Drill etching

用法例句

Influencing factors on corrosion of drilling tools in sulfonated drilling fluid;

在钻井施工过程中,普遍存在钻具腐蚀的问题。

The paper introduces the gravity and harmfulness of drill tool corrosion in the well Fugu-1 in the north of Shanxi.

介绍陕北富古 1井钻具腐蚀的严重性及造成的危害 ,分析造成其后果的原因 ,制定解决问题的方法和措施。

The effect of additives used in double brine drilling fluids on drill tool corrosion is studied,and inhibitory mechanism of additives is investigated.

以动态模拟腐蚀失重法、电化学极化电阻法和线性极化曲线法就江汉油田常用复合盐钻井液添加剂对钻具腐蚀的影响进行了研究,并对部分抗蚀性添加剂的缓蚀机理进行了探讨。

This Paper analyses the mechanism of drilling tool corrosion and the corrosion process of 7 corrosive - medium to drilling tool, describes the drilling fluid technology for controlling drilling tool corrosion, discusses the corrosion of H2S to drilling tool and application of sulphur remover.

分析了钻具腐蚀机理和7种主要腐蚀介质对钻具的腐蚀过程,叙述了不同腐蚀介质控制钻具腐蚀的钻井液工艺技术。

After that,an isotropic undercutting process for forming the upper control electrodes and contact bar under the bridge.

通过改进工艺,提出了一种侧向钻蚀刻蚀介质桥膜下金属的方法,获得了平坦的介质桥膜。

Study on the Mechanism of Drilling Tools Corrosion in Drilling Fluids and Inhibitors for This System;

磺化钻井液中钻具腐蚀机理和缓蚀剂的研究

Drilling Tools Anti-corrosion Technology for Well Shengke-1.

胜科1井钻具腐蚀防护技术研究与应用

Study of Corrosion to Drilling Rigs by Solid Free Composive Salt Drilling and Completion Fluids and Its Prevention Technology

无固相复合盐水钻井完井液对钻具腐蚀规律与防护技术研究

The Study of Corrosion Mechanism of Drill Pipe and Pipeline, Inhibition and Mechanism of the Inhibitor for Drill Pipe and Pipeline;

油田钻具、管道系统腐蚀规律及缓蚀剂缓蚀性能和机制研究

Study on Influencing Factors of S135 Drill Pipe Steel Oxygen Corrosion and Corrosion Fatigue;

S135钻杆钢氧腐蚀和腐蚀疲劳影响因素的研究

An acid has the power to corrode metals.

酸具有腐蚀金属的性能。

A substance having the capability or tendency to cause corrosion.

腐蚀剂具有导致腐蚀能力或倾向的物质

Study of Environment-friendly Corrosion Inhibitor for Drill Tool in Saltwater Drilling Fluids;

盐水钻井液用钻具的环保型缓蚀剂的研究

EXPERIMENTAL STUDY OF ABRASIVE-CORROSIVE WEAR OF MUD PUMP LINER

钻井泵缸套材料磨料—腐蚀磨损实验研究

Study on Weary Petroleum Drill Post Corrosion Loses Efficacy Mechanism and Prevention and Cure Measure;

石油钻柱疲劳腐蚀失效机理及防治措施研究

A Research on Failure Mechanism of Drilling String in Interaction of Stresses and Corrosion;

交变应力和腐蚀交互作用下钻柱失效机理研究

Research on H_2S Corrosive Operation Condition for Drill Pipe in G105 Steel

G105钢级钻杆在含有H_2S环境下的腐蚀研究

Experimental study on influence of material property on corrosion fatigue life of drill pipes

材料性能对钻杆腐蚀疲劳寿命影响的试验研究

Good ability in ventilation，less leakage and anti-corrosion.

具有通风量大、泄漏量小、耐腐蚀等特点。

Protects exposed machina tools parts from corrosion.

保护切削工具显露部分,免受腐蚀.

Corrosion and Protection in Drilling Engineering and a New Protective Method

油气钻井工程中的腐蚀防护及一种新的防护方法

The problem of reducing the wear of cutting tools and eroders (the tools applied in erosion processes) also plays its part.

减少切削刀具和腐蚀器(在腐蚀加工中所用的工具)的损耗同样也很重要。

No metal tool may be used in fetching samples from corrosive drugs.

腐蚀性药品避免使用金属制抽样工具取样。