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    • 41. 发明申请
    • BARRIER PILLS
    • WO2016130110A1
    • 2016-08-18
    • PCT/US2015/015189
    • 2015-02-10
    • HALLIBURTON ENERGY SERVICES, INC.
    • GALINDO, Kay, AnnKULKARNI, SandeepMILLER, Matthew, LynnJAMISON, Dale, E.RAMIREZ ANGULO, Jessica, PaolaSHUMWAY, William, Walter
    • C09K8/14C09K8/03E21B43/22
    • C09K8/145C09K8/14C09K8/16C09K8/24C09K2208/08E21B21/002
    • The present disclosure relates to systems and methods for wellbore pressure control with separated fluid columns. One embodiment is a composition comprising: a base fluid, a hectorite clay, a secondary clay comprising at least one clay selected from the group consisting of an attapulgite clay, a sepiolite clay, a polygorskite clay, and any combination thereof, and a plurality of fibers. Another embodiment is a method comprising: introducing a first fluid into a wellbore; introducing a barrier pill into the wellbore, wherein the barrier pill comprises: a base fluid, a hectorite clay, and a plurality of fibers; and introducing a second fluid into the wellbore. Another embodiment is a method comprising: introducing a first fluid into a wellbore; introducing a barrier pill into the wellbore, wherein the barrier pill comprises: a base fluid, a hectorite clay, and a secondary clay comprising at least one clay selected from the group consisting of an attapulgite clay, a sepiolite clay, a polygorskite clay, and any combination thereof; and introducing a second fluid into the wellbore.
    • 本公开涉及用于具有分离的流体柱的井筒压力控制的系统和方法。 一个实施方案是一种组合物,其包括:基础流体,锂蒙脱石粘土,包含至少一种选自由绿坡缕石粘土,海泡石粘土,多铁屑粘土及其任何组合组成的组中的至少一种粘土的二次粘土,以及多个 纤维。 另一个实施例是一种方法,包括:将第一流体引入井眼; 在所述井眼中引入阻隔丸,其中所述阻隔丸包括:基础液,锂蒙脱石粘土和多根纤维; 并将第二流体引入井眼。 另一个实施例是一种方法,包括:将第一流体引入井眼; 在所述井眼中引入阻隔丸,其中所述阻隔丸包括:基础液,锂蒙脱石粘土和辅助粘土,其包含至少一种选自由绿坡缕石粘土,海泡石粘土,多花岗岩粘土和 其任何组合; 并将第二流体引入井眼。
    • 42. 发明申请
    • METHOD OF DRILLING AND JET DRILLING SYSTEM
    • 钻井和钻井系统的方法
    • WO2011076845A1
    • 2011-06-30
    • PCT/EP2010/070490
    • 2010-12-22
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.BLANGÉ, Jan-JetteVAN NIEUWKOOP, Pieter
    • BLANGÉ, Jan-JetteVAN NIEUWKOOP, Pieter
    • E21B7/04E21B7/18E21B7/00B24C9/00
    • E21B7/18B24C1/045B24C5/02E21B7/04E21B21/002
    • 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.
    • 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。
    • 43. 发明申请
    • FLUID JET DRILLING TOOL
    • 流体钻井钻具
    • WO2005040546A1
    • 2005-05-06
    • PCT/EP2004/052677
    • 2004-10-27
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.SHELL CANADA LIMITEDBLANGÉ, Jan-Jette
    • BLANGÉ, Jan-Jette
    • E21B7/18
    • E21B21/002E21B7/18
    • The invention features an excavating device (1) for excavating a hole (2) in a geological formation, which excavating device (1) comprises: a body rotatable inside the hole (2) along a rotation axis; a nozzle (7) arranged on the body to jet a stream of an abrasive fluid (9) onto a surface (4) in the geological formation in order to generate the hole (2), wherein the stream has at least an radial velocity component and one parallel to the rotation axis. The excavating device further comprises: a distance holder (8, 38) arranged on the body to ensure a predefined distance between the nozzle (7) outlet and the surface (4); wherein the distance holder (8, 38) has a trumpet shaped inner surface section (12) facing the geological formation, which trumpet shaped inner surface section (12) is provided with an opening (16) for allowing the stream (9) to pass through. The opening (16) in the trumpet shaped inner surface section (12) is defined by a recess (15) that is formed in the inner surface (12) of the wall of the distance holder (8, 38), whereby the nozzle is arranged to discharge in the recess. The invention also features a distance holder (8, 38) such as described above.
    • 本发明的特征在于一种用于挖掘地质构造中的孔(2)的挖掘装置(1),该挖掘装置(1)包括:沿着旋转轴线在孔(2)内旋转的主体; 喷嘴(7),布置在主体上以将研磨流体(9)的流喷射到地质层中的表面(4)上,以便产生孔(2),其中该流具有至少一个径向速度分量 一个平行于旋转轴。 挖掘装置还包括:设置在主体上的距离保持器(8,38),以确保喷嘴(7)出口和表面(4)之间的预定距离; 其中所述距离保持器(8,38)具有面向所述地质构造的喇叭形内表面部分(12),所述喇叭形内表面部分(12)设置有用于允许所述流(9)通过的开口(16) 通过。 喇叭形内表面部分12中的开口16由形成在距离保持器(8,38)的壁的内表面(12)中的凹部(15)限定,从而喷嘴 布置成在凹部中排出。 本发明还具有如上所述的距离保持器(8,38)。
    • 44. 发明申请
    • DEVICE FOR TRANSPORTING PARTICLES OF A MAGNETIC MATERIAL AND TOOL COMPRISING SUCH A DEVICE
    • 用于运输包含这种装置的磁性材料和工具的颗粒的装置
    • WO2005005766A1
    • 2005-01-20
    • PCT/EP2004/051407
    • 2004-07-08
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.SHELL CANADA LIMITEDBLANGÉ, Jan-Jette
    • BLANGÉ, Jan-Jette
    • E21B7/18
    • E21B21/002B03C1/0332B03C1/14B24C9/006B24C11/00E21B7/18Y02P70/179
    • A device for transporting particles containing a magnetic material in a selected direction, comprising: a magnet (7) arranged to generate a magnetic field for retaining the particles on a support surface (15) whereby the magnetic field on the support surface comprises a high-field band, a low-field band, and a magnetic field gradient between said high- and low-field bands; means for advancing the high- and low-field bands relative to the support surface (15) in a direction having a component in the direction of said magnetic field gradient, whereby the high-field band is followed by the low-field band; whereby along said high-field band at least a first magnetic pole and a second magnetic pole of opposite polarity are arranged such that a first magnetic path on the support surface from the first magnetic pole to the second magnetic pole is shorter than a second magnetic path on the support surface crossing the gradient zone from the first magnetic pole to any other nearest magnetic pole of opposite polarity.
    • 一种用于沿所选方向传送包含磁性材料的颗粒的装置,包括:磁体(7),其布置成产生用于将颗粒保持在支撑表面(15)上的磁场,由此支撑表面上的磁场包括高分辨率 场频带,低场频带和所述高场和低场频带之间的磁场梯度; 用于在具有所述磁场梯度方向上的分量的方向上相对于所述支撑表面(15)推进所述高场和低场带的装置,由此所述高场频带跟随所述低场频带; 由此沿着所述高场频带,至少第一磁极和相反极性的第二磁极被布置成使得从第一磁极到第二磁极的支撑表面上的第一磁路比第二磁路 在从第一磁极到相对极性的任何其他最近的磁极的梯度区的支撑表面上。
    • 45. 发明申请
    • DRILLING FLUID SCREEN AND METHOD
    • 钻井液屏和方法
    • WO03069123A2
    • 2003-08-21
    • PCT/US0302605
    • 2003-01-29
    • MASHBURN BENNY DONALD
    • MASHBURN BENNY DONALD
    • E21B21/00E21B27/00E21F
    • E21B21/002E21B27/005
    • An apparatus for filtering a drilling fluid. The apparatus comprises a cylindrical flange member having a first and second passage and a cylindrical sleeve having an internal fishing neck. An attachment pin attaches the flange member to the cylindrical sleeve. The apparatus further comprises a screen member attached to the cylindrical sleeve. In one embodiment, the first and second passage are disposed off-centered so that four bore holes are created. The attachment pin cooperates with a groove formed on the sleeve's outer diameter surface. The apparatus may further include a pulling tool. The pulling tool contains a plurality of dog members disposed about a mandrel, and a spring that urges the dog members into engagement with a protuberance on the mandrel. The apparatus further comprises a shear pin attaching the dog members to the mandrel and wherein the shear pin is disposed within a slot so that the dog members can move axially relative to the mandrel. In one embodiment, the screen member is a cylindrical ribbed body. A method of cleaning a drilling fluid is also disclosed.
    • 一种用于过滤钻井液的装置。 该装置包括具有第一和第二通道的圆柱形凸缘构件和具有内部钓鱼颈部的圆柱形套筒。 连接销将凸缘构件附接到圆柱形套筒。 该装置还包括连接到圆柱形套筒上的筛网构件。 在一个实施例中,第一和第二通道偏心设置,从而产生四个钻孔。 连接销与形成在套筒的外径表面上的槽配合。 该装置还可以包括拉动工具。 牵引工具包括围绕心轴设置的多个狗部件,以及促使狗部件与心轴上的突起接合的弹簧。 所述装置还包括将所述狗构件附接到所述心轴的剪切销,并且其中所述剪切销设置在狭槽内,使得所述狗构件可相对于所述心轴轴向移动。 在一个实施例中,屏幕构件是圆柱形肋状体。 还公开了一种清洁钻井液的方法。
    • 46. 发明申请
    • DOWN HOLE BYPASS VALVE
    • 向下孔旁路阀
    • WO1997021020A1
    • 1997-06-12
    • PCT/GB1996003027
    • 1996-12-09
    • THE RED BARON (OIL TOOLS RENTAL) LIMITEDMcGARIAN, BruceTULLOCH, Rory, McCraeBARR, Lawrence, Robert
    • THE RED BARON (OIL TOOLS RENTAL) LIMITED
    • E21B34/10
    • E21B23/006E21B21/002E21B21/103E21B34/102
    • The invention relates to bypass valves for use in wellbores, particularly but not exclusively to bypass valves used during the setting of hydraulic anchor packers. The invention provides a bypass valve for selectively isolating the interior of a down-hole assembly from the exterior thereof, the bypass valve comprising constraining means (42, 44, 52) being adapted to permit movement of a piston (30) from a first position to a second position in response to a predetermined pressure differential between a bore (58) of the piston (30) and the exterior of a boy (4) but normally preventing movement of the piston (30) to a third position in which the bore (58) of the piston (30) is substantially isolated from the exterior of the body (4), and overriding means for overriding the constraining means (42, 44, 52) so as to permit movement of the piston (30) to the third position. The invention thereby provides a bypass valve which resists any tendency to close prematurely and which communicates any such tendancy to the surface.
    • 本发明涉及在井筒中使用的旁通阀,特别地但不仅限于在液压锚式包装机设置期间使用的旁通阀。 本发明提供了一种用于选择性地将井下组件的内部与其外部隔离的旁通阀,旁通阀包括限制装置(42,44,52),其适于允许活塞(30)从第一位置 响应于活塞(30)的孔(58)和男孩(4)的外部之间的预定压力差而通常防止活塞(30)运动到第三位置的第二位置,在第三位置, 活塞(30)的活塞(58)与主体(4)的外部基本上隔离,并且用于覆盖约束装置(42,44,52)以便允许活塞(30)移动到 第三名。 因此,本发明提供一种旁通阀,其抵抗任何过早关闭的倾向,并将任何这种倾向传递到该表面。