down hole tools installation 井下工具连接
In our country, the thermal recovery down-hole tools enter work field directly without intermediate test step which lead to hidden danger.
目前国内由于缺少中间的试验环节,热采井下工具在未经检验的情况下就直接进入现场,给油田生产带来安全隐患。
参考来源 - 热采分层注汽室内模拟试验系统的设计·2,447,543篇论文数据，部分数据来源于NoteExpress
A mechanical floating is used because of instrument, water quality and down hole tools that make in-correct result measured or instrument blocked down hole.
使用机械浮子井下流量计经常因仪器、水质、井下工具等问题，造成测试资料不准或因卡住仪器而修井。
It is the key problems faced by the petroleum industry how to improve the strength and wear resistance of down-hole drilling tools.
特别是如何进一步提高井下钻具的强度、耐磨性等是当前石油天然气工业所面临的一些关键技术问题。
With the development of oilfield and a great use of well-bore tools, such fishing technology will have a wide prospect applied to the more and more complex conditions of down-hole operations.
随着油田的深入开发，井筒工具的大量使用，井下作业越来越复杂，该项打捞技术具有广阔的应用前景。
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