COAL ENGINEERING ›› 2018, Vol. 50 ›› Issue (3): 158-160.doi: 10.11799/ce201803040
Previous Articles Next Articles
Received:
Revised:
Online:
Published:
Abstract: Abstract:In order to solve the problem of the short life of the Ream bit while secondary reaming in underground coal mine well ,this paper analyzes the cutting principle of PDC reaming bits, PDC reaming drill for the retrofit design, the field tests show that the modified Ream Bit has a single life of 800 meters above, which can be used in Directional high level borehole.
CLC Number:
TD421.2
0 / / Recommend
Add to citation manager EndNote|Reference Manager|ProCite|BibTeX|RefWorks
URL: http://www.coale.com.cn/EN/10.11799/ce201803040
http://www.coale.com.cn/EN/Y2018/V50/I3/158