分之间限定环形空间,并且通过相对于所述膨胀管状物向下移动剩余的管状部分来轴向延伸所述膨胀的管状部分 使得所述壁的所述下端部径向向外并沿着轴向相反的方向弯曲。 通过控制环中的流体压力来控制膨胀的管状部分的直径。

    RADIALLY EXPANDING A TUBULAR ELEMENT
    7.
    发明申请
    RADIALLY EXPANDING A TUBULAR ELEMENT 审中-公开
    放射性扩张管状元件

    公开(公告)号:WO2008049826A1

    公开(公告)日:2008-05-02

    申请号:PCT/EP2007/061324

    申请日:2007-10-23

    CPC classification number: F16L55/1651 E21B43/103

    Abstract: The invention relates to a method of radially expanding a tubular element. The method comprises inducing the wall of the tubular element to bend radially outward and in axially reverse direction so as to form an expanded tubular section extending around an unexpanded section of the tubular element, said wall having a resistance to radially outward bending and a resistance to stretching in circumferential direction. Said wall is provided with at least one of primary means for increasing the resistance to radially outward bending of the wall, and secondary means for reducing the resistance to stretching in circumferential direction of the wall.

    Abstract translation: 本发明涉及一种径向膨胀管状元件的方法。 该方法包括诱导管状元件的壁径向向外并沿着轴向相反的方向弯曲,以形成围绕管状元件的未膨胀部分延伸的膨胀管状部分,所述壁具有抵抗径向向外弯曲的阻力和 沿圆周方向伸展。 所述壁设置有用于增加对壁的径向向外弯曲的抵抗力的主要装置中的至少一个,以及用于降低壁的圆周方向上的拉伸阻力的次级装置。

    METHOD OF DRILLING AND JET DRILLING SYSTEM
    8.
    发明申请
    METHOD OF DRILLING AND JET DRILLING SYSTEM 审中-公开
    钻井和钻井系统的方法

    公开(公告)号:WO2011076846A1

    公开(公告)日:2011-06-30

    申请号:PCT/EP2010/070491

    申请日:2010-12-22

    Abstract: A method of drilling into an object, the method comprising providing a drill string (1) in a borehole (2) in the object, the borehole having at its bottom a borehole axis (48), the drill string comprising a borehole- centralized jet drill head (16) at its lower end, the jet drill head having a drill axis (20), and comprising a jet nozzle (18); providing a stabilizer means for the drill string, the stabilizer means determining an inclination angle between the borehole axis and the drill axis; and generating a fluid jet (19) at the jet nozzle, so as to blast with an erosive power on an impingement area of the borehole, thereby deepening the borehole, wherein the drill string is rotated while deepening the borehole.

    Abstract translation: 一种钻入物体的方法,所述方法包括在所述物体中的钻孔(2)中提供钻柱(1),所述钻孔在其底部具有钻孔轴线(48),所述钻柱包括钻孔集中喷射 钻头(16)在其下端,所述喷射钻头具有钻轴(20),并且包括喷嘴(18); 提供用于钻柱的稳定器装置,所述稳定装置确定所述钻孔轴线和所述钻井轴线之间的倾斜角度; 以及在喷嘴处产生流体射流(19),以便在钻孔的冲击区域上以侵蚀力进行喷砂,从而加深钻孔,其中钻柱在加深钻孔的同时旋转。

    METHOD OF EXPANDING A TUBULAR ELEMENT IN A WELLBORE
    9.
    发明申请
    METHOD OF EXPANDING A TUBULAR ELEMENT IN A WELLBORE 审中-公开
    在井筒中扩展管状元件的方法

    公开(公告)号:WO2009087068A3

    公开(公告)日:2010-09-16

    申请号:PCT/EP2008068296

    申请日:2008-12-24

    CPC classification number: E21B43/103 E21B7/20 F16L55/164 F16L55/1651

    Abstract: A method is disclosed of radially expanding a tubular element (4) in a wellbore (1) formed in an earth formation (2). The method comprises arranging the tubular element in the wellbore whereby a lower end portion of the wall of the tubular element extends radially outward and in axially reverse direction so as to form an expanded tubular section (10) extending around a remaining tubular section (8) of the tubular element, whereby an annulus (16) is defined between said expanded and remaining tubular sections. The expanded tubular section is axially extended by moving the remaining tubular section downward relative to the expanded tubular section so that said lower end portion (11) of the wall bends radially outward and in axially reverse direction, and load transfer means (18) is positioned in the annulus, the load transfer means being arranged to transfer a load between the remaining tubular section and the expanded tubular section.

    Abstract translation: 公开了一种在形成于地层(2)中的井眼(1)中径向膨胀管状元件(4)的方法。 该方法包括将管状元件布置在井筒中,由此管状元件的壁的下端部分径向向外并沿轴向相反的方向延伸,以便形成围绕剩余的管状部分(8)延伸的膨胀的管状部分(10) 由此在所述膨胀和剩余的管状部分之间限定环(16)。 膨胀的管状部分通过相对于膨胀的管状部分向下移动剩余的管状部分而轴向延伸,使得壁的所述下端部分(11)径向向外并沿着轴向相反的方向弯曲,并且负载传递装置(18)被定位 在环形空间中,负载传递装置被布置成在剩余的管状部分和膨胀的管状部分之间传递负载。

    METHOD OF CREATING A WELLBORE SYSTEM
    10.
    发明申请
    METHOD OF CREATING A WELLBORE SYSTEM 审中-公开
    创建井筒系统的方法

    公开(公告)号:WO2009074643A2

    公开(公告)日:2009-06-18

    申请号:PCT/EP2008/067307

    申请日:2008-12-11

    CPC classification number: E21B43/103 E21B7/20 E21B33/068 F16L55/1651

    Abstract: A method is disclosed of creating a wellbore system, the method comprising arranging an expandable tubular element in a wellbore formed in an earth formation whereby a lower end portion of the wall of the tubular element extends radially outward and in axially reverse direction so as to form an expanded tubular section extending around a remaining tubular section of the tubular element, and axially extending the expanded tubular section by moving the remaining tubular section downward relative to the expanded tubular section so that said lower end portion of the wall bends radially outward and in axially reverse direction, whereby an annulus is defined between said expanded and remaining tubular sections, the annulus containing a body of fluid. A volume of said fluid is replaced by pumping a stream of replacement fluid into the annulus and discharging said volume of fluid from the annulus whereby at least one of said volume of fluid and said stream of replacement fluid flows through a conduit extending into the annulus.

    Abstract translation: 公开了一种创建井筒系统的方法,该方法包括将可膨胀管状元件布置在形成于地层中的井筒中,由此管状元件的壁的下端部分径向向外并沿轴向相反的方向延伸以形成 延伸的管状部分围绕管状元件的剩余管状部分延伸,并且通过相对于膨胀的管状部分向下移动剩余的管状部分而轴向地延伸扩张的管状部分,使得所述壁的所述下端部分径向向外并沿轴向弯曲 由此在所述扩张和剩余的管状部分之间限定环形空间,所述环形空间包含流体体。 通过将更换流体流泵送到环空中并将所述体积的流体从环形空间排出来代替所述流体的体积,由此所述体积的流体和所述替换流体流中的至少一个流过延伸到所述环空中的导管。

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