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You are here: Home » News » Carbide drilling considerations

Carbide drilling considerations

Views:0     Author:Site Editor     Publish Time: 2018-01-12      Origin:Site

1. To keep drilling pressure evenly, drilling or drilling parameters should not be unreasonable to change drilling parameters.

After driving down the rod, the bottom hole pressure should be reduced.

Found abnormal holes, such as paste drilling, water hold or core plug, the treatment is invalid, should immediately put the drill.

2. coring to choose the appropriate material or retainer.

After the card into the tablets should be punched for a period of time, until the card to reach the drill bit after the car, mining heart, do not raise the drilling rig.

3. There are carbide holes on the bottom of the hole, you must try to get rid of the net or off.

4. Use rib drill or scraper bit drilling, should promptly sweep the hole.


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