An Initial Idea for Developing New Reverse Circulation Drilling Technology and Equipment;
关于开发新型反循环钻进工艺装备的初步设想
To solve effectively the problem of sand removing in low-pressure absorption wells,a drilling sand pump was developed.
为了有效解决低压漏失井的井下清砂问题,研究开发了一种具有钻进功能的捞砂泵。
In order to solve the drilling problems,diamond thin-wall core bit is developed and produced by adopting composite electroplating method.
在研制过程中,对金刚石钻头的胎体配方进行了优化,确定了电镀工艺参数,分析了金刚石参数等对钻进过程的影响,采用混目金刚石扩大了钻头的适用范围,提高了钻头的自锐性。
deepwater drilling
深水钻进、深海钻进
easing the bit in
钻头轻压慢转钻进地层
Improvement and Development of Core Drilling Method in Scientific Drilling
科学钻探取心钻进方法的改进和发展
There's a grub that kills them by boring into the flower.
有一种钻心虫，钻进一条去，花就死了。
wash-and-drive method
边冲出钻屑边打入套管钻进法
4.14 Drilling with cone (drag) bit in the section.
此段地层采用牙轮（刮刀）钻头钻进。
The moon's been going in and out of the clouds.
月亮老是从云里钻进钻出。
The Optimal Design About the Trajectory of Non dig Guided Boring
非开挖导向钻进钻孔轨迹的优化设计
All drilling breaks are to be flow checked.
遇到快钻时或钻进放空都要检查溢流。
Experimental Model and Simulation Analysis on Drill Pipe of the Reconnaissance Drilling;
勘查钻进钻杆的实验模型与仿真分析
Parameter Measurement and Transmission of the Drill Bit for Horizontal Directional Drilling
水平定向钻进钻头信息的测量与传输
Study on drill bit for large diameter core drilling of deep hole in hard rock
硬岩深孔大口径取芯钻进的钻头研究
Technology preventing oozing slurry drilling fluid in large crossing drilling engineering
大型穿越钻进工程防冒浆钻井液技术
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
Honigmann process
霍尼希曼分段钻进法
He stooped his head to get into the car.
他俯首钻进了汽车。
I put on my pajamas and got into bed.
我穿上睡衣，钻进被窝。
I saw a rabbit dive into its hole.
我看见一只兔子钻进洞。