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    • 6. 发明公开
    • DEVICE AND METHOD FOR DRILLING WITH CONTINOUS TOOL ROTATION AND CONTINOUS DRILLING FLUID SUPPLY
    • VORRICHTUNG UND VERFAHREN ZUM BOHREN MIT DURCHGEHENDER WERKZEUGDREHUNG UND DURCHGEHENDERBOHRFLÜSSIGKEITSVERSORGUNG
    • EP2529074A4
    • 2017-07-05
    • EP11737332
    • 2011-01-25
    • WEST DRILLING PRODUCTS AS
    • KROHN HELGEGRINRØD MADSSKJÆRSETH ODD B
    • E21B7/00E21B3/02E21B3/04E21B19/16
    • E21B3/045E21B3/02E21B3/04E21B4/02E21B19/00E21B19/16E21B21/10
    • A device is for a drilling rig for forming of a bore hole in a subterranean structure. The drilling rig comprises a first, top driven drilling machine arranged vertically displaceable along a guide track, where a second drilling machine is arranged between the first drilling machine and the bore hole, vertically displaceable along a guide track and provided with a rotary table arranged to be able to take the weight of a pipe string. A rotary drive unit is arranged for continuous rotation of the pipe string. A fluid chamber is arranged to, in a fluid communicating way, be able to connect a pipe string end portion with a drilling liquid plant. As the fluid chamber is provided with pipe string ports comprising means arranged to, in a fluid sealing way, be able to close the pipe string ports. A power tong is arranged for continuous rotation of an element connected to the pipe string, as the power tong is arranged in the fluid chamber. Also, a method is for drilling with continuous tool rotation and continuous drilling liquid supply.
    • 一种装置用于在地下结构中形成钻孔的钻机。 所述钻机包括第一顶驱动钻机,所述第一顶驱动钻机沿着导轨可竖直移位,其中第二钻机设置在所述第一钻机与所述钻孔之间,所述第二钻机可沿着导轨垂直移位并且设有旋转台,所述旋转台布置成 能够承担管柱的重量。 旋转驱动单元布置成用于管柱的连续旋转。 流体室布置成以流体连通的方式能够将管柱端部与钻井液设备连接。 由于流体室设置有管柱端口,该管端口包括布置成以流体密封方式能够关闭管柱端口的装置。 由于动力钳布置在流体室中,动力钳布置成用于连接到管柱的元件的连续旋转。 另外,一种方法是用连续的工具旋转和连续的钻井液供应进行钻孔。
    • 9. 发明公开
    • ARRANGEMENT FOR CONTINUOUS CIRCULATION OF DRILLING FLUID DURING DRILLING OPERATIONS
    • 钻井液钻井过程中连续循环的布置
    • EP2861816A1
    • 2015-04-22
    • EP13806771.5
    • 2013-06-13
    • West Drilling Products AS
    • SKJÆRSETH, Odd B.EILERTSEN, Bjørn
    • E21B19/16E21B21/10
    • E21B3/02E21B19/00E21B19/16E21B21/10
    • A circulation unit (3) for an arrangement arranged to continuously circulate drilling fluid during drilling is described, in which a housing (31) is provided with a centre bore (313) which is defined by upper and lower annular sealing elements (32, 32') which are rotatably supported in the housing (31); the sealing elements (32, 32') are provided with a centre opening (321) which, by the expansion of said sealing elements (32, 32'), is closable or fits tightly against a pipe (5, 51, 51', 431); and a gate valve (34) in a closed state forms a fluid-tight partition between upper and lower chambers (311, 312) in the housing (31), and in which each of the sealing elements (32, 32') is connected in a fluid-tight manner to a rotatable packer pipe (331) surrounded by a packer assembly (33 and 33', respectively) that fits tightly against the circumference of the packer pipe (331) and against the housing (31). An arrangement for the continuous circulation of drilling fluid during drilling, including a circulation unit (3) arranged between upper and lower rotary units (2, 2'), is described as well.
    • 描述了一种用于布置成在钻井期间连续循环钻井液的装置的循环单元(3),其中壳体(31)设置有中心孔(313),该中心孔由上部和下部环形密封元件(32,32 '),其可旋转地支撑在壳体(31)中; 密封元件(32,32')设置有中心开口(321),通过所述密封元件(32,32')的膨胀,所述中心开口(321)可关闭或紧密配合抵靠管(5,51,51' 431); 和处于关闭状态的闸阀(34)形成壳体(31)中的上室和下室(311,312)之间的流体密封隔板,并且其中密封元件(32,32')中的每一个被连接 以流体密封的方式与由封隔器组件(分别为33和33')围绕的可旋转封隔器管(331)密封地贴合在封隔器管(331)的圆周上并紧靠壳体(31)。 还描述了用于在钻井期间连续循环钻井液的装置,其包括布置在上部和下部旋转单元(2,2')之间的循环单元(3)。
    • 10. 发明公开
    • DEVICE AND METHOD FOR DRILLING WITH CONTINOUS TOOL ROTATION AND CONTINOUS DRILLING FLUID SUPPLY
    • 装置和方法与连续刀具旋转和THROUGHBOHRFLÜSSIGKEITSVERSORGUNG钻
    • EP2529074A1
    • 2012-12-05
    • EP11737332.4
    • 2011-01-25
    • West Drilling Products AS
    • KROHN, HelgeGRINRØD, MadsSKJÆRSETH, Odd B.
    • E21B7/00E21B19/16E21B3/04E21B3/02
    • E21B3/045E21B3/02E21B3/04E21B4/02E21B19/00E21B19/16E21B21/10
    • There is described a device for a drilling rig for forming of a bore hole (6) in a subterranean structure (63), wherein the drilling rig comprises a first, top driven drilling machine (1) arranged vertically displaceable along a guide track (21), where a second drilling machine (3) is arranged between the first drilling machine (1) and the bore hole (6) vertically displaceable along a guide track (41) and provided with a rotary table (31) arranged to be able to take the weight of a pipe string (5), a rotary drive unit (32) arranged for continuous rotation of the pipe string (5), a fluid chamber (34) arranged to in a fluid communicating way to be able to connect a pipe string end portion (51) with a drilling liquid plant (7), as the fluid chamber (34) is provided with pipe string ports (341, 343) comprising means (342, 344, 345) arranged to in a fluid sealing way to be able to close the pipe string ports (341, 343), and a power tong (33) arranged for continuous rotation of an element (12, 52) connected to the pipe string (5), as the power tong (33) is arranged in the fluid chamber (34). Also described is a method for drilling with continuous tool rotation and continuous drilling liquid supply.
    • 的装置为钻机用于形成钻孔到地下结构。 钻机包括第一,顶部驱动钻机沿着引导轨道,其中一个第二钻孔机在第一钻孔机和钻孔之间设置垂直布置移动,沿导轨垂直移动并且设置有布置成一旋转台 能够采取管柱的重量。的旋转驱动单元被布置用于管柱的连续旋转。流体室设置成,在流体连通的方式,能够管柱的端部与一钻连接 液体的计划。 当流体室设置有管柱端口包括装置布置成,以流体密封的方式,能够关闭管柱端口。 动力钳被布置为连接到所述管柱的元件的连续旋转,当动力钳在流体室,其设置。 因此,一个方法是为具有连续刀具旋转和连续钻孔液体供给钻探。