Low penetration as well as drilling incidents of high frequency resulted from problems caused by leakage, gas migration, collapsing sticking, well kick, blowout and so forth.
且常发生井漏、气侵、坍塌性卡钻、井涌与井喷等井下复杂问题，导致机械钻速低与钻井事故频发。
The optimal drilling site has to avoid possible areas of incoming water that would disturb the sediment, as well as areas of basal freezing, where lake water freezes to the underside of the ice.
最好的钻位是能避开有水的区域，因为水会破坏沉积物，也就是在完全冰冻的位置最好。
It involved the construction of about 50,000 tube Wells in the fadama lands for small scale irrigation, as well as simplifying the drilling technology for the tube Wells.
项目的内容包括新建50000个机井，用于“发达玛”地带的小型灌溉，同时简化打井技术。
Our company is engaged in designing, manufacturing and marketing drilling tools as well as spare parts.
我们公司是专业从事石油钻采工具及配件的研发、生产和销售的现代企业。
This paper presents the design of surface casing drilling in Shengli Oilfield, as well as development of main tools and the field application in Well Kendong-341.
详细介绍了胜利油田表层套管钻井技术整体方案设计、主要工具的研制及在垦东341井的现场试验情况。
Demobilization and mobilization of drilling rig of overseas project is complex system engineering, involving many departments and persons and information as well as hard organization and coordination.
海外项目钻机遣散和动员是一项复杂的系统工程，涉及的部门、人员和资料多，组织协调难度大。
The preliminary practices show that underbalanced pressure drilling is completely fit to high pressure and low permeability as well as low pressure and leakage formations.
初步实践表明，负压钻井技术完全适用于高压低渗地层和低压易漏地层，其效果明显。
This paper briefs the development background, structure characteristics, technical specifications as well as its applications of RPS3000 geothermal and water well drilling rig with capacity of 3000m.
本文简述了RPS3000型地热水井钻机的研制背景、结构特点、主要技术参数，以及应用情况。
YZX127 hydro hammer used for full face drilling is described with its structural characteristics, performance parameters and laboratory test results as well as the application prospects introduced.
介绍了用于全面钻进的YZX127型液动潜孔锤的结构特点、性能参数、室内岩样实钻试验效果，展望了其广阔的应用前景。
The advantages of the slim hole such as reducing cost of drilling, eliminating the risk of the exploration as well as being beneficial to the environment has caught oil field's attention.
小井眼具有可降低钻井成本，减小勘探风险，有利于环保倍受石油界广泛重视。
The percussion drilling, as the important part in enlarging the service field of the current exploration engineering, is taken as the main method in water well drilling.
作为当前探矿工程扩大服务领域一个重要方面的水井施工，一般以冲击钻进为主。
It is suitable for drilling ferrous and non-ferrous metal in industrial department, clocks, watches, toys and camera industry, as well as in repair shop, for single piece or mass production.
适合钟表、仪器、玩具、照相机工业及修理车间等部门对钢料、有色金属和非金属零件的成批以及单件生产的钻削加工。
The undermine method of well drilling technology once of blasting is put forward as well as the calculation of blasting parameters and the demand of implementation for hole.
介绍了爆破一次成井技术在漂塘钨矿的应用实践，提出了爆破一次成井的掏槽方式，爆破参数的设计计算方法和炮孔的施工要求。
This is due to the complicated geological conditions, as well as the underdeveloped drilling technology.
受地下地质条件影响的同时，钻井工艺技术的落后也是其影响因素之一。
In this paper, we study the effects of laser beam characteristics as well as optical and working system parameters on holes quality in laser precision drilling.
本文研究了激光精密打孔中，激光束性能、光学及工件系统参数对孔质量的影响。
Nowadays, there are many methods of caliper measuring. But during Drilling, we find that the apply of ultrasonic caliper can bring quicker speed as well as much information.
目前可以通过多种方式进行井径测量，但在随钻过程中，发现利用超声波进行井径测量速度快，而且信息量大。
Thick plates are sold mostly to European customers for shipbuilding, wind turbines, as well as oil and gas drilling platforms.
厚板主要销售给欧洲客户用于造船，风力涡轮机，以及石油和天然气钻井平台。
Hollow shaft type high pressure cooling system is used to solve the problem in deep drilling, as well as gun-drill with open groove, proper cutting consumption and single tool withdraw are applied.
笔者主要阐述了数控深孔钻床在使用枪钻进行深孔加工时工艺参数的选择，寻求最佳加工性能，以求达到快速加工、提高效率的目的。
During a drilling operation, as many as 600 samples may be taken from a single well.
在钻井作业过程中，一口井中可能需要采集多达600个样品。
Optimum selection of precision laser drilling with laser beam characteristics as well as optical and working parameter;
在复制法激光打孔中 ，激光束的横向模式决定着加工孔的形状和尺寸精度。
Optimum selection of precision laser drilling with laser beam characteristics as well as optical and working parameter;
在复制法激光打孔中 ，激光束的横向模式决定着加工孔的形状和尺寸精度。
应用推荐