Blocked Bit When Drilling With Mud
Have you ever blocked your bit off when drilling with mud and when you pull out you find that the bit and the first one or two drill rods above the bit are full of sand?
Drilling Knowledge
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Drilling Techniques for Mineral Exploration
In this article Dando looks at the three different types of drilling used for mineral exploration and the pros and cons of each.
The Importance of Using a Bit Suited to the Formation to be Drilled
A contractor who purchased a Terrier with rotary capabilities for site investigation work has been in touch with us recently.