Relied on the Floating Car Data Collection Experimental System (FCDCS) constructed in our laboratory, the paper starts with the definition of travel speed in the traffic engineering theory; then, based on the real-time Floating Car Data (FCD), a stay time analysis based travel speed processing algorithm was presented.
依托重点实验室构建的浮动车采集处理实验系统,从行程速度的交通工程学定义出发,利用实时上传的浮动车数据,构建了以浮动车的驻留时间和路段长度为基础的行程速度估计算法。
Modeling and Appling of Drilling Speed of Cutting Type PDC Bit;
切削式PDC钻头钻速方程建立及其应用
Razor Tergum digs into the ground and digs out at another place quickly.
剃背迅速地钻进地底并在任一个地方钻出来。
Calculating Method and Effect on ROP of Ratio for WOB of RWD Tools
随钻扩眼工具钻压分配比的计算方法及对钻速的影响
They introduced a special method of high-speed drilling.
他们采用了一种高速钻探的特殊方法。
Research on Fast and Quantitative Oil &Gas Measurement for In-situ Well Drilling Monitoring;
钻井过程油气快速定量化检测技术及应用研究
A Multi-Direction Diamond Search Algorithm for Fast Block Motion Estimation
用于快速块运动预测的多方向钻石搜索算法
Method for eliminating centrifugal acceleration in rotary steerable drilling system.
旋转导向钻井系统中离心加速度消除方法研究
Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate.
井下液力推进器的应用在一定程度上解决了钻压的施加问题，有利于提高钻进速度。
This process could be speeded up by wrapping a cord around the drill and pulling on each end.
这个过程可以通过系一条绳索在钻子上并在两端不停的拉来加速。
Experimentation Research and Simulation of Bullet with High Velocity Penetration on Concrete;
高速钻地弹水泥靶侵彻过程的实验研究与计算机仿真
STUDY OF THE LOAD ON THE JOURNAL BEARINGS OF THE TRICONE BIT BY THE METHOD OF ANALYSIS OF THE RANDOM PROCESS
用随机过程分析方法研究牙轮钻头轴承载荷
The Scheme Study of Equipment Management at Changqing Well Construction Company;
长庆钻井工程总公司设备管理方案研究
Analysis of Program of Deviation Prevention and Control in Freezing Hole Construction
冻结孔钻孔过程中的防偏及控偏方案浅析
Research on Grinding Method of Drilling Cutter's Flank
基于钻削刀具后刀面刃磨方程建立的研究
Establishment and solution of the vibration equation on the bending drill string in horizontal wells' whipstocking section
水平井造斜段弯曲钻柱振动方程的建立及求解
In addition to the fleetness connects single root, can also use at salvage the homework, search direction or demands the slow the artesian well tool that turn last, and drill the size rat hole use.
除快速接单根外，还可用在打捞作业，找寻方向或需要慢转的钻井工具上，以及钻大小鼠洞用。
A Method to Determine Effective SiO_2 Content in Silicate Drilling Fluid
硅酸盐钻井液中二氧化硅有效含量快速测定方法研究
Converting gas drilling to conventional drilling within short time
气体钻井快速转换为常规钻井的钻井液技术