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1·The reaming drill bit in slim hole is a key tools of re-drilling in existing well.

小井眼扩孔钻头是老井重钻的关键设备。

2·Heavy torque and abrasion on casing are serious problems in drilling in slim hole.

高钻柱扭矩和套管过度磨损是小井眼钻井中存在的严重问题。

3·How to improve the quality of slim hole cementing is a difficult problem of perplexing well drilling.

如何提高小井眼固井质量是困扰钻井行业多年的老问题。

4·There are the bigger differences between slim hole drilling technology and routine borehole drilling technology.

小井眼与常规井眼的钻井工艺有较大差异，提高小井眼钻井速度有很大的实际意义。

5·This paper introduced the slim hole drilling designation and operation in shallow gas bearing reservoirs of Chuanxi area.

介绍了川西地区浅层天然气小眼井钻井设计与施工情况。

6·The LDAM slurry system shows that it solves the gas-out problems of slim hole and improves the quality of cement circular.

结果表明，LDAM水泥浆体系能有效解决小眼井固井漏失气窜问题，并提高了薄水泥环的胶结质量。

7·The coring technology in deep slim hole has been applied in China. It provided dependable core data for exploratory development.

深井小井眼钻井取心技术作为其配套技术，已相继在国内油田应用，为勘探开发提供了可靠的岩心资料。

8·A re verse circulation well control method applicable in slim hole was advanced firstly and respective calculation equations were set up.

文中首次提出适应小井眼的反循环并控方法并给出了相应的计算公式。

9·The development and application of this device provided a necessary mean for the slim hole track measurement and directional window cutting.

它的开发、应用成功，为小井眼、短半径井的井眼轨迹测量、斜向器定向开窗作业提供了必备的测量手段。

10·It analysed the feasibility and the limitation of applying mining rig and water well rig to slim hole drilling in shallow gas bearing reservoirs.

分析了矿业钻机与水井钻机用于浅层天然气小眼钻井的可行性及局限性。