摘要
介绍了一种新型齿形的复合片钻头,在硬致密泥岩中钻进,与常规复合片钻头相比,具有很高的钻进效率和高的钻头寿命,解决了泥岩钻进效率低的难题。
A PDC bit with new type tooth is introduced. Comparing with ordinary one, it turns low efficiency into very high and provides long service life in driliing in hard and compact mudstone.
出处
《探矿工程（岩土钻掘工程）》
2006年第9期60-61,54,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
齿状
复合片钻头
硬致密泥岩
tooth shape
PDC bit
hard compact mudstone
