penetration rate

This paper analyses the main factors that influence the speed of drilling hole,puts forward the methods to settle the main working parameters of the rotary drill.

分析了影响牙轮钻机钻孔速度的主要因素,提出了钻机主要工作参数的确定方法。

Influencing factors of drilling speed in exploratory wells of Daqing peripheral oilfield;

大庆外围探井钻井速度的影响因素分析

Understandings and solutions of increasing drilling speed in Tarim basin;

提高塔里木盆地钻井速度的认识与对策

The Application of New Technique of Improving Drilling Speed in the Western of Hubei and Eastern Chongqing;

提高钻井速度新技术在鄂西渝东地区的应用

Research on the Technology of Increasing Drilling Penetration in Xujiaweizi Region

徐家围子地区提高钻井速度技术研究

Technical measures to improve drilling speed in the ultra-deep wells at the LG area

LG地区提高超深井钻井速度的技术途径

Researches on Enhancing Drilling Speed of Development Wells in Puguang Gas Filed

提高普光气田开发井钻井速度的技术研究

Research the reason of influence the mediμm radius horizontal well drilling speed in the shallow layer

影响浅层中半径水平井钻井速度的原因探讨

The Application of New Technique of Improving Drilling Speed in the Western of Hubei and Eastern Chongqing

提高钻井速度新技术在鄂西渝东地区的应用

Analysis Of Influence Factors On Transmissio Speed of Anti-well Drilling Mud Pulse

反井钻井泥浆脉冲信号传输速度影响因素分析

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

high angle drilling lubricant

大斜度井钻井解卡剂

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

TRANSMISSION VELOCITY MODEL IN FREQUENCY DOMAIN OF DRILLING-FLUID CONSECUTIVE PULSE SIGNAL

钻井液连续脉冲信号频域传输速度计算模型

Numerical Study for Measurement of Shear Wave Velocity in Logging-while-drilling Environment

随钻测井环境中地层横波速度测量的数值研究

The Application of the Fast Drilling Fluid Technology in the West of Qaidam Basin.

快速钻井钻井液技术在柴西地区的应用

A complete set of fast drilling technology used on the well X in the LG area

LG地区X井快速钻井配套工艺技术

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。

Determination of Safe Window of Drilling Fluid Density for Deepwater Drilling

深水钻井安全钻井液密度窗口确定方法研究

Water Base Drilling Fluid Technology for Double-target High Angle Wells.

双靶点大斜度延伸井水基钻井液技术

Effect of Drilling Fluid Density on Neutron Porosity in Underbalanced Drilling

欠平衡钻井条件下钻井液的密度对中子孔隙度测井的影响

To bore(a shaft) with a trepan.

钻用钻井机钻（矿井）