Aiming at slim-hole production effect, fuzzy mathematics and cluster analysis are applied to set up an evaluation model for slim-hole technology.

针对小井眼技术的开发效果，应用模糊数学和聚类分析方法，建立了经济评价模型。

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.

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。

Accompanied by the increasing number of slim-hole wells, the accidents increased too.

伴随着小井眼井数的增多，发生的事故也越来越多。

A crosslinking agent DCL - KB was developed against the characteristic of slim hole fracturing.

根据小眼井的特点和技术要求,研制了可控制交联时间的延迟交联剂DCL-KB,该剂是硼与特殊的配位络合体在常温下合成的,比普通硼砂分子大得多的络合物.

Through a comparison, the economic benefit in slim-hole drilling for coalbed gas has been analyzed.

通过与常规煤层气试验井对比，分析了煤层气小井眼钻井的经济效益。

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.

Technique of free- water- carrying gas production with slim-hole coiled tubing was first successfully used in pilot - testing of horizontal well in middle region of Sichuan.

川中地区小口径连续油管携自由水采气工艺技术，首次成功地在水平井中先导试验，提高了低产气井开采效果。