原文：
           斯伦贝谢油田服务公司宣布已经在墨西哥湾的密西西比峡谷522区10000 ft以下的井下安装了三个地面控制的井下安全阀。这种型号为TRC-DH的安全阀是一种降低了操作压力的阀门，可以安装在10000ft以上的井下。闸阀这种可用油管收回的阀可以通过两个活塞控制系统提供相同的操作。这两个活塞控制系统单独与控制管线相连，与常规阀门的设计相比，在液体压力低得多的环境下仍可使阀门操作充分完成。通过蝶阀电脑程序预测阀在特殊应用下的工作压力，然后在工厂中进行适当的整体充气，球阀以便使完井设备同井内环境相匹配。阀的工作压力高达15000psi，而且可以保证不变的开关特性。

         它们还可以与智能完井控制管线的软件结合使用。阀门通常情况下是关闭的。通过从地面控制面板开始的，穿过井口到达安全阀的管线来施加液压，打开阀门。活塞杆向下运动产生液压，止回阀挤压动力弹簧，打开阀门。这种双控制线路不仅可以同时使用也可以单独使用，而不会影响阀门开启和关闭的压力。开启和关闭的压力是管线压力中的独立部分，截止阀必须并只用克服动力弹簧的力就可以操作阀门。当液压释放后，关闭阀的能量来自每个活塞系统的动力弹簧和单独的气动弹簧。因为上方有流管，所以阀瓣扭转弹簧可以使阀瓣移动到流动液体中，以实现在井中的关闭。

“ Controlled subsurface safety valve in the ground knowledge of Introduction ”是由中国安全阀网提供的国际阀门新闻，译文仅供参考。另外，中国安全阀网还提供相关产品搜索： 杠杆式安全阀、 微启式安全阀、 全启式安全阀、 封闭式安全阀、 高压安全阀等。

译文：
             Schlumberger Oilfield Services announced that it has in the Gulf of Mexico's Mississippi Canyon 522 area 10000 ft below the underground installation of three ground-controlled subsurface safety valve. This model TRC-DH safety valve is a reduced operating pressure of the valve can be installed underground at the 10000ft above. This tubing can be used Check Valvesto recover the valve piston control system can provide the same two operations. The two separate piston control system connected with the control line, compared with conventional valve designs, a much lower pressureBellows Seal Valves in the fluid environment of the valve operation can be completed fully. Predicted by computer programs in special application valves work under pressure, and then plant the appropriate overall inflation, so that completion equipment to match with Plug Valvesthe well environment. Valve working pressure up to 15000psi, but also to ensure constant switching characteristics. They can also control the pipeline and intelligent completion of software used in combination. Valve normally is closed. Through the control panelButterfly Valves started from the ground, reach the safety valve of the pipeline through the wellhead to exert hydraulic pressure to open the valve. Movement down the hydraulic piston rod, extrusion power spring, open the valve. This dual control lines can be used not only alone, but will not affectSafety Valves the pressure valve opened and closed. Opening and closing pressure is the pressure in the independent part of the pipeline to be used only to overcome the power spring and the force can operate the valve. When the hydraulic release, close the valve of energy from each power spring piston system and a separate pneumatic spring. Because the flow above the pipe, so the valve flap valve flap torsion spring can move to the flow of liquid to achieve the closure of the wells.

原文来源：http://www.1anquanfa.com/

2010-08-23 07:26

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