采用组合钻具进行跟管钻进，通过随钻跟入的套管保护孔壁，解决因钻孔垮塌导致钻探效率和岩心采取率低等技术难题。
The problems of low drilling efficiency and low core recovery due to borehole collapse were solved with pulling in casing while drilling through using combined BHA with casing.
当取心钻具采用双层管时，钻进所用的钻头就需要用普通双管钻头。
Conventional double tube bits should be used as bits for drilling, while coring tool is double tube.
针对小口径火炮身管钻削加工时存在的切屑堵塞和内膛质量问题，设计了一套低频振动装置。
According to the problems of blocked chips and hole qualities in the drilling of small caliber gun barrel, a installation of low-frequency vibration drilling is designed.
通过对空气潜孔锤跟管钻进钻具的受力分析，得到影响潜孔锤跟管钻进速度和跟管深度的因素。
By analysis of enforcement of drilling tools of air downhole hammer's following pipe, the factors affecting the drilling speed and depth of the following pipe are obtained.
主要是采用风动潜孔锤同步跟管钻具造孔，可控灌浆技术进行灌浆堵漏。
The hole is drilled by downing hole hammer and controllable grouting is used in prevention with ideal result.
两个悬臂则固定在支架的内部结构上，并允许管架从贮存位置降到钻柱中线上。
The swing arms are fastened to the inside structure of the mast, and permit the pipe rack to be low-ered from the stored position to the centerline of the drill string.
是否能证明钻轴偏移管控良好？
Is there evidence to demonstrate that spindle run-out is well controlled?
本文介绍了薄壁管专用钻头的结构特点及工作原理，其结构设计新颖，对薄壁管的钻削有实用价值。
In this paper, the structure feature and principle of this special drill has been introduced. Its special design is very useful for drilling thin-wall pipe.
纤维桩：依照厂商说明使用预成钻和完成钻进行根管预备。金属桩：对桩的表面喷砂。
FIBER post: Prepare the root canal with the Pre-Shaping and Finishing drills, according to manufacturer's instructions. METAL post: Sandblast the surface of the post.
在水平定向钻穿越管道回拖环节中，容易出现卡管现象，导致穿越失败，造成巨大的经济损失。
Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.
钻机配有一个主卷扬机、一个副卷扬机。主卷扬机用于升降钻具、下井管等。
Drilling rig equipped with a main hoist, one vice hoist, main hoist for lifting drilling, downhole tubes.
HSQ系列绳索取心钻具，既保持了现用砂钻钻进的工艺特点，又发挥了钢绳打捞内管技术的方便性。
The wire-line coring tool of HSQ serial has kept up the technical features of conventional placer drills and derived the advanced structure from steel cable fishing tool for inner barrel.
钻机配有一个主卷扬机、一个副卷扬机。主卷扬机用于升降钻具、下井管等。副卷扬机用于更换钻杆或其他取芯工具及提砂筒，也可用于洗井作业。
Vice hoist for the replacement of the drill pipe or other tools and put sand core tube can also be used for flushing operations.
可在钻井、完井、采油、修井等方面进行有效应用的可膨胀管技术，被认为是2 1世纪石油钻采行业最有前景的技术之一。
Expandable Tubular technology is one core technology in petroleum industry in 21st century, which is used in drilling, completion, recovery and workover.
带眼衬管一般用于小直径井筒或在不需对衬管注水泥(如层位封隔所要求)的储层内的侧钻。
Perforated liners typically are used in small-diameter wellbores or in sidetracks within the reservoir where there is no need for the liner to be cemented in place, as is required for zonal isolation.
用于石化、锅炉、制冷等行业的管板，折流板和法兰盘钻。也可用于建筑、桥梁、铁塔等钢结构中的联接板钻孔。
Ideal drilling machine for tube-plates, baffle plates and flange, in petrochemical, boiler and air-condition industries, also for joint plates in building, bridge, iron tower, etc.
立管内部核心是空心的(管中管)，留给钻柱使用。
The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.
立管内部核心是空心的(管中管)，留给钻柱使用。
The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.
应用推荐