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- downhole dynadrill 孔底螺杆钻
- Design of downhole oil-water separation system with ESP. 电潜泵井下油水分离系统方案设计。
- SY1 series downhole pressure gauge is made of spring tube. SY1型系列井下压力计，是一种弹簧管式井下压力计。
- A downhole tool that uses acid to cut stuck pipe in a well. 用酸切割井内被卡管子的一种井下工具。
- Design of downhole oil-water separation system and double fluid flow pump. 井下油水分离系统及往复式双液流泵设计。
- Development of downhole drill motor and problems with its application. 井下动力钻具的发展及其在推广应用中的问题。
- But the improving effect and benefit of downhole operation have not formed yet. 但系统地提高井下作业效果与效益的管理思路尚未形成。
- Applicafion of the Low-Frequency Electrical Pulse Oil Production Technology in the Downhole. 井下低频电脉冲采油技术的应用。
- Wireline logs are taken downhole, transmitted through a wireline to surface and recorded there. 电缆测井在井下进行,通过电缆将相应信息传输到地面并进行记录。
- Analysis of vibration of bottomhole assembly with downhole hydrodynamic propulsor. 带井下液力推进器的钻具组合振动分析。
- Each panel of this well log represents different types of measurements taken by downhole tools. 图表的每一板块均代表井下工具所做的不同类型的测量。
- Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate. 井下液力推进器的应用在一定程度上解决了钻压的施加问题，有利于提高钻进速度。
- Most downhole power drills for horizontal drilling are constituted basically by positive displacement drills. 绝大多数的水平井井下动力钻具是以螺杆钻具为基础构成的。
- Visual and clear downhole images obtained with BTV unit provide enough downhole information for operator. 利用井下视像系统进行井筒检测可获得直观、清晰的井下图像 ,提供给远程操作者以明确的井下状况和足够的信息。
- Experimental research of split ratio determination of downhole gravitational oil-water separation. 重力式井下油水分离确定分流比的实验研究
- The PR1 downhole pressure gauge is a new type of mechanical pressure gauge with spring tube. PR1型井下压力计是近来设计出来的新型弹簧管式机械井下压力计。
- In kill operation, it is required to keep the downhole pressure stable and the well bore pressure balanced. 在压井过程中,要求井底压力能够保持不变,并使井眼系统的压力保持平衡关系。
- Downhole failures often take place in certain salt wells in some concession and have certain impact on production. 某矿区某些盐井井下故障较为频繁,对生产造成了一定的影响。
- Downhole plug removal equipment of directional well by rotatory jetting is researched. 根据模拟试验结果,设计了装置的结构参数。
- These techniques are used successfully in S24,W2 and Z4 well of Sichuan gas field to remove the downhole accidents. 运用这些技术成功地在四川气田S24井、W2井、Z4井进行了侧钻实践，解除了这些井的井下事故。
