On the Use of Circulating Mud in Drilling in Kawayama Mine, Yamaguchi-Ken
1964 Volume 14 Issue 64 Pages 88-95
Details
1964 Volume 14 Issue 64 Pages 88-95
Up to date, many metal mines are using of circulating mud in prospecting diamond drills.
Since 1960, the writer has been experimenting on the circulating mud method. This paper explains the outline of the circulating mud method, adjustment of mud fluid and merits of this method as follows :
1. Increase in drilling speed.
2. Lowering of drilling cost per meter.
3. Prevention of hole wall caving.
4. Rapid and perfect removal of slime in the drill hole.
5. Mobilization of rods.
