您要查找的是不是：
- coalbed methane extraction 瓦斯抽采
- China has just started the study on coalbed methane (CBM) reserves. 摘要国内关于煤层气储量的研究工作才刚刚开始。
- Study on Theory and Method of Coalbed Methane Project Economy Evaluation II. 煤层气项目经济评价理论与方法研究2。
- Coalbed methane is a natural gas resources adsorbed to the coal reservoir. 煤层气是一种以吸附态储集在煤层中的天然气资源。
- Occurrences and forms of hydraulic fractures in drilling wells are analyzed for extraction of coalbed methane(CBM).The determination basis of dips,strikes and shapes of the fractures are presented. 对钻井水力压裂开采煤层气时，所形成的裂缝产状和形态进行了理论分析。提出了裂缝倾角、走向和形状的确定依据。
- It is significant to prediction of coalbed permeability and resource evaluation of coalbed methane. 其结果对煤层气资源评价和煤层渗透性预测具有重要的指导意义。
- Some important parameters of coalbed methane reservoir can be determined by the injection and falloff well test. 注入压降试井可以获取煤层气储层的重要参数。
- The Wushen coalfield, Ordos Basin is one of important coalbed methane (CBM) development areas. 摘要鄂尔多斯盆地乌审煤田是我国煤层气勘探的重要区块。
- The Wu M1-1 well is the first coalbed methan (CBM) multi-branched horizontal well of the Petrochina. 武M1-1井是中石油第1口煤层气多分支水平井。
- The precise definition,systematic method and thought of coalbed methane redound to in-depth coalbed methane study. 进一步的煤层气地质研究需要精确的煤层气概念和系统的研究方法和思路。
- The desorption and diffusion of coalbed methane are the key inner-boundary conditions of coalbed methane reservoir. 煤层气的解吸、扩散是煤层气藏一个关键的内边界条件。
- The Sahai Formation coalbed methane is sealed by the roof comprising mudstone and lutite of the fourth Sahai Formation. 沙海组四段泥岩、泥质粉砂岩作为沙海组三段煤层气的盖层，是良好的区域性盖层；
- The precise definition, systematic method and thought of coalbed methane redound to in-depth coalbed methane study. 摘要进一步的煤层气地质研究需要精确的煤层气概念和系统的研究方法和思路。
- China possesses rich coalbed methane (CBM) resources with broad development prospects. 中国拥有丰富的煤层气资源,开发前景广阔。
- Application result of this method to simulating coalbed methane well in Xinji is reasonable. 把该方法应用于新集煤层气井的拟合,取得良好效果。
- Lack of technology and fund,Sichuan is dropped behind on coalbed methane exploitation and utilization in the china. 由于技术和经济等多方面原因,四川省煤层气开发利用相对落后。
- The CBM accumulation model is used to simulate the hydrodynamic condition of low-rank coalbed methane reservoir. 利用煤层气成藏模拟装置模拟了低煤阶煤层气藏水动力条件。
- The Qinshui Basin is rich in coalbed methane whose development and usage are of importance. 沁水盆地煤层气资源丰富,其开发和利用具有重要意义。
- External coalbed methane industry which is taken America as dominant factor has achieved a great success. 我国的煤层气勘探开发工作已取得一定成果，但尚处于起步和试验阶段。
- Conventional flow mathematical models of coalbed methane are all based on Euclidean geometry. 摘要 传统的煤层气渗流数学模型均是建立在欧几里德几何基础上的。
