bit drillingcapability number

用法例句

Variation characteristics of penetrating energy for diamond drilling in weathered granite formation;

金刚石钻进能量在风化花岗岩地层中的变化特征

It is very important for drilling parameters test to better drilling parameters,design drill rig,research on drilling technology.

钻进参数检测对钻进参数优化、钻机设计、钻进工艺研究具有重要作用。

According to the rock characters in Lushan area, the new reasonable technique parameters of the diamond hit was designed and by using suitable drilling parameters and combinable low solid mass mud, great success had been obtained in hard rock big diameter and deep drilling.

根据鹿山区的岩石特点，设计合理的金刚石钻头技术参数，选用合适的钻进参数，应用与之相配套的低固相泥浆，在硬岩深孔大口径钻探中取得成功。

The mutual relations of drilling parameter during petroleum drilling procedure and their effect on the drilling procedure were analyzed,and a model of the differential cost under unit drilling footage was presented.

仔细分析了石油钻进过程中钻进参数之间的关系及对钻进过程的影响作用 ,提出了瞬时单位进尺成本模式 ,并经严格的数学论证 ,证明了目标函数存在最优值 ,从而得出最优控制规律 ,使对石油钻进过程实施最优控制成为可能。

Optimization Research on Drilling Parameter with Downhole Motor;

复合钻进条件下钻进参数优选方法研究

Research on the Working Patterns of Longitudinal Axial Roadheader's Drilling and Parameters Optimization;

纵轴式掘进机钻进工况及其参数优化的研究

Application of T200 Truck-mounted Multi-purpose Drilling Rig in CBM Parameter Well Drilling

T200车载多功能钻机在煤层气参数井钻进中的应用

The Parameters Optimization of the Reverse Circulation DTH Hammer and Studies on Its Drilling Technique;

全孔反循环潜孔锤参数优化及其钻进工艺研究

drilling practice

钻井实践；钻井习用方法；钻井作业；钻井参数

Research on Air Supply Parameter and Design on Dust Collector for Moderate Pressure Air Drilling in Soft Coal Bed

松软煤层中风压空气钻进供风参数研究及除尘装置研制

The Research of Drilling Database Based on SK-DLS and the Primary Practice Used in Drilling Watch;

基于SK录井仪的钻参数据库研究及其用于钻进过程监测的初步实践

Numerical Simulation of Cutting Forces Generated by Drills with Indexable Inserts and Optimization for Drill Parameters;

可转位浅孔钻钻削力数值仿真及参数优化

Numerical simulation of injecting cement design parameters for the large diameter bored pile

大直径钻埋桩压浆设计参数数值仿真

The geometry in the web of a twist drill is the key factor determining the cutting performances of the drill.

麻花钻钻心部分的几何参数,是决定钻头切削性能的关健因素。

Study on New Drilling Force Model of Vibration Drilling and Vibration Drilling with Invariable Parameter and Variable Parameter;

振动钻削新钻削力模型及定、变参数振动钻削的研究

The Better Chosen of the Field Arrangement of the Drill Hole Pulls Out Putting Drills and the Drill Hole Parameter of the Coal Bed Gas in PanJiang Mining Area;

盘江矿区煤层气钻孔抽放钻场布置及钻孔参数优选

Ouantitatively Calculating Method of Rheological Parameters of Jet Drilling Mud

喷射钻井泥浆流变参数定量计算方法

Study on the parameters of highwall auger mining in open pit mine

露天矿高边坡钻孔采矿法的参数研究

Research of Multiparameter Drilling Instrument Based on the Single Chip Computer System;

基于单片机的钻井多参数仪表的研究

The Measurement of Parameters in Well Drilling Based on CAN Fieldbus;

基于现场总线CAN的钻井参数测量

Study of the drilling parameters of NM360 high-strength steels

NM360高强度材料钻削参数的研究

Research and Application of Drilling Parameters Real-Time Optimization

钻井参数实时优选方法的研究与应用