Category: Product Tutorial

1 Soft formation better choose steel tricone bit, e.g mud
2 Hard formation better choose tci tricone bit, e.g limestone
3 Open bearings, air bearing, roller bearing are mostly used in mining projects
4 Roller bearing, journal bearing are mostly used in water well drilling projects
5 According to compressive strength to choose tricone bit

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History of tricone drill bit
In 1909, Howard R.Hughes, an American, obtained the first patent of the roller cone bit. At that time, the rotary drill used a scraper bit, which could only hit the very soft ground. The hard ground could not be scraped, so it could only use a rotary drill.Not so good.