1) Is the gas on?
煤气开着吗?
2) Is the phonograph playing?
留声机正开着吗?
4) Have you a gas cooker?
你有煤气炉吗？
5) CBM development
煤层气开发
1.
CBM well pattern optimization is the key issue for CBM development.
煤层气井网优化是煤层气开发的重要环节,井网部署的合理与否,不仅关系到单井产量的大小,而且直接影响到煤层气开发项目的成败。
2.
This paper introduces the features and superiorities of CBM development of pinnate horizontal drainhole, and according to the geological requirements for the development of pinnate horizontal drainhole, analyzes Qinnan Basin, and selects the deployment area of pinnate horizontal drainhole.
介绍了羽状水平井煤层气开发的特点及其优势,根据羽状水平井开发的地质要求,对沁南盆地进行了分析,优选出羽状水平井部署区域。
3.
The author points out that in the mining area with high gas content,low permeability,and multiple workable coal seams,only when we know better about the rules of methane occurrence and emission characteristics,can we adopt flexible technology so as to achieve effective methane drainage and CBM development.
本文介绍了铁法矿区概况,论述了铁法矿区井下瓦斯抽采、地面煤层气开发的主要技术方法;指出高瓦斯、低透气性、复合煤层群开采矿区,只要抓住瓦斯赋存规律、涌出特点,采用灵活多变的技术方法是可以实现高效瓦斯抽采与地面煤层气开发。
6) gas mining
煤层气开采
1.
Inquiry into gas mining with ultrashort radial radial system;
本文通过对超短半径径向钻井系统的基本原理和施工方法的详细介绍,试图把超短半径径向钻井系统这项先进技术作为一个新的技术手段引入煤层气开采中来,以提高煤层气的采出率。
补充资料：煤层气(见煤成气)
煤层气(见煤成气)
coal-bed gas:see coal derived gas
于煤煤层气(c oal一bed gas)以吸附状态赋存 层内部的煤成气。见谋成气。-
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条