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.

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By comparing with normal well bore, the economic efficiency of slim hole drilling was evaluated.

通过与常规井眼对比, 评价了小眼井钻井技术经济效益.

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The liner bump - pressure cementing technique of slot sidetracking slim hole is introduced in the paper.

文中介绍了侧钻小眼井尾管碰压井技术.

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Decreasing friction of drilling string is a key to finish drilling in slim hole.

减少钻柱扭矩,防止套管磨损的方法之一是使用非旋转钻杆保护器.

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The configuration character , work principle and applications of gas cut while - drilling in slim hole are introduced.

介绍随钻气侵检测仪的结构 、 工作原理及在小井眼中的应用.

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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.

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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.

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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.

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