查询词典 drilling

In order to implement simultaneous casing while drilling of larger diameter pile holes and water wells in complex strata, a new type of bit for simultaneous casing while reverse circulation drilling with DTH air hammer was developed.

为实现在复杂地层用同步跟管钻进工艺钻凿直径较大的桩孔和水井，设计了一种气动潜孔锤反循环跟管钻进钻头。

Finally,the method and procedure of calculating downhole bit weight by use of the drilling weight and apparent pressure during drilling are proposed in the paper also.

并给出了利用钻进时的钻重和视压力，计算出井底钻压的方法及步骤。

It now processes solid technical strength and advanced technological equipment, specializing in producing diamond tools :metallic bonding agent, resin bonding agent and rubber bonding agent, Various diamond grinders,core drilling machine, grinding head for fine engraving ,various special polishing wheels (The tool of special use sole diamond wheel), diamond drilling bit,diamond fingers-trimmer,and all kinds of glass special use polish wheel have been the optimum assorter for the glass deep-processing machine and sole proceessing machine.

现拥有 雄厚的技术力量和先进的工艺设备。专业生产：金属结合剂、树脂结合剂、橡胶结合剂系列金刚石工具，如各式金刚石砂轮，金刚石钻头，精雕磨头，金刚石修指器，各式玻璃专用抛光轮等工具。

It now processes solid technical strength and advanced technological equipment,specializing in producing diamond tools :metallic bonding agent,resin bonding agent and rubber bonding agent,Various diamond grinders,core drilling machine,grinding head for fine engraving ,various special polishing wheels(The tool of special use sole diamond wheel), diamond drilling bit,diamond finger-trimmer,and all kinds of glass special use polish wheel have been the optimum assorter for the glass deep-processing machine and sole proceessing machine.

现拥有雄厚的技术力量和先进的工艺设备，专业生产：金属结合剂、树脂结合剂、橡胶结合剂系列金刚石工具，如各式金刚石砂轮，金刚石钻头，精雕磨头，金刚石修指器，各式玻璃专用抛光轮等工具。

Backfill drilling hole system is a complex gray system, and backfill drilling hole's life relating to a lot of uncertainty factors.

充填钻孔系统是一个复杂的灰色系统，钻孔的使用寿命与很多不确定性因素有关。

It is points out that the bore-hole trajectory is related to not only BHA and Bit-Rock mutual action , but also the drilling string vibration and the hydraulic action of drilling fluids .

提出了井眼轨迹不仅与下部钻具组合和钻头与岩石互作用有关，而且与钻柱的振动和钻井液水力作用有关。

Keywords: bore-hole trajectory;guidance;computer simulation;rotary drilling steering tool;close-loop drilling

中文关键词：井身轨迹；制导；计算机仿真；旋转导向钻井工具；闭环钻井

According to the experi ence of my long term career of geotech drilling and tunneling engineering technique work and manage ment, and the characteristics of plum blossom-type section borehole grouting pile construction technolo gy, and in accordance with 《Construction Foundation Pile Technique Standards》, and 《Standards for Grouting Pile Foundation Construction Technique》, the research work has set up the work process technique demands for the new piling making technalogy's bore-hole drilling, steel cage's making and placing, and concret grouting etc.

根据研究者多年从事岩土钻掘工程技术工作和管理工作的丰富经验，鉴于梅花断面钻孔灌注桩施工技术的特点，依据《建筑桩基技术规范》和《灌注桩基础技术规程》，提出了梅花断面钻孔桩施工技术的钻进成孔、钢筋笼制作与吊放、混凝土灌注等方面的具体操作技术要求。

Make sure the company can get the human resource, which fits, for its development.The management promotion strategy mainly analyzes the conversion of management manner in the drilling industry namely the drilling crew. By adoption of international project management practice, the company can match international standards in management, and its Bushiness Process Reengiiling promotes its management.

管理提升战略主要分析了钻井主业即钻井队的管理方式转变--结合实际应尽快向国际通用的项目管理模式衔接，使公司从管理上与国际并轨，并进行钻井业务流程再造，以提高公司的管理水平。

The company mainly engaged in 4.8, 8.8, 10.9, 12.9, Metric, English, American, German system, the Japanese system, anti-teeth, small teeth, 1.6, with 1.6, nuts, bolts high-strength steel structures, steel structures Shear-twisting screws, nails welded steel structure; 10.9 high-strength steel structure screws; series since drilling screws, chemical screws, chemical fastening agents, advertising screws, Kenuo Di wallboard nails, Chunyu wallboard nails, screw the whole tooth , The top explosions,(stainless steel 2.60, within 1.6, nut, pull explosion, since the attack, machine wire, Ping-, bomb-) copper screws series; screws, a pin T-type screwdriver, screws live Festival , To pin screws, the head screws, cement Dan head screws, belts screws, tight set-key, cylindrical pin, a round nut, Kahuang, Spring, Pin, butterfly screws, orchid flower,扎head and dumping of deduction, 1.30 laps, furniture screws screws, construction fastening accessories (import drilling Tsui, 2.60 keys, twist drill, a round Banya) Gezhongfeibiao special screws.

本公司主要经营4.8级、8.8级、10.9级、12.9级、公制、英制、美制、德制、日制、反牙、细牙、外六角、内六角、螺母、高强度钢结构螺栓、钢结构扭剪形螺丝、钢结构焊钉；10.9级高强度钢结构螺丝；自钻螺丝系列、化学螺丝、化学紧固剂，广告螺丝、科诺迪墙板钉、春雨墙板钉、全牙丝杆、顶爆、（不锈钢六角、内六角、螺母、拉爆、自攻、机丝、平介、弹介）铜螺丝系列；拉钉、钢钉T型螺丝、活节螺丝、地脚螺丝、方头螺丝、水泥旦头螺丝、皮带螺丝、紧定、平键、圆柱销、圆螺母、卡簧、弹簧、销轴、蝶形螺丝、花兰、扎头、卸扣、三角圈、家具螺丝螺丝、建筑扣件配件系列；（进口钻咀、六角匙、麻花钻、圆板牙）等各种非标特殊螺丝。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。