Pursell is a former petroleum engineer who has conducted well pressure tests.
珀塞尔以前是一位石油工程师，他曾管理过油井压力测试。
The switch can be opened or closed when the well pressure is lower or higher than the reservoir pressure respectively.
此开关能在井内压力小于油层压力时开启，大于油层压力时关闭。
Well control equipment include a set of special equipments, instruments and tools for implementation of the oil and gas well pressure control.
井控设备是实施油气井压力控制技术的一整套专用设备、仪表与工具。
While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.
国内欠平衡钻井普遍实施，要用到的旋转防喷器是关键设备，技术含量高。
Close the annular blowout preventer as the well pressure is relatively low and force oil pipes and couplings to pass through rubber core of the annular blowout preventer.
井压较低时，关闭环型防喷器，使油管和接箍强行通过环型防喷器胶芯。
The analysis of data for pressure at the well bottom shows that the well pressure acquired through calculation by using the water level and water temperature which are easily observed on ground has...
井下压力测试资料统计分析证明，利用在地表上容易观测到的水位、水温资料计算出的井下压力，达到了与下井仪器相同级别的工程测量精度。
The analysis of data for pressure at the well bottom shows that the well pressure acquired through calculation by using the water level and water temperature which are easily observed on ground has...
井下压力测试资料统计分析证明，利用在地表上容易观测到的水位、水温资料计算出的井下压力，达到了与下井仪器相同级别的工程测量精度。
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