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公开(公告)号：US6134892A
公开(公告)日：2000-10-24
申请号：US243768
申请日：1999-02-03
CPC分类号： E21B36/003 , E21B47/011 , F25B21/02 , H01L35/00
摘要： A system for cooling electronic components in the downhole assembly of a drill string through which a drilling fluid flows. The cooling system includes a thermoelectric cooler that conducts heat from the electronic component to a first heat transfer surface of a thermal conductor. The heat received by the first heat transfer surface is transferred within the thermal conductor to a second heat transfer surface that then transfers the heat to a housing. The housing transfers the heat to the drilling fluid flowing over the housing. To ensure good conductive heat transfer between the electronic component, the thermoelectric cooler, the thermal conductor and the housing, and to absorb shock, vibration and differential thermal expansion, these components are supported on a spring mechanism that generates a force that biases the electronic component against the thermoelectric cooler, the thermoelectric cooler against the thermal conductor and the thermal conductor against the housing.
摘要翻译： 一种用于冷却钻井液体流过的钻柱的井下组件中的电子部件的系统。 冷却系统包括将热量从电子部件传导到热导体的第一传热表面的热电冷却器。 由第一传热表面接收的热量在热导体内转移到第二传热表面，然后将热传递到壳体。 壳体将热量传递到在壳体上流动的钻井液。 为了确保电子部件，热电冷却器，热导体和壳体之间的良好导电传热，并且吸收冲击，振动和差动热膨胀，这些部件被支撑在弹簧机构上，该弹簧机构产生偏置电子部件 相对于热电冷却器，热电冷却器抵靠热导体和抵靠壳体的导热体。
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公开(公告)号：US5931000A
公开(公告)日：1999-08-03
申请号：US64898
申请日：1998-04-23
CPC分类号： H01L35/00 , E21B36/003 , E21B47/011 , F25B21/02 , H05K7/20481
摘要： A system for cooling electronic components in the downhole assembly of a drill string through which a drilling fluid flows. The cooling system includes a thermoelectric cooler that conducts heat from the electronic component to a first heat transfer surface of a thermally conductive chassis. The heat received by the first heat transfer surface is transferred within the chassis to a second heat transfer surface that then transfers the heat to a housing. The housing transfers the heat to the drilling fluid flowing over the housing. To ensure good conductive heat transfer between the chassis and the housing, the chassis portions are urged outwardly toward the housing surface. A conformable thermal interface material preferably forms the chassis second heat transfer surface. The system may also includes a thermoelectric cooler mounted in a drill pipe portion of the downhole assembly that transfer heat from the an electronic component mounted in the drill pipe to the drill pipe, which then transfers the heat to the drilling fluid.
摘要翻译： 一种用于冷却钻井液体流过的钻柱的井下组件中的电子部件的系统。 冷却系统包括将热量从电子部件传导到导热底盘的第一传热表面的热电冷却器。 由第一传热表面接收的热量在底盘内转移到第二传热表面，然后将热量传递到壳体。 壳体将热量传递到在壳体上流动的钻井液。 为了确保底盘和壳体之间良好的传导热传递，底盘部分向外朝着壳体表面被推动。 适合的热界面材料优选地形成底盘第二传热表面。 该系统还可以包括安装在井下组件的钻管部分中的热电冷却器，其将安装在钻杆中的电子部件的热量传递到钻杆，然后该钻管将热传递到钻井液。
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公开(公告)号：US06123561A
公开(公告)日：2000-09-26
申请号：US115031
申请日：1998-07-14
IPC分类号： E21B17/02 , H01R13/523 , H01R24/58 , H01R4/60
CPC分类号： H01R13/523 , E21B17/028 , H01R24/58 , H01R2107/00
摘要： A coupling that makes electrical connections across a joint joining adjacent tubular members, such as drill pipe sections in a drill string. A male sleeve, made from an electrical insulating material, is attached to the male end of one pipe section. A number of axially spaced apart male contact members, such as ring segments or buttons, are formed on the outside surface of the male end. The male contact members are spring biased radially outward. Each of the male contact members is radially displaced from the axial centerline of the pipe section by a progressively increasing amount. A female sleeve, also made from an electrical insulating material, is attached to the female end of the other pipe section. A number of female contact members, such as ring segments or buttons, are formed on the inside surface of the female end. Each of the female contact members is radially displaced from the axial centerline of the pipe section by a progressively increasing amount. The axial spacing and radial displacements of the male and female contact members is such that when the pipe section are assembled by threading the male end into the female end, each male contact member makes electrical contact with its intended mating female contact member without ever having contacted any of the other female contact members. Deformable cleaning elements formed on one of the ends wipe clean the contact members formed on the other end as the joint is being assembled. The debris wiped clean is deposited in a groove located in front of the wiper.
摘要翻译： 联接器，其跨接在相邻管状构件（例如钻柱中的钻管段）的接头处的电连接。 由电绝缘材料制成的阳套筒连接到一个管段的阳端。 在阳端的外表面上形成多个轴向间隔开的阳接触构件，例如环形段或按钮。 阳接触构件被径向向外偏压地弹簧。 每个阳接触构件从管段的轴向中心线径向移位逐渐增加的量。 也由电绝缘材料制成的阴套筒连接到另一管段的阴端。 在阴端的内表面上形成有多个阴接触构件，例如环段或纽扣。 每个阴接触构件从管段的轴线中心线逐渐增加的量径向移位。 阳接触构件和阴接触构件的轴向间隔和径向位移使得当通过将阳端螺纹连接到阴端中来组装管段时，每个阳接触构件与其预期的配合阴接触构件电接触而无需接触 任何其他女性联系人。 形成在其中一个端部上的可变形清洁元件在组装接头时擦拭清洁形成在另一端上的接触构件。 擦拭干净的碎屑沉积在位于刮水器前面的凹槽中。
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