DATA TRANSMISSION DURING DRILLING
    41.
    发明公开
    DATA TRANSMISSION DURING DRILLING 审中-公开
    DATENÜBERTRAGUNGWÄHRENDDES BOHRENS

    公开(公告)号:EP3155220A1

    公开(公告)日:2017-04-19

    申请号:EP15793368.0

    申请日:2015-04-28

    IPC分类号: E21B47/12 E21B10/00 E21B12/00

    CPC分类号: E21B47/12 E21B47/16

    摘要: A technique facilitates efficient data transfer during a drilling operation. The drilling operation involves deploying a drill string downhole and rotating a drill bit to cut a borehole into a subterranean formation. While the drill bit is on bottom, real-time sensor data is transmitted to a surface location or other suitable location via a data transmission system. The transmission of current or real-time sensor data is stopped when the drill bit is moved off bottom. While the drill bit is off bottom, previously recorded data is sent uphole.

    摘要翻译: 一种技术有助于在钻井操作期间有效的数据传输。 钻井操作涉及在井下部署钻柱并旋转钻头以将钻孔切割成地下地层。 当钻头位于底部时,实时传感器数据通过数据传输系统传输到表面位置或其他合适的位置。 当钻头从底部移开时,停止当前或实时传感器数据的传输。 钻头底部时,先前记录的数据被发送到井上。

    WELL TOOLS HAVING ENERGIZED SEALS
    43.
    发明公开
    WELL TOOLS HAVING ENERGIZED SEALS 有权
    预应力密封良好工具

    公开(公告)号:EP2877669A4

    公开(公告)日:2016-05-04

    申请号:EP12886068

    申请日:2012-10-01

    摘要: A sealing system can include an annular seal comprising a resilient material, and a spring which applies a compressive force to the seal as a resilience of the material diminishes, the spring being external to the seal. A sealing method can include installing a seal in a well tool, the seal being compressed radially as a result of the installing, and a spring external to the seal exerting a compressive force on the seal. A well tool can include a seal radially compressed between seal surfaces of the well tool, due to the seal having a greater radial dimension as compared to a radial distance between the seal surfaces, and a spring which exerts a compressive force on the seal, the spring being external to the seal.

    HYBRID BATTERY FOR HIGH TEMPERATURE APPLICATION
    44.
    发明公开
    HYBRID BATTERY FOR HIGH TEMPERATURE APPLICATION 有权
    混合动物FÜRHOCHTEMPERATURANWENDUNG

    公开(公告)号:EP3011126A1

    公开(公告)日:2016-04-27

    申请号:EP14813947.0

    申请日:2014-06-12

    发明人: KRUSPE, Thomas

    IPC分类号: E21B12/00 E21B47/01

    摘要: An apparatus for supplying power at the surface and in a wellbore may include a downhole tool conveyed into the wellbore and a battery bank conveyed by the downhole tool. The battery bank may include a plurality of battery cells, wherein at least two cells of the plurality of battery cells have substantially different power responses to a change in an ambient temperature at the downhole tool.

    摘要翻译: 用于在表面和井筒中供电的装置可以包括输送到井筒中的井下工具和由井下工具输送的电池组。 电池组可以包括多个电池单元,其中多个电池单元中的至少两个电池对井下工具的环境温度的变化具有显着不同的功率响应。

    DOWNHOLE FUEL CELL WITH STEAM ADSORPTION AND PRESSURE COMPENSATION
    45.
    发明公开
    DOWNHOLE FUEL CELL WITH STEAM ADSORPTION AND PRESSURE COMPENSATION 有权
    BOHRLOCHBRENNSTOFFZELLE MIT DAMPFADSORPTION UND DRUCKKOMPENSATION

    公开(公告)号:EP3011125A1

    公开(公告)日:2016-04-27

    申请号:EP14813438.0

    申请日:2014-06-12

    IPC分类号: E21B12/00 H01M8/00 E21B47/01

    摘要: A fuel cell for use in downhole applications stores steam created by the chemical reaction in a desiccant like Zeolite. The fuel cell also uses ambient hydrostatic pressure to increase cell voltage and power-density.

    摘要翻译: 用于井下应用的燃料电池将通过化学反应产生的蒸汽存储在像Zeolite这样的干燥剂中。 燃料电池还使用环境静水压力来增加电池电压和功率密度。

    ELECTRICAL POWER STORAGE FOR DOWNHOLE TOOLS
    46.
    发明公开
    ELECTRICAL POWER STORAGE FOR DOWNHOLE TOOLS 审中-公开
    电力储存的井具

    公开(公告)号:EP2994593A1

    公开(公告)日:2016-03-16

    申请号:EP14830274.8

    申请日:2014-07-08

    IPC分类号: E21B4/04 E21B12/00

    CPC分类号: E21B41/0085 E21B34/066

    摘要: A method of activating a downhole tool can include configuring the tool having an electrical power source, an electrical load, control circuitry which controls the electrical load, and a switch which selectively permits current flow between the power source and the circuitry, and generating electricity, thereby causing the switch to permit current flow between the power source and the circuitry. A downhole tool can include an electrical power source, an electrical load, control circuitry, a switch which selectively permits current flow between the power source and the circuitry, and a generator. Another method can include displacing a fluid and/or an object at the tool, generating electricity in response to the displacing, permitting current flow between an electrical power source and a control circuitry in response to the generating and, after the permitting and in response to detection of a predetermined signal, the circuitry causing activation of an electrical load.

    WELL TOOLS HAVING ENERGIZED SEALS
    47.
    发明公开
    WELL TOOLS HAVING ENERGIZED SEALS 有权
    预应力密封良好工具

    公开(公告)号:EP2877669A1

    公开(公告)日:2015-06-03

    申请号:EP12886068.1

    申请日:2012-10-01

    IPC分类号: E21B12/00 F16J15/34 E21B33/12

    摘要: A sealing system can include an annular seal comprising a resilient material, and a spring which applies a compressive force to the seal as a resilience of the material diminishes, the spring being external to the seal. A sealing method can include installing a seal in a well tool, the seal being compressed radially as a result of the installing, and a spring external to the seal exerting a compressive force on the seal. A well tool can include a seal radially compressed between seal surfaces of the well tool, due to the seal having a greater radial dimension as compared to a radial distance between the seal surfaces, and a spring which exerts a compressive force on the seal, the spring being external to the seal.

    METHOD AND SEPARATION CONDUIT FOR HANDLING LUBRICANT MIST, AND ROCK DRILLING RIG
    49.
    发明公开
    METHOD AND SEPARATION CONDUIT FOR HANDLING LUBRICANT MIST, AND ROCK DRILLING RIG 审中-公开
    方法和分割线,用于处理润滑剂油雾和GESTEINSBOHRGESTELL

    公开(公告)号:EP2262973A1

    公开(公告)日:2010-12-22

    申请号:EP09719295.9

    申请日:2009-03-09

    IPC分类号: E21B12/00 B25D17/26

    CPC分类号: F16N7/30

    摘要: The invention relates to a method for handling lubricant mist used in mist lubrication, a separation conduit and, further, a rock drilling rig having a mist lubrication system provided with a separation conduit. The return flow of the lubrication mist is conveyed in the separation conduit (27) from the lubrication target to a collection container (13). The separation conduit is an elongated conduit having an elongated separation member (28) arranged therein, the separation member comprising a plural number of successive and inclined barrier surfaces (33). Lubricant droplets (P) contained in the lubricant mist hit the barrier surfaces and accumulate thereon. The separated lubricant is collected into the collection container at the outermost end of the separation conduit.