What is the difference between a PDC drill and a tricone bit?

The main differences between PDC drill bits and tricone bits are as follows:

1. Different structure:

PDC drill bits are usually round with a polycrystalline diamond composite; tricone bits are triangular in shape.

2. Different drilling methods:

PDC drill bits are mainly used for rotary drilling, whereas tricone bits may rely more on impact and compression drilling.

3. Different rock formations:

PDC drill bits are suitable for soft to medium-hard formations; Tricone bits may be more suitable for specific formations or conditions.

4. Different drilling results:

PDC drills are relatively efficient and produce regular holes; Tricone drills may be better at breaking up hard rock under certain conditions, but the quality of the hole may vary.