The mathematical model for evaluating sidetrack horizontal well drilling is developed by using the fuzzy mathematical theory and analytical hierarchic process.
针对侧钻水平井钻井的特点，应用模糊数学理论和层次分析方法，建立了侧钻水平井钻井综合评价模型。
Some new logging problems have appeared because horizontal, extended reach and sidetrack wells have been widely drilled in recent years.
近年来油田采用一些大斜度定向井、老井开窗侧钻井等钻井技术，测井面临如何作业的新问题。
Developed step by step, the technology of sidetrack drilling horizontal well in slim-hole is relatively mature, whole it's fist time to apply it in Dagang oilfield.
小井眼侧钻水平井技术经过不断的完善已基本成熟，但在大港油区内应用属首次。
The experimental results shows that sidetrack horizontal well can really increase oil production, extend the production life of injecting water reservoir and enhance oil recovery.
侧钻水平井确实能提高开采效果，延长注水油藏的生产寿命，提高最终采收率。
During drilling operation, the track in horizontal interval is controlled and the hang sidetrack drilling technology is successfully used.
在钻井施工中精确控制了水平段轨迹，应用了悬空侧钻技术。
During drilling operation, the track in horizontal interval is controlled and the hang sidetrack drilling technology is successfully used.
在钻井施工中精确控制了水平段轨迹，应用了悬空侧钻技术。
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