1) embrasure clasp
间隙卡环
2) annular clearance
环空间隙
1.
The theories result and comprehensive technique measure is introduced to improve side entry well cementing quantity,annular clearance of slim hole and casing,micro-step hole enlargement technology,slim hole cementing technology and complement are dissertated concretely.
文章分析了辽河油田侧钻井固井质量差、寿命短的原因以及解决方法;介绍了提高侧钻井小井眼固井质量理论成果和综合技术措施,并从小井眼与套管环空间隙、微台阶扩孔技术、小井眼固井技术、固井配套工具等方面展开了具体论述;通过理论研究与现场应用,形成了适合辽河油田特点的提高侧钻井固井质量配套工艺技术。
2.
This paper addresses sidetrack drilling technology in respects of directional sidetracking inside the casing,optimization of annular clearance,slim-hole cementing of reduced narrow clearance,casing failure control for thermal recovery wells and sidetracking with low cost.
从套管内定向开窗侧钻、合理环空间隙优选、异径窄间隙小井眼固井、热采井套管损坏防治、降低成本侧钻等方面对油气井侧钻技术进行了详细分析与研究。
3) clearance of wear-ring
口环间隙
1.
The experiments on different types of impeller are done by changing the clearance of wear-ring to prove that the clearance has no influence on the pump efficiency under various types of impeller.
通过改变叶轮口环间隙的大小对不同叶片型式的低比转速离心泵进行试验,证明口环间隙对低比转速离心泵效率的影响与泵叶轮的叶片的型式无关。
4) annular clearance
环状间隙
补充资料：环空摩耗
分子式：
CAS号：
性质：又称环空摩耗或环空摩阻。在环形空间部分发生的压力损失。
CAS号：
性质：又称环空摩耗或环空摩阻。在环形空间部分发生的压力损失。
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