公开(公告)号：US4789271A

公开(公告)日：1988-12-06

申请号：US79313

申请日：1987-07-29

申请人： Bob L. Sullaway ,  Lloyd C. Knox ,  Gary D. Zunkel

发明人： Bob L. Sullaway ,  Lloyd C. Knox ,  Gary D. Zunkel

IPC分类号： E02B17/00 ,  E02D27/52 ,  E02D29/00

CPC分类号： E02D27/52 ,  E02B17/0008

摘要： A simple, easily manipulated remote fluid transfer system comprising a pump, grout pipe string, a manipulation device, guide sleeve, and a remote video display device.

摘要翻译： 一种简单，容易操作的远程流体传输系统，包括泵，灌浆管柱，操纵装置，导向套筒和远程视频显示装置。

公开(公告)号：US4691779A

公开(公告)日：1987-09-08

申请号：US820289

申请日：1986-01-17

申请人： Michael E. McMahan ,  Daniel A. Newman ,  Donald W. Winslow ,  Gary D. Zunkel

发明人： Michael E. McMahan ,  Daniel A. Newman ,  Donald W. Winslow ,  Gary D. Zunkel

IPC分类号： E21B34/00 ,  E21B34/10 ,  E21B49/00 ,  E21B34/08

CPC分类号： E21B49/001 ,  E21B34/108 ,  E21B2034/002

摘要： An annulus pressure responsive downhole tool includes a housing with an operating element disposed in the housing. The operating element is movable from a first element position to a second element position relative to the housing. A hydrostatic well annulus pressure referenced annulus pressure responsive first power piston is disposed in the housing and movable from a first to a second position thereof relative to the housing in response to an increase in well annulus pressure. A lower than hydrostatic well annulus pressure referenced annulus pressure responsive second power piston is disposed in the housing and is operatively associated with the operating element for permitting the operating element to move from its first element position to its second element position in response to movement of the second power piston from a first position to a second position thereof relative to the housing. A prevention device is operatively associated with the first and second power pistons for preventing the second power piston from moving to its second position until the first power piston has moved at least part way towards its second position.

摘要翻译： 环形压力响应井下工具包括具有设置在壳体中的操作元件的壳体。 操作元件可相对于壳体从第一元件位置移动到第二元件位置。 响应于井环面压力的增加，基于环空压力响应的第一动力活塞的静水井环面压力被布置在壳体中并且可相对于壳体从第一位置到第二位置移动。 低于静压井环面压力的参考环空压力响应的第二动力活塞设置在壳体中并且与操作元件可操作地相关联，以便响应于运动元件的移动而使操作元件从其第一元件位置移动到其第二元件位置 第二动力活塞相对于壳体从第一位置到第二位置。 防止装置可操作地与第一和第二动力活塞相关联，用于防止第二动力活塞移动到其第二位置，直到第一动力活塞至少部分地朝向其第二位置移动。

公开(公告)号：US4903765A

公开(公告)日：1990-02-27

申请号：US294323

申请日：1989-01-06

申请人： Gary D. Zunkel

发明人： Gary D. Zunkel

IPC分类号： E21B49/08

CPC分类号： E21B49/082

摘要： A delayed opening fluid sampling tool comprises a body having three chambers and a port defined therein. The tool also comprises a metering device which is disposed in the body between two of the chambers, one of which chambers is for holding a metering fluid and the other of which is for receiving fluid which is transferred through the metering device. The tool further comprises a valve which is disposed in the body between the port and the remaining chamber, which remaining chamber is for receiving a well fluid sample. The valve is moved relative to the body in response to pressure acting on the valve through the port. Only after a predetermined time delay after the pressure begins moving the valve is the valve positioned to communicate the port with the sample-receiving chamber.

公开(公告)号：US4567944A

公开(公告)日：1986-02-04

申请号：US578730

申请日：1984-02-09

申请人： Gary D. Zunkel ,  Samuel W. Cantrell

发明人： Gary D. Zunkel ,  Samuel W. Cantrell

IPC分类号： E21B33/124 ,  E21B33/1295

CPC分类号： E21B33/124 ,  E21B33/12955

摘要： An improved retrievable compression set straddle packer assembly for use in oil and gas wells. The straddle packer assembly comprises an upper hydraulic slip assembly, an upper packer assembly, a bypass assembly, a lower packer assembly, a lower mechanical slip assembly and lower drag block assembly.

摘要翻译： 一种用于油气井的改进的可回收压缩设置跨越式封隔器组件。 跨越式封隔器组件包括上部液压滑动组件，上部封隔器组件，旁路组件，下部封隔器组件，下部机械滑动组件和下部阻力组件。

公开(公告)号：US4877086A

公开(公告)日：1989-10-31

申请号：US247122

申请日：1988-09-20

申请人： Gary D. Zunkel

发明人： Gary D. Zunkel

IPC分类号： E21B33/124

CPC分类号： E21B33/1246

摘要： A pressure limiter for use with a positive displacement pump and an inflatable packer. The pressure limiter includes an outer housing with an inner mandrel disposed therein. Slidably disposed between the mandrel and housing is a generally annular piston. A spring biases the piston toward a closed position. Packer pressure acts upwardly on the piston tending to move it to an open position in which pump discharge pressure is relieved to a well annulus. A check valve prevents premature relief of pressure of the packer. Once the piston is in an open position, packer pressure will maintain it in the open position until pressure is relieved from the packer.

公开(公告)号：US4664188A

公开(公告)日：1987-05-12

申请号：US827993

申请日：1986-02-07

申请人： Gary D. Zunkel ,  Lee W. Stepp ,  Michael L. Bolin

发明人： Gary D. Zunkel ,  Lee W. Stepp ,  Michael L. Bolin

IPC分类号： E21B23/06 ,  E21B33/129 ,  E21B33/1295 ,  E21B43/04 ,  E21B33/128

CPC分类号： E21B33/1294 ,  E21B23/06 ,  E21B33/1295 ,  E21B43/04

摘要： A retrievable well packer includes a packer mandrel with an expandable packing element disposed about the mandrel. Upper and lower shoes are received about the mandrel above and below the expandable packing element for compressibly engaging the packing element. A slip assembly is received about the mandrel for anchoring the packer within the well bore. Upper and lower wedges are received about the mandrel above and below the slip assembly for wedging the slip assembly radially outward upon longitudinal compression of the packing element. The mandrel is nonrotatably connected to each of the upper and lower shoes and upper and lower wedges for preventing rotation of those components relative to the mandrel in the event the packer must be milled out of a well bore. The mandrel is initially releasably longitudinally locked relative to the lower wedge by a releasing collet attached to a lower end of the mandrel and having radially outward extending lugs received within a groove of the lower wedge. A releasing sleeve is initially releasably held in a lower position to hold the lugs of the releasing collet in the groove of the lower wedge.

摘要翻译： 可回收井封隔器包括封隔器心轴，其具有围绕心轴设置的可膨胀衬垫元件。 上部和下部的鞋被围绕可膨胀的包装元件上方和下方的心轴接收，用于可压缩地接合包装元件。 围绕心轴接纳滑动组件，用于将打包器锚定在井眼内。 上部和下部楔形件围绕滑动组件的上方和下方容纳在心轴上，用于在包装元件的纵向压缩时径向向外楔入滑动组件。 心轴不可旋转地连接到上鞋和下鞋和上楔和下楔中的每一个，用于在封隔器必须从井眼中铣削的情况下防止这些部件相对于心轴旋转。 心轴通过附接到心轴的下端的释放夹头而初始地可释放地纵向锁定，并具有容纳在下楔形物的凹槽内的径向向外延伸的凸耳。 释放套筒首先被可释放地保持在较低位置，以将释放夹头的凸耳保持在下楔形物的槽中。

公开(公告)号：US4635716A

公开(公告)日：1987-01-13

申请号：US756886

申请日：1985-07-19

申请人： Gary D. Zunkel

发明人： Gary D. Zunkel

IPC分类号： E21B33/129 ,  E21B43/04

CPC分类号： E21B33/1294 ,  E21B33/1292 ,  E21B43/045

摘要： The present invention comprises a weight-set single-zone gravel packer which may be retrieved from a gravel screen after gravel packing or, alternatively, left in place attached to the screen as a production packer. The gravel packer includes a compression-set packer element, a first J-slot assembly to releasably maintain the gravel packer in an unset mode, a ratchet assembly to releasably lock the gravel packer in a set mode, an intake passage to receive fluid from a tubing string, a return passage to receive fluid from the interior of a gravel screen below the gravel packer, a closeable crossover assembly to receive fluid from the return passage to the wellbore annulus above the gravel packer, a first check valve to prevent flow down to the gravel screen through the return passage, a second check valve adapted to selectively connect the intake passage with the gravel packer, and a second J-slot assembly for selectively disconnecting the tubing string from the gravel packer.

摘要翻译： 本发明包括一种重量设定的单区域砾石封隔器，其可以在砾石填充之后从砾石筛网取回，或者替代地作为生产封隔器留在屏幕上。 砾石封隔器包括压缩封隔器元件，可释放地将砾石封隔器保持在未设定模式的第一J形槽组件，以可释放方式将砾石封隔器锁定在设定模式的棘轮组件，用于接收来自 油管柱，用于从砾石封隔器下方的砾石筛网的内部接收流体的返回通道，用于将流体从回流通道接收到砾石封隔器上方的井筒环的可闭合的交叉组件，第一止回阀，以防止流向 通过返回通道的砾石筛网，适于选择性地将进气通道与砾石封隔器连接的第二止回阀和用于选择性地将油管柱与砾石封隔器分离的第二J型槽组件。

公开(公告)号：US6012521A

公开(公告)日：2000-01-11

申请号：US21025

申请日：1998-02-09

申请人： Gary D. Zunkel ,  Thomas T. Hansen

发明人： Gary D. Zunkel ,  Thomas T. Hansen

IPC分类号： B09C1/00 ,  E21B28/00 ,  E21B43/00 ,  E21B43/25

CPC分类号： B09C1/00 ,  E21B28/00 ,  E21B43/003

摘要： A pressure wave generator for use down a bore hole having fluid therein adjacent a hydrocarbon-containing formation. The generator includes an elastomeric member sized for disposition in the bore hole. A periodic compressive force is exerted on the elastomeric member in a first direction so as to cause the elastomeric member to expand in a second direction and thus produce pressure waves in the fluid to increase the effective permeability of the hydrocarbon-containing formation. A method for using the generator is provided.

摘要翻译： 一种压力波发生器，用于沿其中具有流体的钻孔向下使用，邻近含烃地层。 发生器包括尺寸适于布置在钻孔中的弹性构件。 周期性的压缩力在第一方向上施加在弹性体构件上，以便使弹性构件在第二方向上膨胀，从而在流体中产生压力波，以增加含烃地层的有效渗透率。 提供一种使用该发生器的方法。

公开(公告)号：US4726419A

公开(公告)日：1988-02-23

申请号：US86237

申请日：1987-08-14

申请人： Gary D. Zunkel

发明人： Gary D. Zunkel

IPC分类号： E21B23/06 ,  E21B33/129 ,  E21B33/1295 ,  E21B43/04

CPC分类号： E21B23/06 ,  E21B33/1294 ,  E21B33/1295 ,  E21B43/04

摘要： A setting device for a gravel packing system includes a housing having a slurry supply passage, a fluid return passage and a gravel packing port disposed therein. A weight responsive return valve is operatively associated with the housing for communicating an upper portion of the return passage with a well annulus exterior of the housing in response to reciprocation of a work string to which the setting device is attached. A hydraulic setting piston is operatively associated with the housing for setting a liner hanger of the gravel packing system in response to a first increase in fluid pressure within the supply passage of the housing. A hydraulically actuated supply valve is operatively associated with the housing for communicating the gravel packing port with the supply passage in response to a second increase in fluid pressure in the supply passage. The supply valve includes a sliding supply valve sleeve having an open central passageway extending therethrough open at both the lower and upper end of the sleeve. A check valve is disposed in a lower portion of the housing below the supply valve for permitting flow return fluid upward therethrough and for preventing downward flow therethrough. The gravel packing system includes a liner hanger releasably connected to the setting device, and a liner valve connected to a lower end of the liner hanger.

摘要翻译： 用于砾石充填系统的设置装置包括具有浆料供给通道，流体返回通道和设置在其中的砾石填充口的壳体。 重量响应回流阀可操作地与壳体相关联，用于响应于安装设备所附接的工作串的往复运动，将返回通道的上部与壳体的井环外部连通。 液压定位活塞与壳体可操作地相关联，用于响应于壳体的供给通道内的流体压力的第一次增加而设置砾石填充系统的衬管悬挂器。 液压致动的供给阀与壳体可操作地相关联，用于响应于供应通道中的流体压力的第二次增加而将砾石填充口与供应通道连通。 供给阀包括滑动供给阀套筒，该套筒具有在套筒的下端和上端两端延伸穿过的敞开的中心通道。 止回阀设置在供应阀下方的壳体的下部，用于允许向上流动的流体返回流体并防止向下流动。 砾石包装系统包括可释放地连接到调节装置的衬垫悬挂器和连接到衬管悬挂器的下端的衬管阀。

公开(公告)号：US4638859A

公开(公告)日：1987-01-27

申请号：US757040

申请日：1985-07-19

申请人： Gary D. Zunkel ,  Michael L. Bolin

发明人： Gary D. Zunkel ,  Michael L. Bolin

IPC分类号： E21B33/129 ,  E21B43/04

CPC分类号： E21B33/1294 ,  E21B33/1292 ,  E21B43/045

摘要： The present invention comprises a retrievable gravel packer for circulation and squeeze type gravel packing. The gravel packer includes a compression-set packer element, a J-slot assembly to releasably maintain the gravel packer in an unset mode, a ratchet assembly to releasably lock the gravel packer in a set mode, an intake passage to receive fluid from a tubing string, a return passage to receive fluid from a gravel screen below the gravel packer, a circulation passage extending from the exterior of the gravel packer to intake passage, a closeable crossover assembly to receive fluid from the return passage; a first check valve to prevent back flow back to the intake passage from the interior of the interior of a gravel screen therebelow, a second check valve adapted to selectively open the intake passage to the circulation passage, and a check valve release for removing said second check valve means from the junction of the intake and circulation passages.

摘要翻译： 本发明包括可回收的砾石封隔器，用于循环和挤压式砾石填充。 砾石封隔器包括压缩封隔器元件，J型槽组件，以可释放地将砾石封隔器保持在未设定模式，棘爪组件可释放地将砾石封隔器锁定在设定模式，进气通道以从管道接收流体 用于从砾石封隔器下方的砾石筛网接收流体的返回通道，从砾石封隔器的外部延伸到进气通道的循环通道，用于从回流通道接收流体的可闭合的交叉组件; 第一止回阀，其防止从其下方的砾石筛内部的内部回流回入口通道，适于选择性地将进气通道打开到循环通道的第二止回阀，以及用于去除所述第二止回阀的止回阀释放 止回阀意味着从进气和循环通道的连接点。