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- pinnate horizontal drainhole 羽状水平井
- 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。
- According to the economic evaluation, it has better economic benefit to exploit Qinshui coal-bed gas field with directional pinnate horizontal wells. 通过经济评价，利用定向羽状水平井技术开发沁水煤层气田具有较高的经济效益。
- 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 technique of directional pinnate horizontal wells, which joints the drilling, completion and stimulation jobs together, adapts to exploit coal-bed gas with low permeability. 定向羽状水平井技术适合于开采低渗透储层的煤层气，集钻井、完井与增产措施于一体。
- A mathematical model for describing coalbed gas recovery in heterogeneous anisotropic dual medium of pinnate horizontal multilateral wells was established. 建立了对非均质各向异性双重介质煤层气进行定向羽状水平井开采的数学模型。
- The simulation program will considerably promote the extensive use of pinnate horizontal multilateral well in China and coalbed methane production on large scale and better economical gains. 软件的应用对这一项新技术在我国的推广应用和煤层气的大规模开采能够起到重要的指导作用，并取得较好的经济效益。
- With the improved drilling fluid and the techniques of under-balanced drilling and pinnate horizontal drilling, the damage from drilling operation can be minimized on the coal-bed gas reservoirs. 应通过改善钻井液、采用欠平衡钻井和羽状水平井钻井技术，最大限度地降低钻井工程对煤层气储层造成的伤害；
- pinnate horizontal multilateral well 地面羽状井
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- Study on Pinnate Horizontal Directional Drilling Technique of Coal-bed Gas 煤层气定向羽状水平井钻井技术研究
- The sun rises from the horizontal line. 太阳从地平线上升起。
- Please put your armrest into horizontal position for landing. 降落时请将座位扶手放于水平位置。
- The Application of Pinnate Horizontal Multilateral Well Numerical Simulation Technology 煤层气定向羽状水平井数值模拟技术应用
- Development Status Quo and Trend of Directional Pinnate Horizontal Well for Coalbed Gas 定向羽状分支水平井开发煤层气现状及发展趋势
- The horizontal beam on a cross or gallows. 横梁十字架或绞架上的水平横梁
- Numerical simulation of Pinnate horizontal multilateral well for coalbed gas recovery 煤层气羽状水平井开采数值模拟研究
- Keywords coalbed gas;pinnate horizontal multilateral well;well profile;optimization; 煤成气;开采;水平井;定向羽状水平井;井身结构;优化;
- A transverse or horizontal piece, as of a structure or implement. 横梁结构或工具等的横向的或水平部分
- A horizontal row of printed or written words or symbols. 字行水平的一行印刷或书写的字或符号
