采用CYBS系列动筒式防砂卡抽油泵，在文南油田不同井况的4口井中进行了防砂卡抽泥浆工艺的生产试验。
CYBS series anti sand travelling barrel rod pumps were used on 4 Wells in Wennan Oilfield to test their performance of sand control and slush pumping.
针对化学防砂在长井段多油层的油水井防砂时缺少可靠的胶筒密封和卡瓦锚定的分层防砂工具的问题，研制了水力密闭式分层化学防砂工具。
There is a lack of dependable layered sand control tools that are rubber sealed and clamp anchored in chemical sand control of oil and water wells with long intervals and multiple layers.
在某些情况下，可将永久式压力计安装在作为完井部件的压力计托筒内。
In some cases, permanent gauges may be installed in recorder carriers run as completion components.
捞砂筒为一个5英尺圆筒，它在大气压力下被下入井内。
The bailer is a 5-ft cylinder that is lowered into the well under atmospheric pressure.
地下安装需设发射井，安装收发球筒及装卸清管器均不方便，现已不采用。
As silo is required and it is not convenient for receiver and launcher installation and pig disassembly, underground installation is not adopted now.
文中介绍了膨胀式长胶筒封隔器的结构、工作原理及用于钻井、完井的应用情况。
This paper describes its structure, working mechanism, and field using in drilling and completion.
与回接筒配套用于回接尾管的一种专用固井工具。
The tie-back assembly is a special cementing tool for tieback operation.
卡瓦打捞筒作为钻修井打捞工具，主要用于钻完井作业打捞落物的外捞工具。
Slip socket, the fisher of drilling and repairing well, is mostly used as the outer fisher to fish the drop during the drilling and completion.
对生产井机械封堵工艺技术的研究重点，是加快对耐高温胶筒的选优，满足现场生产需求。
The key of the research on mechanical plugging technology for production Wells is the optimization of high-temperature seal so as to satisfy the need of field production.
筒形可调节流阀主要用于节流压井管汇，控制井内流体套压用。
Tube of shape Can transfer throttle chief be used for Choke and Kill Maniflod , Control oil gas wellhead In fluid pressure use.
筒形可调节流阀主要用于节流压井管汇，控制井内流体套压用。
Tube of shape Can transfer throttle chief be used for Choke and Kill Maniflod , Control oil gas wellhead In fluid pressure use.
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