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。
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。
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。
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