公开(公告)号：US06799635B2

公开(公告)日：2004-10-05

申请号：US10217380

申请日：2002-08-13

申请人： Roger L. Schultz ,  Syed Hamid ,  Harold Kent Beck

发明人： Roger L. Schultz ,  Syed Hamid ,  Harold Kent Beck

IPC分类号： E21B3314

CPC分类号： E21B33/146 ,  E21B43/103

摘要： Methods of expanding well tools, which permit operation of the well tools after expansion, are provided. In a described example, a cementing tool includes a valve and a packer. After the cementing tool is expanded, the valve is selectively opened and closed, and the packer is sealingly engaged in a wellbore.

摘要翻译： 提供了扩展井工具的方法，允许扩展后的井具的操作。 在所述实施例中，固井工具包括阀和封隔器。 在固井工具膨胀之后，选择性地打开和关闭阀，并且封隔器密封地接合在井筒中。

公开(公告)号：US06755079B1

公开(公告)日：2004-06-29

申请号：US09536840

申请日：2000-03-27

申请人： Mark A. Proett ,  Michael T. Pelletier ,  Wei Han ,  Bruce H. Storm, Jr. ,  Roger L. Schultz ,  Thomas E. Ritter

发明人： Mark A. Proett ,  Michael T. Pelletier ,  Wei Han ,  Bruce H. Storm, Jr. ,  Roger L. Schultz ,  Thomas E. Ritter

IPC分类号： G01N1104

CPC分类号： E21B47/06 ,  E21B47/00 ,  E21B49/08 ,  E21B2049/085 ,  G01N11/08

摘要： A downhole tool and method for determining the viscosity of a reservoir fluid, the tool including a passage having entry, intermediate and exit regions, in which the reservoir fluid flowing through the passage will have a lower Reynolds number in the intermediate region as compared to the entry region, the tool also including differential pressure gauge for measuring the differential pressure across the intermediate region, and either a velocity controller or fluid velocity meter, for either setting or measuring the fluid velocity.

摘要翻译： 一种用于确定储存器流体粘度的井下工具和方法，该工具包括具有入口，中间和出口区域的通道，在该通道中流过通道的储存流体在中间区域将具有较低的雷诺数， 入口区域，该工具还包括用于测量跨越中间区域的压差的差压计，以及用于设定或测量流体速度的速度控制器或流体速度计。

公开(公告)号：US06695061B2

公开(公告)日：2004-02-24

申请号：US10083818

申请日：2002-02-27

申请人： Michael L. Fripp ,  Neal G. Skinner ,  Roger L. Schultz

发明人： Michael L. Fripp ,  Neal G. Skinner ,  Roger L. Schultz

IPC分类号： E21B3406

CPC分类号： E21B34/06 ,  E21B23/04 ,  E21B23/065

摘要： An actuator uses a gas absorptive material to produce displacement of a member of the actuator. In a described embodiment, an actuator includes a metal hydride powder. When the powder absorbs hydrogen gas, it expands and displaces a piston. When the powder discharges hydrogen gas, the powder contracts, displacing the piston in an opposite direction. Various methods of controlling gas absorption and discharge are provided.

摘要翻译： 致动器使用气体吸收材料来产生致动器的构件的位移。 在所述实施例中，致动器包括金属氢化物粉末。 当粉末吸收氢气时，它膨胀并移动活塞。 当粉末排出氢气时，粉末收缩，使活塞朝相反方向移动。 提供了控制气体吸收和放电的各种方法。

公开(公告)号：US06644404B2

公开(公告)日：2003-11-11

申请号：US09981703

申请日：2001-10-17

申请人： Roger L. Schultz ,  Robert K. Michael ,  Syed Hamid

发明人： Roger L. Schultz ,  Robert K. Michael ,  Syed Hamid

IPC分类号： E21B4304

CPC分类号： E21B43/04 ,  E21B34/063 ,  E21B34/14 ,  E21B43/08

摘要： A method of progressively gravel packing is provided which enables individual sections of a continuous wellbore portion to be gravel packed in succession. In a described embodiment, multiple well screens are positioned in a wellbore. A continuous portion of the wellbore is isolated using, for example, one or more packers, with the well screens being disposed in the isolated portion. The isolated wellbore portion is then progressively gravel packed in successive individual predetermined sections of the isolated wellbore portion.

摘要翻译： 提供了一种逐渐砾石填充的方法，其使连续井筒部分的各个部分连续地被砾石填充。 在所描述的实施例中，多个井眼屏幕位于井眼中。 使用例如一个或多个封隔器将井眼的连续部分分离，其中井眼布置在隔离部分中。 然后将分离的井眼部分逐渐地填充在分离的井筒部分的连续的各个预定部分中。

公开(公告)号：US06598481B1

公开(公告)日：2003-07-29

申请号：US09538536

申请日：2000-03-30

申请人： Roger L. Schultz

发明人： Roger L. Schultz

IPC分类号： G01L1100

CPC分类号： E21B47/06 ,  G01L9/0022 ,  G01L19/0092

摘要： Disclosed are improved pressure transducer apparatus and methods of sensing and measuring pressure, or pressure and temperature, in a subterranean environment. The transducer apparatus and methods use a piezoelectric crystal transducer with at least one internal chamber therein and electrical output terminals on the exterior of the body. One or more piezoelectric crystal sensor located in the body and associated microelectronics located in the body connect to output terminals for producing an electrical signal responsive to pressure, temperature, or temperature and pressure.

摘要翻译： 公开了改进的压力传感器装置和在地下环境中感测和测量压力或压力和温度的方法。 换能器装置和方法使用其中具有至少一个内部腔室的压电晶体换能器和在身体外部的电输出端子。 位于主体中的一个或多个压电晶体传感器和位于主体中的相关联的微电子器件连接到输出端子，用于响应于压力，温度或温度和压力产生电信号。

公开(公告)号：US6073698A

公开(公告)日：2000-06-13

申请号：US370450

申请日：1999-08-10

申请人： Roger L. Schultz ,  Kent Beck

发明人： Roger L. Schultz ,  Kent Beck

IPC分类号： E21B34/00 ,  E21B34/06 ,  E21B34/10 ,  E23B34/10 ,  E23B49/08

CPC分类号： E21B34/108 ,  E21B34/063 ,  E21B2034/002

摘要： A downhole choke and associated methods provide enhanced efficiency and accuracy in well sampling and testing operations due to its capability for substantially minimizing the amount of time needed to establish steady state flow conditions in a well, and the ability to sample fluids downhole at varying downhole flow restrictions. In a described embodiment, a downhole choke is operable to restrict fluid flow therethrough by applying a predetermined fluid pressure to an annulus formed between the choke and the wellbore. The downhole choke has an axial flow passage formed therethrough, a portion of which has interchangeable flow areas. The flow areas are interchanged upon application of the predetermined fluid pressure, and again interchanged upon expiration of a time delay. One of the flow areas permits substantially unrestricted fluid flow therethrough, and another of the flow areas permits restricted flow therethrough.

摘要翻译： 井下扼流圈和相关方法由于其能够大幅度地最小化在井中建立稳态流动条件所需的时间量以及在不同井下流动下在井下采样的能力的能力，从而提高了井采样和测试操作的效率和精度。 限制 在所描述的实施例中，井下扼流圈可操作以通过对形成在扼流圈和井眼之间的环形空间施加预定流体压力来限制流体流动。 井下扼流器具有穿过其形成的轴向流动通道，其一部分具有可互换的流动区域。 流动区域在施加预定流体压力时互换，并且在时间延迟期满时再次互换。 一个流动区域允许基本上不受限制的流体流过其中，另一个流动区域允许限制流过其中。

公开(公告)号：US5887652A

公开(公告)日：1999-03-30

申请号：US906188

申请日：1997-08-04

申请人： Harold K. Beck ,  Roger L. Schultz

发明人： Harold K. Beck ,  Roger L. Schultz

IPC分类号： E21B49/08 ,  E21B49/00

CPC分类号： E21B49/081

摘要： Apparatus and method for testing an open-hole well and obtaining a fluid sample therefrom. The apparatus comprises a compression packer on a drill pipe. Disposed in the drill pipe is a housing, defining a surge chamber therein, and a closure valve in communication with the surge chamber. A fluid sampler is in communication with the surge chamber. In operation, the packer is placed in a set position by setting down weight. The closure valve is pressure actuated so that fluid is flowed from a formation or zone of interest into the surge chamber and then into the sampler. By opening a housing valve at an upper end of the surge chamber, formation fluid may be forced back into the formation or zone of interest by a bull-heading operation. In a preferred embodiment, the packer and drill pipe are disconnectable from the remainder of the apparatus, and the packer is drillable.

摘要翻译： 用于测试露天井并从其获得流体样品的装置和方法。 该设备包括在钻杆上的压缩式封隔器。 设置在钻杆中的是在其中限定缓冲室的壳体和与缓冲室连通的关闭阀。 流体采样器与缓冲室连通。 在操作中，通过减轻重量将封隔器放置在设定位置。 关闭阀被压力致动，使得流体从感兴趣的地层或区域流入缓冲室，然后进入采样器。 通过在缓冲室的上端打开壳体阀，可以通过公牛运行将地层流体强制回到地层或区域中。 在优选实施例中，封隔器和钻杆可与装置的其余部分断开，并且封隔器是可钻的。

公开(公告)号：US5826662A

公开(公告)日：1998-10-27

申请号：US792744

申请日：1997-02-03

申请人： Harold K. Beck ,  Paul D. Ringgenberg ,  Roger L. Schultz ,  Rodney R. Setliff

发明人： Harold K. Beck ,  Paul D. Ringgenberg ,  Roger L. Schultz ,  Rodney R. Setliff

IPC分类号： E21B33/124 ,  E21B34/12 ,  E21B49/08 ,  E21B33/12

CPC分类号： E21B49/081 ,  E21B33/124 ,  E21B34/125

摘要： Method and apparatus for testing and sampling open-hole oil and gas wells. The apparatus includes a packer, a surge chamber, a closure valve which may be opened to flow fluid into the surge chamber, and a sampler. The surge chamber may be one of a pair of surge chambers, and the closure valve may be one of a pair of closure valves so that two surges may be carried out prior to obtaining a fluid sample in the sampler. In operation, the packer is placed in a set position by setting down weight. The closure valves are also actuated when weight is set down. The first closure valve has a first predetermined time delay before opening so that the packer may be set, and the second closure valve has a second predetermined time delay so that the packer may be set and the first closure valve opened before a fluid sample is captured. By opening a vent tool at an upper end of the uppermost surge chamber, formation fluid may be forced back into the formation or zone of interest by a bull-heading operation. In a preferred embodiment, portions of the apparatus are detachable in the event of sticking of the apparatus in the well. In the method of the two-surge test, a clean fluid sample for capturing in the sampler is provided. All of the steps are carried out without flowing fluid to the surface.

摘要翻译： 井眼油气井测试和取样方法和装置。 该装置包括封隔器，缓冲室，可打开以将流体流入缓冲室的闭合阀以及采样器。 缓冲室可以是一对缓冲室中的一个，并且闭合阀可以是一对闭合阀中的一个，使得在获取采样器中的流体样品之前可以执行两个浪涌。 在操作中，通过减轻重量将封隔器放置在设定位置。 当重量下降时，关闭阀也被启动。 第一关闭阀在打开之前具有第一预定的时间延迟，使得封隔器可以被设定，并且第二闭合阀具有第二预定时间延迟，使得封隔器可以被设定，并且在流体样品被捕获之前第一闭合阀打开 。 通过在最上面的缓冲室的上端打开排气工具，地层流体可以通过公牛运行而被迫回到地层或区域中。 在优选实施例中，在设备在井中粘附的情况下，装置的部分可拆卸。 在双浪试验的方法中，提供了用于在采样器中捕获的清洁的流体样品。 所有的步骤都是在没有流体流动到表面的情况下进行的。

公开(公告)号：US5368100A

公开(公告)日：1994-11-29

申请号：US028680

申请日：1993-03-10

申请人： David Lewandowski ,  Roger L. Schultz

发明人： David Lewandowski ,  Roger L. Schultz

IPC分类号： E21B19/22 ,  E21B34/10 ,  E21B49/08 ,  F21B49/08

CPC分类号： E21B19/22 ,  E21B34/108 ,  E21B49/081

摘要： A coiled tubing conveyed sampling apparatus includes an actuator housing having a housing interior and having a proximal housing end including a connector for connecting the housing to a coiled tubing string so that a tubing bore of the coiled tubing string is communicated with the housing interior. A one-way check valve is disposed in the housing interior and allows well fluid from the well bore to fill the tubing bore of the coiled tubing string as the sampling apparatus is run into the well. The check valve isolates the tubing bore of the coiled tubing string from the well when pressure in the tubing bore exceeds pressure in the well. A sampling tool is attached to a lower end of the actuator housing. A pressure responsive actuator is disposed in the housing interior and actuates the sampling tool in response to pressure in the tubing bore of the coiled tubing string exceeding pressure in the well by a first predetermined value so that a well fluid sample is drawn into the sampling tool and trapped in the sampling tool. The apparatus is especially useful in taking samples from horizontal portions of highly deviated wells.

摘要翻译： 连续油管输送取样装置包括具有壳体内部并具有近端壳体端部的致动器壳体，该近端壳体端部包括用于将壳体连接到连续油管柱的连接器，使得连续油管柱的管孔与壳体内部连通。 单向止回阀设置在壳体内部，并且当采样装置进入井中时允许来自井眼的良好流体填充连续油管柱的管孔。 当油管孔中的压力超过井中的压力时，止回阀将连续油管柱的油管孔与井隔离。 采样工具连接到致动器壳体的下端。 压力响应致动器设置在壳体内部，并且响应于连续油管柱的管孔中的压力超过井中的压力而使采样工具致动第一预定值，使得良好流体样品被吸入采样工具 并被困在采样工具中。 该设备特别适用于从偏斜井的水平部分取样。

公开(公告)号：US5273113A

公开(公告)日：1993-12-28

申请号：US992400

申请日：1992-12-18

申请人： Roger L. Schultz

发明人： Roger L. Schultz

IPC分类号： E21B34/16 ,  E21B34/08

CPC分类号： E21B34/16

摘要： A system is provided for remotely controlling a downhole tool in a well. A plurality of substantially identical command signals are transmitted into the well. Each of the command signals is received at the downhole tool by a controller having information stored therein identifying an operative command signal signature associated with that tool. Upon comparing each command signal to the stored information and confirming that the command signal contains the operative command signal signature associated with that tool, a control signal is generated by the controller for each confirmed command signal. An operating element of the downhole tool is advanced one position in a repeating series of operational positions in response to each successive control signal generated by the controller.

摘要翻译： 提供了用于远程控制井中井下工具的系统。 多个基本相同的命令信号被传送到井中。 每个命令信号由井下工具由存储有信息的控制器接收，其中识别与该工具相关联的操作命令信号签名。 在将每个命令信号与所存储的信息进行比较并确认命令信号包含与该工具相关联的操作命令信号签名时，由控制器为每个确认的命令信号生成控制信号。 响应于由控制器产生的每个连续的控制信号，井下工具的操作元件在重复的一系列操作位置中前进一个位置。