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1. 发明公开

EP3186465A4 DOWNHOLE MOTOR FOR EXTENDED REACH APPLICATIONS 审中-公开
公开(公告)号：EP3186465A4
公开(公告)日：2018-05-30
申请号：EP15835748
申请日：2015-08-24
申请人： BAKER HUGHES INC
发明人： LEHR JOERG
IPC分类号： E21B4/02 , E21B4/18 , E21B44/04
CPC分类号： E21B4/18 , E21B4/02 , E21B44/04
摘要： An apparatus for forming a wellbore in a subterranean formation includes a drill bit, a connector connected to the drill bit and configured to transmit torque and thrust to the drill bit, and a drilling motor energized by a pressurized fluid. The drilling motor may include a stator and a rotor disposed in the stator and having a torque transmitting connection to the connector. The apparatus may also include a thrust generator associated with the rotor and having a pressure face in pressure communication with a fluid flowing through the drilling motor and a force application assembly selectively anchoring the stator to a wellbore wall. A related method uses the apparatus to drill a wellbore.

2. 发明授权

EP2758620B1 WELL TRACTOR WITH ACTIVE TRACTION CONTROL 失效
标题翻译：具有主动牵引力控制的井式拖拉机
公开(公告)号：EP2758620B1
公开(公告)日：2018-04-18
申请号：EP12769254.9
申请日：2012-09-17
申请人： Saudi Arabian Oil Company
发明人： AL-DOSSARY, Khalid, Abdullah
IPC分类号： E21B4/18 , E21B23/00 , E21B31/06 , E21B23/14
CPC分类号： E21B23/14 , E21B4/18 , E21B2023/008
摘要： A downhole tool that includes a tractor for assisting movement of the tool through deviated portions of a wellbore. The tractor includes a working fluid that damps vibrations in the tractor by adjusting the viscosity in the fluid. In an example, the working fluid is a magnetorheological fluid that has a viscosity that changes in response to applied electrical energy. The working fluid, which may be used for powering actuators on the tractor, may contain a suspension of magnetic particles.

3. 发明授权

EP2986817B1 DOWNHOLE TOOL CAPABLE OF WITHSTANDING HIGH TEMPERATURES 有权
标题翻译：井下工具可以耐受高温
公开(公告)号：EP2986817B1
公开(公告)日：2018-01-17
申请号：EP14718069.9
申请日：2014-04-16
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , NØRGAARD, Anders Just
IPC分类号： E21B43/12 , E21B4/04 , E21B4/18 , H02H9/04
CPC分类号： E21B41/0085 , E21B4/04 , E21B4/18 , H02H9/04 , H02H9/041 , H02H9/042
摘要： The present invention relates to a downhole tool for performing an operation in a well downhole, the tool being powered by direct current at a predetermined voltage in a first end by a power supply unit, comprising an electrical motor being powered by alternating current, a frequency converter arranged between the first end and the motor, and a voltage peak reduction unit adapted to reduce the voltage of the power supplied to the frequency converter from the power supply, the voltage peak reduction unit comprising a capacitor, wherein the capacitor is a high temperature capacitor having a dielectric comprising a material capable of resisting a temperature above 150°C. Furthermore, the present invention relates to a downhole tool string and to a method of protecting a frequency converter from peaks of voltage in power supplied to the frequency converter in a downhole tool according to the present invention.

4. 发明授权

EP2820227B1 FEEDING DEVICE FOR A DOWNHOLE TOOL AND METHOD FOR AXIAL FEEDING OF A DOWNHOLE TOOL 有权
标题翻译：用于井下工具的进给装置和用于井下工具的轴向进给的方法
公开(公告)号：EP2820227B1
公开(公告)日：2017-09-27
申请号：EP13754764.2
申请日：2013-02-28
申请人： West Production Technology AS
发明人： SKJÆRSETH, Odd, B. , VESHOVDE, Jarle
IPC分类号： E21B4/18 , E21B23/00 , E21B29/00 , E21B23/14
CPC分类号： E21B23/00 , E21B4/18 , E21B23/14 , E21B2023/008
摘要： A feeding device is for a rotatable downhole tool. The feeding device is provided with several feeding wheels lying in a plane which is slanted relative to a plane which is perpendicular to the center axis of the downhole tool. A method is for feeding a downhole tool axially by the use of the feeding device, when working a portion of a surrounding pipe body.
摘要翻译：进料装置用于可旋转的井下工具。进料装置设置有多个进料轮，所述进料轮位于相对于与井下工具的中心轴线垂直的平面倾斜的平面中。一种方法是当加工周围管体的一部分时，通过使用送料装置轴向送入井下工具。

5. 发明公开

EP2422037A4 STROKER DEVICE 有权转让
标题翻译： SCHLAGVORRICHTUNG
公开(公告)号：EP2422037A4
公开(公告)日：2017-06-14
申请号：EP10767354
申请日：2010-04-19
申请人： ALTUS INTERVENTION AS
发明人： FERKINGSTAD KARL EINAR , MOTLAND ARNE , BJØRNDAL RUNE
IPC分类号： E21B4/18 , E21B23/00 , E21B23/04
CPC分类号： E21B23/04 , E21B4/18 , E21B2023/008

6. 发明授权

EP2567060B1 SYSTEM AND METHOD FOR MAINTAINING POSITION OF A WELLBORE SERVICING DEVICE WITHIN A WELLBORE 失效
标题翻译：系统及方法孔的位置的一个洞维护单元保鲜
公开(公告)号：EP2567060B1
公开(公告)日：2016-04-20
申请号：EP11719361.5
申请日：2011-04-28
申请人： Halliburton Energy Services, Inc.
发明人： SURJAATMADJA, Jim, B.
IPC分类号： E21B4/18
CPC分类号： E21B4/18

7. 发明公开

EP2986817A1 DOWNHOLE TOOL CAPABLE OF WITHSTANDING HIGH TEMPERATURES 有权
标题翻译： BOHRWERKZEUG MITBESTÄNDIGKEITGEGEN HOHE TEMPERATUREN
公开(公告)号：EP2986817A1
公开(公告)日：2016-02-24
申请号：EP14718069.9
申请日：2014-04-16
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , NØRGAARD, Anders Just
IPC分类号： E21B43/12 , E21B4/04 , E21B4/18 , H02H9/04
CPC分类号： E21B41/0085 , E21B4/04 , E21B4/18 , H02H9/04 , H02H9/041 , H02H9/042
摘要： The present invention relates to a downhole tool for performing an operation in a well downhole, the tool being powered by direct current at a predetermined voltage in a first end by a power supply unit, comprising an electrical motor being powered by alternating current, a frequency converter arranged between the first end and the motor, and a voltage peak reduction unit adapted to reduce the voltage of the power supplied to the frequency converter from the power supply, the voltage peak reduction unit comprising a capacitor, wherein the capacitor is a high temperature capacitor having a dielectric comprising a material capable of resisting a temperature above 150°C. Furthermore, the present invention relates to a downhole tool string and to a method of protecting a frequency converter from peaks of voltage in power supplied to the frequency converter in a downhole tool according to the present invention.
摘要翻译：本发明涉及一种用于在井下进行操作的井下工具，该工具由电源单元在第一端以预定电压的直流供电，包括由电动机供电的电动机，频率转换器，其布置在所述第一端和所述电动机之间，以及电压峰值降低单元，其适于降低从所述电源提供给所述变频器的电力的电压，所述电压峰值降低单元包括电容器，其中所述电容器是高温具有电介质的电容器，包括能够耐受高于150℃的温度的材料。此外，本发明涉及一种井下工具串，以及一种在根据本发明的井下工具中保护变频器免受提供给变频器的功率峰值的方法。

8. 发明公开

EP2350420A4 ROCK DRILLING DEVICE 有权转让
标题翻译： GESTEINSBOHRVORRICHTUNG
公开(公告)号：EP2350420A4
公开(公告)日：2015-11-18
申请号：EP09758569
申请日：2009-05-29
申请人： NORHARD AS
发明人： HAUGHOM PER OLAV , HAUGHOM SIGURD KJELL
IPC分类号： E21B4/18 , E21B4/00 , E21B7/00 , E21B7/04 , E21B23/00
CPC分类号： E21B4/18 , E21D3/00
摘要： A device for a rock drilling machine (1) for drilling of boreholes (2) in rock, where the rock drilling machine (1) comprises a drilling portion (4) and a string portion (6) which by means of joinable pipes (20) are connected to a support device on the outside of the borehole (2), and where the string portion (6) is provided with an anchor (8) comprising at least one against the borehole (2) preloadable and relative to the string portion (6) axially displaceable support shoe (30).
摘要翻译：一种用于在岩石中钻孔（2）的钻岩机（1）的装置，其中岩石钻孔机（1）包括钻孔部分（4）和弦部分（6），其通过可连接管道（20））连接到钻孔（2）的外侧上的支撑装置，并且其中弦线部分（6）设置有锚（8），锚固件（8）包括至少一个抵靠钻孔（2），其可预加载并且相对于弦部分（6）可轴向移动的支撑靴（30）。

9. 发明公开

EP2847416A1 WELL TRACTOR 审中-公开
标题翻译： BOHRLOCHSCHLEPPER
公开(公告)号：EP2847416A1
公开(公告)日：2015-03-18
申请号：EP12878690.2
申请日：2012-06-14
申请人： Halliburton Energy Services, Inc.
发明人： LUDWIG, Wesley N.
IPC分类号： E21B19/08 , E21B19/22 , E21B19/24
CPC分类号： E21B23/14 , E21B4/006 , E21B4/18 , E21B2023/008
摘要： A method for operating a well tractor is presented. The method involves running a well tractor coupled to a wireline into a wellbore and supplying an amount of electric power to the well tractor to operate the well tractor at a first speed to urge the wireline through the wellbore at a first force. A variable gear ratio transmission of the well tractor is adjusted and an amount of electric power is supplied to the well tractor to operate the well tractor at a second speed different than the first speed to urge the wireline through the wellbore at a second force different than the first force based on adjusting the variable gear ratio transmission.
摘要翻译：本公开描述了井拖拉机的实施方式。在示例实施例中，井拖拉机包括壳体; 联接到壳体的辊; 耦合到所述辊的电动机; 以及耦合在所述电动机和所述辊之间的可变比率变速器，所述可变比变速器可操作以驱动所述辊。

10. 发明授权

EP2703596B1 Bohrvorrichtung und Verfahren zum Erstellen einer Bohrung 有权
标题翻译：用于创建一个孔钻探设备和方法
公开(公告)号：EP2703596B1
公开(公告)日：2015-02-18
申请号：EP12006182.5
申请日：2012-08-31
申请人： BAUER Maschinen GmbH
发明人： Finkenzeller, Stefan Michael , Klippenstein, Jürgen , Weixler, Leonhard
IPC分类号： E21B7/20 , E21B21/00 , E02D27/00 , E02D5/00 , E21B4/18
CPC分类号： E02D5/00 , E21B3/00 , E21B4/00 , E21B4/18 , E21B7/201 , E21B7/203 , E21B21/00

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