Regular Circulation Bits
Regular circulation bits (Figure 3-3a), have one to three holes drilled in the
dome of the bit. Drilling fluid passes through the bore of the bit, through
the drilled holes, over the cutters, and then to the bottom of the hole, to
flush away the drill cuttings.
Regular circulation bits (Figure 3-3a), have one to three holes drilled in the
dome of the bit. Drilling fluid passes through the bore of the bit, through
the drilled holes, over the cutters, and then to the bottom of the hole, to
flush away the drill cuttings.
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