公开(公告)号：US07280432B2

公开(公告)日：2007-10-09

申请号：US11270243

申请日：2005-11-09

申请人： Detlef Hahn ,  Volker Peters ,  Cedric Rouatbi ,  Heiko Eggers

发明人： Detlef Hahn ,  Volker Peters ,  Cedric Rouatbi ,  Heiko Eggers

IPC分类号： H04H9/00

CPC分类号： E21B47/182 ,  E21B47/18 ,  G01V11/002

摘要： An oscillating shear valve system for generating pressure fluctuations in a flowing drilling fluid comprising a stationary stator and an oscillating rotor, both with axial flow passages. The rotor oscillates in close proximity to the stator, at least partially blocking the flow through the stator and generating oscillating pressure pulses. The rotor passes through two zero speed positions during each cycle, facilitating rapid changes in signal phase, frequency, and/or amplitude facilitating enhanced, multivalent data encoding. The rotor is driven by a motorized gear drive. In one embodiment, a torsional spring is attached to the motor and the resulting spring mass system is designed to be near resonance at the desired pulse frequency. The system enables the use of multivalent encoding schemes for increasing data rates.

摘要翻译： 一种用于在流动的钻井流体中产生压力波动的摆动剪切阀系统，其包括具有轴向流动通道的固定定子和振荡转子。 转子在定子附近振动，至少部分地阻塞通过定子的流动并产生振荡压力脉冲。 转子在每个循环中通过两个零速度位置，促进信号相位，频率和/或振幅的快速变化，促进增强的多值数据编码。 转子由电动齿轮传动驱动。 在一个实施例中，扭转弹簧连接到电动机，并且所得到的弹簧质量系统被设计为在期望的脉冲频率处接近谐振。 该系统能够使用多值编码方案来提高数据速率。

公开(公告)号：US07250873B2

公开(公告)日：2007-07-31

申请号：US10422440

申请日：2003-04-24

申请人： Detlef Hahn ,  Volker Peters ,  Cedric Rouatbi ,  Heiko Eggers

发明人： Detlef Hahn ,  Volker Peters ,  Cedric Rouatbi ,  Heiko Eggers

IPC分类号： G01V3/00

CPC分类号： E21B47/182 ,  E21B47/18 ,  G01V11/002

摘要： A mud pulse telemetry system comprises a surface located fluid supply line having a drilling fluid flowing therein. A non-venting pulser is disposed in the drilling fluid in the supply line, and the non-venting pulser is adapted to generate pressure fluctuations in the flowing drilling fluid. A downhole receiver in hydraulic communication with the non-venting pulser is adapted to detect the pressure fluctuations in the drilling fluid. A method for transmitting pressure signals from a surface location to a downhole location in a wellbore, comprises disposing a non-venting pulser in a surface located fluid supply line having a drilling fluid flowing therein. The non-venting pulser is actuated to generate pressure fluctuations in the flowing drilling fluid according to a predetermined encoding scheme. The pressure fluctuations are detected with a downhole receiver in hydraulic communication with the non-venting pulser.

摘要翻译： 泥浆脉冲遥测系统包括具有在其中流动的钻井流体的表面定位的流体供应管线。 非排气脉动器设置在供应管线中的钻井流体中，并且非排气脉动器适于在流动的钻井流体中产生压力波动。 与非排气脉动器液压连通的井下接收器适于检测钻井液中的压力波动。 一种用于将压力信号从井表面位置传送到井眼中的井下位置的方法，包括将非排气脉动器布置在具有在其中流动的钻井流体的位于流体供应管线的表面中。 根据预定的编码方案，启动非排气脉动器以在流动的钻井液中产生压力波动。 在与非排气脉动器液压连通的井下接收器中检测压力波动。

公开(公告)号：US06186597B1

公开(公告)日：2001-02-13

申请号：US09236972

申请日：1999-01-26

申请人： Detlef Hahn ,  Peter Wollenhaupt ,  Ernst Heiderich ,  Georg Marker ,  Peter Richter ,  Wolfgang Wald ,  Reinhold Walter

发明人： Detlef Hahn ,  Peter Wollenhaupt ,  Ernst Heiderich ,  Georg Marker ,  Peter Richter ,  Wolfgang Wald ,  Reinhold Walter

IPC分类号： E21C3518

CPC分类号： E21C35/19 ,  E21C35/18 ,  E21C35/1936 ,  E21C2035/1826

摘要： In the plough pick arrangement according to the invention for mining ploughs or coal ploughs, the plough pick is held in the socket of a pick holder. On that side of the pick holder which is leading in the working direction of the plough pick a pick lead-through opening is provided through which the pick can be inserted by its shank until it reaches a rear stop and is retained by a securing device. The pick can be removed from the socket through the same opening, after the securing device has been released, when pick replacement is necessary. This makes it possible to insert the pick into and remove it from the pick holder, not from the working side, but from the front of the holder. The pick holder and the pick are preferably provided with co-operating bearing and guiding faces which are inclined at an oblique angle to a plane parallel with the working face so that the cutting bit of the pick moves away from the working face when the pick is removed.

摘要翻译： 在根据本发明的用于采矿犁或煤犁的犁耙装置中，犁耙被保持在拣选架的插座中。 在犁镐工作方向上引导的拾取器保持器的一侧设置有拾取引导通孔，拾取头可以通过其被插入，直到其到达后挡块并被固定装置保持。 在固定装置被释放后，当需要更换换针时，可以通过相同的开口将插座从插座中取出。 这使得可以将拾取器插入拾取器固定器中，而不是从工作侧将其从夹具的前部移除。 拾取保持器和拾取器优选地设置有与平行于工作面的平面倾斜的配合轴承和引导面，使得拾取器的切割位置在工作面移动时远离工作面 删除。

公开(公告)号：US5287955A

公开(公告)日：1994-02-22

申请号：US929277

申请日：1992-08-13

申请人： Bernd Steinkuhl ,  Detlef Hahn

发明人： Bernd Steinkuhl ,  Detlef Hahn

IPC分类号： B65G19/28

CPC分类号： B65G19/287

摘要： The pans of a scraper-chain conveyor are interconnected with a dog-bone type connector which fits into laterally open shaped pockets in the side walls of the pans. A projection on one of the ends of the connector engages in a recess closed off from the side access while a projection at the opposite end of the connector is locked in place with a swivelled-in locking plate. The plate fits into compartments in the side wall of the associated pan. The plate carries a resilient pin at one end which fits into recesses in one of the compartments while the opposite end of the plate has a tongue which snaps into a recess in the base of the opposite compartment.

摘要翻译： 刮板链式输送机的平底锅与狗骨型连接器相互连接，该连接器适合于平底锅的侧壁中的侧向开放形状的凹穴。 连接器的一个端部上的突出部接合在从侧面接近部分封闭的凹部中，同时连接器的相对端部处的突起通过旋转的锁定板锁定就位。 板适合相关锅的侧壁中的隔室。 该板在一端承载弹性销，该弹性销配合到其中一个隔室中的凹槽中，而该板的相对端具有卡扣入相对隔室底部的凹部中的舌部。