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1. 发明授权

US5398763A Wireline set baffle and method of setting thereof 失效
标题翻译：有线线路挡板及其设置方法
公开(公告)号：US5398763A
公开(公告)日：1995-03-21
申请号：US40789
申请日：1993-03-31
申请人： Brock W. Watson , James F. Pyecroft , David D. Brisco , Rick L. Middaugh , Paul W. Roden , Donald F. Hushbeck , J. Tad Bohlen , Ronald E. Savage
发明人： Brock W. Watson , James F. Pyecroft , David D. Brisco , Rick L. Middaugh , Paul W. Roden , Donald F. Hushbeck , J. Tad Bohlen , Ronald E. Savage
IPC分类号： E21B23/02
CPC分类号： E21B23/02
摘要： A wireline set baffle for positioning in a well casing after the well casing has already been placed in a wellbore. The apparatus comprises a baffle and a setting or running tool engaged with the baffle and adapted for positioning the baffle at a predetermined location in the wellbore. In one embodiment, a lock ring may be used to lock the baffle to the casing at a predetermined location, and in another embodiment, collet fingers on the baffle may be used to engage the casing. The lock ring may be initially held in a non-engaging position by a lock ring retainer or shear pins. The collet fingers may be initially held in a non-engaging position by a cover which is disengaged from the collet fingers by a blasting cap. Engagement may be with an inner surface of the casing or a recess defined at a casing joint. A method of using the wireline set baffle is also disclosed.
摘要翻译：在井套管已经放置在井眼中之后，用于在井套管中定位的有线设置挡板。该装置包括挡板和与挡板接合并适于将挡板定位在井眼中的预定位置处的设置或运行工具。在一个实施例中，可以使用锁定环将挡板在预定位置处锁定到壳体，并且在另一个实施例中，挡板上的夹头可以用于接合壳体。可以通过锁定环保持器或剪切销将锁定环初始地保持在非接合位置。夹头可以最初通过由喷嘴帽与夹头分离的盖子保持在非接合位置。接合可以是在壳体的内表面或限定在套管接头处的凹部。还公开了使用有线线路挡板的方法。

2. 发明授权

US5404956A Hydraulic setting tool and method of use 失效
标题翻译：液压固定工具及使用方法
公开(公告)号：US5404956A
公开(公告)日：1995-04-11
申请号：US58649
申请日：1993-05-07
申请人： J. Tad Bohlen , Ricky D. Jacobi , Donald R. Smith , Donald F. Hushbeck , Seth B. Thomas
发明人： J. Tad Bohlen , Ricky D. Jacobi , Donald R. Smith , Donald F. Hushbeck , Seth B. Thomas
IPC分类号： E21B23/06 , E21B33/129 , E21B33/1295 , E21B34/12
CPC分类号： E21B33/1294 , E21B23/06 , E21B33/1295
摘要： A hydraulic setting tool for setting a packer with a sliding valve therein in an operating position in a well bore. The setting tool comprises an outer housing portion slidably disposed with respect to an inner mandrel portion. A piston is connected to the outer housing portion and slidable with respect to the inner portion. The piston is responsive to tubing pressure for setting the packer. A locking dog is provided for locking said piston against further movement after setting of the packer. An actuating mandrel forms a part of the inner mandrel portion and is adapted for engaging a valve in the packer. Longitudinal movement of the tool string allows selective opening and closing of the valve in the packer.
摘要翻译：一种用于在井眼中的操作位置将具有滑动阀的封隔器设置在其中的液压固定工具。设置工具包括相对于内心轴部分可滑动地设置的外壳体部分。活塞连接到外壳部分并且可相对于内部部分滑动。活塞响应管道压力来设置封隔器。提供锁定爪，用于在设置封隔器之后锁定所述活塞以防止进一步移动。致动心轴形成内心轴部分的一部分并且适于接合封隔器中的阀。工具串的纵向运动允许选择性地打开和关闭封隔器中的阀。

3. 发明授权

US5343954A Apparatus and method of anchoring and releasing from a packer 失效
标题翻译：从封隔器固定和释放的装置和方法
公开(公告)号：US5343954A
公开(公告)日：1994-09-06
申请号：US971185
申请日：1992-11-03
申请人： J. Tad Bohlen , Donald R. Smith , Kevin T. Berscheidt
发明人： J. Tad Bohlen , Donald R. Smith , Kevin T. Berscheidt
IPC分类号： E21B23/06 , E21B33/129 , E21B23/00
CPC分类号： E21B33/1293 , E21B23/06
摘要： An apparatus and method of anchoring a work string to a packer set in a wellbore and releasing therefrom. The apparatus includes a stinger, a collet slidably disposed on the stinger and having a plurality of collet fingers adapted for engaging the packer, a shear ring member shearably attached to the stringer and adapted for holding the collet fingers into engagement with the packer. The packer may be normally released by applying torque to the work string such that the collet fingers are unthreaded from the packer. Torque is applied from the stinger to the collet fingers by a load ring attached to the stinger and having splines extending between the collet fingers so that torque may be applied to the collet without applying torque to the shear ring member. In the event that rotation is not possible, tension applied to the work string and the stinger will cause the shear ring member to be shearably released from the stinger so that the collet fingers may be pulled longitudinally and thereby disengaged from the packer. A method of use of the apparatus is also disclosed.
摘要翻译：将工作串固定在井筒中的封隔器上并将其释放的装置和方法。该装置包括一个托管架，一个可滑动地设置在托管架上并具有适于接合封隔器的多个夹头的夹头，一个剪切环构件，可剪切地连接到纵梁上，并适于夹紧夹头与封隔器接合。打包机通常可以通过向工作串施加扭矩来松开，使得夹头从封隔器上脱开。通过安装在托管架上的负载环将锭子施加到夹头上，并且具有在夹头之间延伸的花键，使得可以在不向剪切环构件施加扭矩的情况下将扭矩施加到夹头。在无法旋转的情况下，施加到工作线和托管架上的张力将导致剪切环构件从托管架上被可剪切地释放，使得夹头可以被纵向拉伸，从而与封隔器脱离接合。还公开了该装置的使用方法。

4. 发明授权

US5722812A Abrasion resistant centrifugal pump 失效
标题翻译：耐磨离心泵
公开(公告)号：US5722812A
公开(公告)日：1998-03-03
申请号：US785715
申请日：1997-01-17
申请人： Dick L. Knox , J. Tad Bohlen
发明人： Dick L. Knox , J. Tad Bohlen
IPC分类号： F04D1/06 , F04D29/04 , F04D29/041 , F04D29/44 , F04D29/66
CPC分类号： F04D29/0413 , F04D1/06 , F05B2240/52 , Y10S415/901
摘要： A centrifugal well pump has modules of pumping stages, each module having a separate thrust bearing. The thrust bearing for each module is supported by an uppermost diffuser of the module. A thrust runner rotates with the shaft and engages the stationary thrust bearing. A tension member engages the runner and extends downward through the stages. The tension member has a number of upward facing load shoulders, one for each impeller within the module. Each of the load shoulders supports the hub of one of the impellers. Downthrust on each impeller transfers through the load shoulder to the tension member, and from there to the thrust runner.
摘要翻译：离心井泵具有泵送级的模块，每个模块具有单独的止推轴承。每个模块的推力轴承由模块的最上面的扩散器支撑。推力滑轮与轴一起旋转并接合固定推力轴承。张紧构件接合流道并向下延伸穿过阶段。张紧构件具有多个向上的负载肩部，一个用于模块内的每个叶轮。每个负载肩部支撑其中一个叶轮的轮毂。每个叶轮上的推力通过负载肩部传递到张力构件，并从那里到推力滑轮。

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