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- Its extracting method includes surface well drilling and underground mine tunnelling.The tunnelling method is suitable for many mine areas in our country. 开发煤层气的方法有地面钻井开采和井巷开采两种，其中井巷开采方法适用于我国许多矿区。
- Along with the maturity of surface well drilling technology, a new idea of exploiting coal-bed methane before coal mining by surface well drilling methods has been put forward. 随着近年煤层气(瓦斯)地面钻井开发技术的成熟,人们提出了通过地面钻井的方法先采气后采煤的开采新理念。
- surface well drilling 地面钻井
- Angle measuring MWD tool is widely used in field well drilling. 随钻测斜仪在钻井现场中应用相当广泛。
- Surface water supplies, problems and solutions; the small farm dam how to construct one; well drilling the von der Rigg; spring and groundwater protection; urban water supply and sanitation; water vending; roof catchment systems. 地表水供给的问题与解决方法；如何建造农场小蓄水池；凿井；泉水与地下水的保护；城市供水与卫生设备；水的销售；屋顶排水系统。
- The jet action can largely improve ROP during oil/gas well drilling. 摘要在油气井钻进过程中，射流对井底的作用可大幅度提高钻速。
- When was the first offshore oil well drilled? 第一口滨海油井是什么时候打的钻?
- One who is engaged in speculative mining or well drilling in areas not known to be productive. 野猫钻井者，盲目开采油井者从事在资源依据不足的地区冒险性采矿或钻井
- Aluminium well drilling pipes are product deveoloped and patented by Reynolds Metals Company of USA. 铝钻探管以其优良的钻探特性广泛应用于海洋和沙漠石油开采中。
- But in deep well drilling practices of long open hole,the homogeneous gns generally invades borehole. 但在一些长裸眼段深井的钻井实践中，常常会遇到均匀气侵溢流。
- I have no idea of their having found a better drill bending stress. 我没听说他们找到了能抵抗高弯曲应力的好钻杆。
- Well drilling for deep evaporite beds is a big problem faced by drilling sector. 深部盐膏层钻井是钻井工程重大技术难题之一。
- In drilling exploration and well drilling Industry, the drilling pipe and drill collar are key apparatus. 钻杆和钻铤等管状螺纹连接件，是钻探和石油钻井工业中的关键设备。
- Successful completion of this well accumulated certain experiences for futural deep wild cat well drilling. 该井的顺利完钻，为以后深探井钻井积累了一定的经验。
- It gives some valuable advice on how to heighten holistic,macroscopical benefit of deep water well drilling. 提出了从整体上、宏观上提高深水井钻进效益的改进措施。
- A Shell-sponsored colour 44-page booklet on China′s pioneering achievements in the development of well drilling and natural gas production technology. 壳牌赞助印刷的小册子，44页彩色印刷，讲述中国古代开创钻井采盐及采气技术的卓越成就。
- Suitable for vertical well drilling goisting, cage channel of vertical well drilling, port load and unload derrick, and tower crane. 适用于开设立井提升、立井罐道港口装卸起重机、建筑用塔式起重机。
- Biopolymer XC owns a singularity three grades composition which can resolve a series of problems occured during horizontal well drilling. 生物聚合物XC的特殊三级结构使它能够协调解决水平井施工中所遇到的一系列问题。
- Dagang Directional Drilling CO.(DDDC) sign a cooperative project with National Iran Oil Company (NIOC) for horizontal well drilling. 大港定向井公司与伊朗国家石油公司签订的水平井国际合作项目，经过两年三个月的施工，取得圆满成功。
- DAIWA RABIN fits curved surfaces well, providing steady grinding without any jumping and chattering. 对于金或铜等材料，它不易引起粘附，并且不容易被裹附。
