deep lifting

基本解释

The article mainly introduced the issue of deep lifting of wells in both process optimizing design and R&D of facilitated tools, and analyzed the appliance effects.
主要从深抽工艺优化设计和深抽配套工具研制已方面介绍了油井深抽工艺的研究内容，分析了现场应用效果。
This kind of device could satisfy the require that deep well adopts combined tubing and supplies a new way for gas recovery by water drainage, and oil recovery with plunger lifting in deep well.
这种装置在结构上能够满足深井采用组合油管的要求，为深井柱塞排水采气与柱塞举升采油提供了一种新的思路。
The floating crane is an idea scheme used in the costruction of bridge within the deep water to fulfill the lifting and transport works in the construction site.
使用浮吊是深水大桥施工中，满足施工现场起重、运输工作的一种理想方案，可供借鉴。

Since these boats have keels that are 3 meters or more deep to counterbalance the power of the sails, some owners opt for expensive hydraulic lifting systems to raise their keels and sneak into Caribbean anchorages.
FORBES: Mine's Lighter