1) Drill etching
钻蚀
2) corrosion of drilling tools
钻具腐蚀
1.
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。
3) drill tool corrosion
钻具腐蚀
1.
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。
2.
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。
4) drilling tool corrosion
钻具腐蚀
1.
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。
5) isotropic undercutting
侧向钻蚀
1.
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。
6) underetch
钻蚀效应
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条