Rotork electric actuators powered by solar panels on US gas production wells
已为美国的上游页岩气生产井提供了旋转式智能全转动电动执行器。
Rotork的IQTF执行器为扼流圈和控制阀应用设计，为石油和天然气或过程操作提供了可靠的流量控制，能够将精度达到0.3％，并分辨率为0.1％。高度准确的绝对位置传感器可以独立于电力测量22个输出转弯。
Rotork’s customer has ordered IQTF actuators to carry out modulating duties on wellhead rotary non-rising choke valves at the East Texas section of the Haynesville / Bossier shale gas formation, a Jurassic Period rock formation covering large parts of South West Arkansas, North West Louisiana and East Texas.
已经安装了大约60个致动器，以控制气体和冷凝水的流量和压力，当卢夫金市附近的地点，由于井钻的压力和温度降低时，形成液态烃的混合物。每个孔都安装了两个IQTF执行器。还命令30多个客户存入客户的库存。
All wells at the Haynesville formation are fully automated to maintain flow and well pressure. To maximise the lifespan of the wells, the customer uses two choke valves on each one to step pressure down from 10,000 psi to 1,200 psi. Shale gas is metered between the wellhead and midstream trunkline where it is transported to domestic supply customers as well as industries including LNG plants and power stations.
井的远程位置意味着使用太阳系和电池组的直流电源用于为IQTF执行器供电。该溶液被指定为比液压或气动驱动的更可靠的选择，因为它避免了液压致动器中常见的潜在泄漏。德克萨斯州也有足够的阳光可以用作来源，而电动执行器比液压系统使用的功率更少。
在一个单独的项目中，已订购了60多个IQTF执行器，在德克萨斯州南部的Eagle Ford Basin的一个新井站点，在那里他们将再次安装两个井。客户在Eagle Ford和Haynesville盆地的运营及其在二叠纪 - 德拉瓦盆地的石油和天然气资产都为该公司在德克萨斯州和路易斯安那州的每天生产190,000桶石油同等学历做出了贡献。
Rotork’s lightweight, compact IQTF actuator provides fast and accurate valve control and can perform up to 1,800 starts per hour, an important factor given the need for a tight well flow threshold to avoid over pressure in the main trunkline. If too much gas is extracted in a short period of time the reservoir can implode or cause ground fractures which water or gas can infiltrate and cause a loss in production. The involvement of Rotork Site Services (RSS), which offered final commission and warranty, and Rotork’s support during initial testing and calibrating was also key in the customer’s decision to choose the company’s products.
IQTF执行器可提供旋转，线性或上升的茎阀驱动输出到ISO / MSS标准。
寿命密封的内部润滑系统可确保安装在无人偏远站点的井上的执行器的可靠性。该系统使用的油在温度为-50至+70°C（-58至+158°F）的温度下进行，非常适合在德克萨斯州东德克萨斯州的环境中，温度很少低于最低点。
阅读有关Rotork的更多信息IQ3范围。