PDC Multi-stage Tower Drill BitsPDC
With professional and productive factory, HAINAISEN is one of the leading China button bit manufacturers. Welcome to wholesale button bit from us, we always have cheap products to offer you.
The first well washing circulation can't stop, should pay attention to the washing liquid from the wellhead outflow. The second is to pump unexpected problems led to stop, immediately raising a drill bit, in order to avoid being sand. Third bit nozzle is smaller, the way should be to prevent the nozzle is blocked.
a point, in addition to rolling out there, drilling teeth do rolling cutting effect, the bottom gradually being broken, so successfully drilled through strata.
Method of operation
1 measurements of good size, matching the corresponding joint.
2 well check each bit roller flexibility, loose or not, connection of drilling tools.
3 to the bottom, the rotating disk, to be smooth, then slowly down, all the sand flushing as well.
Gradually add pressure to 4 bit, the intensity should not be too large, otherwise the bit may lead to deformation or wheel fall off slowly.
5 drilling speed must be just perfect, drilling cement fifty to seventy drill more appropriate.
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