Some Useful Information on Tricone Drill Bits
Using tricone drill bits for your drilling projects should be considered carefully since there are many different types with different uses. There are many different types of tricone drill bits that you need to understand and why they are important.
The mill tooth drill bits and the sealed bearing drill bits are the most widely used drill bits in the well drilling industry. These are used when drilling goes through soft rock formations like limestone, shale and clay. You will notice that mill tooth bits wear out faster than sealed bearing bits since they are open bearing tricones. And since mill tooth bits have no extra protection, they are much cheaper to manufacture than sealed bearing bits. If you want to save on money, then use the open bearing tricone over the sealed bearing ones.
A tricone bearing that rotates without a seal is an open roller bearing. You don’t spend much manufacturing open roller bearings. However, with this type of tricone bit design, you need to clear it of debris every couple hundred feet of drilling. If you have a deep drilling project, then this could be very time consuming. They are great for shallow drilling and they are widely used when digging a couple hundred feet below the surface because they are cheaper to manufacture.
The polycrystalline diamond or PDC bit is ideal for high speed drilling, and better than the traditional tricone bit. This can be used efficiently when drilling through highly consolidated rock formations like shale, limestone, and sandstone. Because the PDC bit is a specialty bit, it can be broken easily when use on rock formations it was not meant for. The tricone drill bit is the best all-purpose bit and can be used for many different types of rock formations. But when you are drilling through consolidated rock formations, you should consider the PDC bit.
You also benefit from using TCI or tungsten carbide inserts for the tricone drill bit. You can use it form drilling in harder rock formations since it has the ability to withstand heat. When drilling at high speeds using the TCi is ideal since it is very resilient.
It is a great challenge to be able to learn the different types of tricone drill bits and their uses. The important facts given above about the different types of tricones should provide advantages to your drilling projects. What we have discussed above are the advantages of using an open bearing or a sealed bearing drill bit, the benefit of open roller bearing for shallow drilling, when to use a PDC bit over a tricone bit, and the benefits of using the TCI insert on your tricone drill bit.
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