The directional pinnate horizontal multilateral well has been a rising technology in recent years for increasing coalbed methane recovery.
定向羽状水平井技术是近几年兴起的一项煤层气地面抽采技术。
This well employed Measured While Drilling, geologic followup, screw drill direction technology and DF-1 multilateral well completion technology.
该井采用了地质跟踪、无线随钻测量技术、螺杆钻具定向技术与DF - 1多分支井完井技术等。
It is imperative to develop inflow performance relationships of each type of multilateral Wells because the number of multilateral well is rapidly increasing.
多分支井钻井井数日益增加，迫切需要建立各类多分支井的向井流动态关系。
The existence of start-up pressure gradient can make depressurization effect of pinnate horizontal multilateral well get worse, which promotes gas production reduced.
启动压力梯度的存在会使煤层中羽状水平井的降压效果变差，从而减少煤层气的产量。
The theory od seepage flow in multilateral well was studied, but the theory of multilateral well in some special reservoir (as heavy oil reservoir) is not reported openly.
国内外学者对分支井渗流理论的进行了一定的研究，但目前对多分支井在特殊油藏（如稠油油藏）中渗流理论的研究还未见公开的报道。
The paper introduces the operation situation of Jin 612-12-Xin22 multilateral well in Liaohe oilfield, including the directional milling, well path control and multilateral well completion.
介绍了辽河油田多分支井技术在锦612-12-新22分支井的钻完井施工情况，其中包括套管定向开窗技术、井身轨迹控制技术与分支井完井技术。
Second, the content of the foreign investment law needs to be analyzed, introduced, as well as the bilateral and multilateral laws of Laos.
其次，对老挝外资法制的主要内容进行分析，阐明了老挝外资国内法制、老挝外资双边法制和多边法制。
A key tool of drilling multilateral horizontal well is retrievable whip stock.
钻多分枝水平井的关键工具是可回收式斜向器。
A key tool of drilling multilateral horizontal well is retrievable whip stock.
钻多分枝水平井的关键工具是可回收式斜向器。
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