-
公开(公告)号：EP1618277A1
公开(公告)日：2006-01-25
申请号：EP04729456.6
申请日：2004-04-26
申请人： ANDERGAUGE LIMITED
发明人： EDDISON, Alan Martyn , ADAM, Mark
IPC分类号： E21B10/32
CPC分类号： E21B10/322 , E21B10/32
摘要： A downhole tool (10) comprises a body (14), radially extendable members (16) mounted to the body and movable between retracted and extended positions, a cam member (32) operatively associated with the extendable members and movable relative to the body to extend the extendable members, and a support member (30) configurable to permit retraction of the extendable members (16) from an extended position. The tool may be an under-reamer, and the extendable members may be cutting blades (16).
-
公开(公告)号：EP1354120A1
公开(公告)日：2003-10-22
申请号：EP02710111.2
申请日：2002-01-23
申请人： ANDERGAUGE LIMITED
发明人： EDDISON, Alan Martyn
CPC分类号： E21B7/062
摘要： Directional drilling apparatus having a non-rotating mass rotatably mounted on a mandrel and with a centre-of-gravity spaced form the mandrel axis. An offsetting arrangement is coupled to the mass, and has an outer profile defining an offset relative to the mandrel axis, and a bearing portion rotatably mounted on the offsetting portion. The apparatus is run on a string, and the offsetting portion is oriented relative to the mass. When the string is rotated the mass tends towards an orientation with its centre-of-gravity positioned towards the low side of the bore and tends to maintain the offsetting portion in a desired relative orientation.
摘要翻译： 定向钻孔设备具有可旋转地安装在心轴上并且重心与心轴轴线间隔开的非旋转质量。 偏置装置联接到质量块，并具有限定相对于心轴轴线的偏移的外轮廓和可旋转地安装在偏移部分上的轴承部分。 该设备在弦上运行，并且偏移部分相对于质量定向。 当弦线旋转时，质量趋向于其重心朝向孔的下侧定位并且倾向于将偏移部分保持在期望的相对取向。
-
公开(公告)号：EP1315882A1
公开(公告)日：2003-06-04
申请号：EP01963233.0
申请日：2001-09-04
申请人： ANDERGAUGE LIMITED
发明人： EDDISON, Alan Martyn
IPC分类号： E21B31/00
CPC分类号： E21B31/005
摘要： A method of freeing stuck objects (16) from a bore (14) comprises running a string (12) into the bore (14), the string (12) including a flow modifier (22), such as a valve, for producing variations in the flow of fluid through the string, and a device (26) for location in the string and adapted to axially extend or contract in response to variations in the flow of fluid through the string. A portion of the string (12) engages the stuck object (16). Fluid is then passed through the string while applying tension to the string, whereby the tension applied to the stuck object varies in response to the operation of the flow modifier and the extending or retracting device.
-
公开(公告)号：EP0904478A1
公开(公告)日：1999-03-31
申请号：EP97926112.0
申请日：1997-06-13
申请人： ANDERGAUGE LIMITED
CPC分类号： E21B7/062 , E21B17/1014
摘要： Directional drilling apparatus (26) for location on a drill string (20) comprises a stabiliser (32) having a mandrel (38) for connection to the drill string (20) and an eccentric non-rotating element (46) mounted on the mandrel (38) for offsetting the string (20) in the bore (22) and a non-rotating offset mass (34) for maintaining the element (46) at a selected orientation relative to the bore (22) as the drill string (20) rotates.
摘要翻译： 用于定位在钻柱（20）上的定向钻井设备（26）包括具有用于连接到钻柱（20）的心轴（38）的稳定器（32）和安装在心轴上的偏心的非旋转元件（46） （20）在钻孔（22）中的偏移的钻柱（38）以及用于当钻柱（20）保持在相对于钻孔（22）的选定方向上的元件（46）的非旋转偏移质量（34） ）旋转。
-
公开(公告)号：EP2038504A1
公开(公告)日：2009-03-25
申请号：EP07733494.4
申请日：2007-07-06
申请人： ANDERGAUGE LIMITED
CPC分类号： E21B21/103 , E21B4/02 , E21B17/18 , E21B31/005
摘要： A fluid actuated downhole tool for inducing movement of a downhole apparatus is described. The tool comprises a body for coupling to downhole apparatus, the body being adapted to accommodate flow of fluid therethrough and including a flow-modifying arrangement for modifying the flow of fluid through the body. The flow-modifying arrangement is configurable in an inactive configuration and in an active configuration. The fluid activated tool is selectively operated from the surface by varying an operating condition which causes the flow through the tool to either bypass or flow through the flow-modifying arrangement to induce movement of the downhole apparatus.
-
公开(公告)号：EP1415064B1
公开(公告)日：2008-04-09
申请号：EP02730474.0
申请日：2002-06-05
申请人： ANDERGAUGE LIMITED
摘要： Drilling apparatus comprises a cutting structure defined by a percussive action cutte (42) and at least one other cutter. The percussive action cutter is adapted to be urged in a drilling direct ion by hydraulic pressure force, while the other cutter (43) is urged in a drilling direction by mechanical force.
摘要翻译： 钻探设备包括由冲击动作切割部（42）和至少一个其他切割器限定的切割结构。 冲击动作切割器适于通过液压力在钻凿直接离子中被推动，而另一切割器（43）通过机械力沿着钻凿方向被推动。
-
公开(公告)号：EP1368552A1
公开(公告)日：2003-12-10
申请号：EP02718275.7
申请日：2002-03-15
申请人： ANDERGAUGE LIMITED
发明人： EDDISON, Alan Martyn
CPC分类号： E21B23/006 , E21B21/103 , E21B34/10
摘要： A hydraulic tool assembly for a downhole tool comprises a body (12), first and second members (14, 16) mounted for independent movement with respect to the body, and first and second control fluid chambers (24, 26) associated with the respective first and second members. Movement of the first member (14) between a first position and a second position in response to an applied force displaces control fluid from the first chamber (24) into the second chamber (26), to move the second member from a first position towards a second position to execute a tool function.
-
公开(公告)号：EP0409446A1
公开(公告)日：1991-01-23
申请号：EP90307273.4
申请日：1990-07-03
申请人： ANDERGAUGE LIMITED
IPC分类号： E21B23/08
CPC分类号： E21B41/00 , E21B10/322 , E21B17/07 , E21B17/1014 , E21B23/04 , E21B47/091
摘要： A tool actuator which comprises a casing (8) containing a pipe (1), which is movable from a locking position to an unlocking position, under the action of a fluid pumped through the casing. When the pipe is in the locking position it locks a mandrel (4) in an activating or deactivating position. When the pipe is in the unlocking position it does not contact the mandrel which is therefore free to move between the activating and a deactivating positions. The fluid pressure will be different for each of the positions of the pipe and mandrel and consequently their position can be monitored by monitoring the pressure of the fluid, for a given fluid flow rate.
摘要翻译： 一种工具致动器，其包括在泵送通过壳体的流体的作用下容纳管（1）的壳体（8），其可从锁定位置移动到解锁位置。 当管子处于锁定位置时，它将心轴（4）锁定在激活或停用位置。 当管道处于解锁位置时，其不接触心轴，因此心轴在活动位置和停用位置之间自由移动。 对于管和心轴的每个位置，流体压力将是不同的，因此，对于给定的流体流速，可以通过监测流体的压力来监测其位置。
-
公开(公告)号：EP1682746A1
公开(公告)日：2006-07-26
申请号：EP04791579.8
申请日：2004-10-25
申请人： ANDERGAUGE LIMITED
CPC分类号： E21B31/113 , E21B28/00 , E21B31/005
摘要： A method of running a bore-lining tubing string into a bore includes running a tubing string, typically a liner string, into a bore while agitating the string. The agitation of the string reduces the friction between the string and the bore wall and thus facilitates the translation of the string into the bore. The agitation may also take place while the tubing is being cemented in the bore. Pressure pulses may be applied to fluid in the bore, which fluid may be cement slurry.
-
公开(公告)号：EP1131532B1
公开(公告)日：2005-01-12
申请号：EP99972711.8
申请日：1999-11-19
申请人： Andergauge Limited
发明人： EDDISON, Alan Martyn
CPC分类号： E21B10/322 , E21B10/32 , E21B17/1014
摘要： A downhole tool (10) for mounting on a drill string comprises: a mandrel (16); a body (18) axially movably mounted on the mandrel; and radially extendable members, such as stabiliser blades or cutters (30), mounted in the body and being operatively associated with the mandrel such that relative axial movement of the mandrel and body induces radial movement of the members. Application of axial tension to the tool produces axial movement of the body relative to the mandrel, tending to retract the members from an extended configuration. The mandrel may be arranged to draw the members inwardly to permit positive retraction of the members from an extended configuration. Further, the body may define a channel (32) and the mandrel and the members include an arrangement (38, 39, 40, 42) for maintaining a desired orientation of the members relative to the body channel.
-
-
-
-
-
-
-
-
-
搜索结果
27 条记录 (耗时 0.011 秒)
