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- pilot hole drilling tool 导向孔钻具
- precision deep hole drilling tool 精密深孔钻孔工具
- Keywords raise boring method;pilot hole drilling;declination;declination correction; 反井钻井法;导孔钻进;偏斜;纠偏;
- Research on Technical Present Situation and Annular Hole Drilling Tool in Large Diameter Hollow Pile 大直径空心桩技术现状及环形孔钻具的研究
- A zero-offset VSP observation was carried out with a 6-level 3-component geophone at the pilot hole of Chinese Continental Scientific Drilling (CCSD). 用六级三分量检波器在中国大陆科学钻探先导孔中实施了零偏VSP测量。
- TYZ series raise borers play an important role in the operation of drilling pilot hole and reaming ventilation raise, fill raise or pipe pass etc. TYZ系列天井钻机在压钻导向孔和拉扩通风井、充填井或管道井等的作业中起着至关重要的作用。
- Advanced Bottom Hole Drilling Tools and the Rotary Steering Closed Loop System 现代井下钻井工具及旋转导向闭环钻井系统
- WISDOM DEEP HOLE DRILLING MACHINE CO., LTD. 慧能深孔机械有限公司。
- Dual action: hammer drilling and hole drilling. 二模式动作:锤钻及单钻孔。
- DEEP HOLE DRILLING TECHNOLOGY LTD. 北京哈镘深孔技术有限公司。
- The drilling tool should be measured precisely. 请准确丈量钻具。
- deep hole drilling tool 深孔钻床工具
- Analysis of the Present Quality Situation and Safe Reliability of Deep - Hole Drilling Tools 深井用钻具质量现状及安全可靠性分析
- A pierced pilot hole shall be the first station of a progressive die to ensure proper pitch from die setup. 在连续模第一站应冲导正孔确保模具结构有固定的步距。
- Get all the drilling tools unlashed. 解开所有钻具。
- By comparing the acoustic wave impedance with the VSP (vertical seismic profile), the reflectors of the CCSD pilot hole have been analyzed. 分析结果表明(1)岩性间波阻抗差异产生反射波,如榴辉岩与副片麻岩之间波阻抗差异;
- Whenever possible all pilot holes require a press fit bushing. 只要可能,所有的引导孔都要求一个压配的导套。
- Now this technique is applied in the slim hole drilling in Daqing Oil Field. 目前,此项技术已在大庆油田小井眼钻井中推广应用。
- A drilling tool. 钻子一种钻凿用工具
- SDS-Plus electric hammer drill bits, HSS twist drills, Chisels, carbide tipped router bits, hole drilling implements, TCT saw blades and some other power tool accessories. 电锤钻头;麻花钻;钢凿;木工铣刀;开孔工具;TCT锯片;金刚石锯片以及其他五金工具零配件.