Tricone carbide drill Precautions

1.Must be in the bottom tipped drill bit clean, mine can only go down when no litter use. Wells must be salvaged if litter clean. In drilling using the drill will squeeze into small pieces the iron wall approach is not desirable. Mine have hit a hard object hit, alloy teeth very easily broken, and broken tooth alloy cone will damage other teeth and the matrix, the bit early damage.
2.Reduce or downhole wellbore, when needed Nagai segment reaming, you can not use tipped drill bit. Because reaming cone outer rows of teeth so that larger reaction force by the wall, causing the back of the cone and the cone palm sharp tooth wear, the drill necking, early seal failure, premature bearing damage or even rupture cone pan into the fire accident .
3.Local surface equipment damage, lack of power, pipeline washout, weight indicator is not working as well as the drilling fluid performance does not meet the requirements or purification device while achieving the desired effects should not be the servant tipped drill bit, in order to avoid the occurrence of underground economic losses caused by the accident.
4.The new tricone tungsten carbide drill oil soaked and can not forcibly activities cone.