mandrel socket

用法例句

Development and application of bailing oil in cased well for pressure testing & open oil extraction technique;

套管捞油测压和开式试采技术及应用

For the need of exploration and development of Daqing oilfield, a set of bailing oil in case for pressure test and oil extraction tech that suits for wells of being dad percolation condition, high cost of crude oil has been developed.

针对大庆油田勘探开发需要,对于孔渗条件差、吨油成本高的井,研制了套管捞油测压试采技术。

This paper presents the sand fishing by tubing carrier and steel line carrier, respectively, which can effectively remove the deposited sand at the bottom of the well and will not bring pollution to the reservoir as well as th.

本文介绍了油管捞砂和绳索捞砂,该捞砂技术能有效清除井底沉砂,不产生储层污染和地面污染,省时高效,得到了现场验证,建议在煤层气井推广应用。

overshot tubing seal divider

打捞筒油管密封分压器

Development and Application of Basket Barrel Overshot of Breakage Oil Pipe in Water-Oil Well

油水井井下破损油管打捞筒研制与应用

Super-high pressured dynamic sealing design for a kind of stretch and draw back typed oil-well pipeline robot

一种伸缩式油井管道机器人超高压动密封设计

The Flaw Characteristic Analyse of Abrasive-liquid Device Sealed Sheath of High Pressure Water Jet System

高压水射流切割系统流化器密封套筒的裂纹特性分析

oil pressure test for tightness

油密试验油压密封试验

The mixture of hydrogenated oils is pumped into the closed system and the fat solidifies on small refrigerated cylinders.

把混合的氢化油抽压进密封式系统，油脂便在小的冷冻滚筒上结晶。

Study on Rubber Sealing Performance of Valve Guide Bush for Diesel Engine

增压柴油机气门导管橡胶密封性研究

Research on Omni-sealed Treatment System of UHV A.C.Transformer Oil

交流特高压变压器油全密封处理系统研究

Trouble analysis and improvements on bellow mechanical seal of cracking heater charge pump on high temperture

高温减压渣油泵波纹管机械密封的失效分析与国产化改造

This article make a anylysis of the damage cause of sealing element.

分析了液压油缸密封件损坏的原因。

slip socket bowl

卡瓦打捞筒的锥形座

circulating overshot

可循环泥浆的打捞筒

overshot with bow

带碗形卡瓦的打捞 筒

Structure Analysis of a New End Closure for Pressure Vessels;

新型高压容器顶盖密封结构分析研究

oil pressure test for strength and tightness

强度和密封性油压试验油压及强度密封试验

plugging device

油管堵塞器和工作筒

packer setting control line

封隔器坐封液压控制管

The Analysis and Improvement on High-pressure Spherical Seal Failure of Aircraft Fuel System

飞机燃油系统高压球面密封的故障分析与改进