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- wireline core drill rod 绳索取心钻杆
- Drill rod couplings for core drills 岩心钻钎杆接头
- S 96 Wireline Core Drilling Eguipment for Medium Deep Borehole 中深孔用S96绳索取心钻具
- Wireline Core Drilling for Deep Well in Jiangsu Rock Salt Mine 江苏盐田深井绳索取心钻探技术
- Wireline Core Drilling Technique to be Actively Applied and Developed 积极采用和发展绳索取心钻探技术
- Troubles Met with in Wireline Core Drilling and Technical Measures Adopted 推广绳索取心钻进技术存在的问题及其对策
- Integral Short Drill Rod Type DZ. 型整体式短钻杆。
- wireline core drilling 绳索取心钻探
- Problems and Countermeasures of Wireline Coring Drilling in "Walk" Formation in a Uranium Mine in Guangxi 广西向阳坪铀矿"打滑"地层绳索取心钻进存在问题与对策
- Core drill machines can be powered by electric, hydraulic or air power sources. 核心动力的电动钻机器能、水力和空气动力来源。
- The drill rig adopts hydraulic transmission way to realize the rotation,propulsion,getting up and pulling of drill,as well as adjustment and fixing of drill rod obliquity during working. 该机工作过程中钻具的旋转、推进、起拔以及钻杆倾角的调整和固定等动作全部采用液压传动方式实现;
- Introduction is made on the development, technical parameters, main features, version verification test, production trial and appraisal of CD - 3 core drill. 介绍了CD-3型岩心钻机研制情况、技术参数、主要特点及型式检验、生产试验和鉴定情况。
- Is the earliest Chinese manufacturer of the aluminium alloy cooling rods for the drill rod welding in the PTC industry. 公司以扎实的科研力量为依托，雄厚的生产实力为基础。
- Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced. 以本厂簿壁孔精加工为例，介绍了硬质合金扩铰复合刀具的设计、结构参数、使用情况及应用效果。
- Shanghai Jeichu Machinery &Electric Co.,Ltd. is manufacturer specialized in research, production and sales of Diamond Core Drill ,Will Saw and Diamond Series Tools. 上海杰出机电有限公司是集研发，生产，销售于一体的金刚石钻孔机、墙锯机以及金刚石系列工具的专业制造商。
- The floating Rotary Head avoids abnormally wearing of drill rods' threads. 滑动式动力头，避免钻杆丝扣的非正常磨损；
- The floating trailing plates avoid abnormally wearing of drill rods' threads. 浮动式动力头拖板，避免钻杆丝扣的非正常磨损；
- TypeT10 For making rotary scraping drill bits and rock core drilling bits. T10型用于镶制旋转钻进刮刀钻头及自磨式取岩心钻头。
- Keywords wireline coring;drill pipe;threads;stress distribution; 绳索取心;钻杆;螺纹;应力分布;
- Diamond coring bits are utilized for core drilling. 在取芯钻井井段,选用金刚石取芯钻头。
