Directional compound drill bit
Key words:
Directional compound drill bit
PDC-cone composite drill bit is composed of PDC fixed cutting structure and cone cutting structure. The teeth on the cone crush the rock by impact crushing, forming crushing pits at the bottom of the well, making the bottom of the well uneven, while weakening the strength of the rock at the bottom of the well. The auxiliary effect of the tooth wheel is beneficial to the PDC tooth to eat into the formation, and more beneficial to the PDC tooth to break the rock and save the work.
Key words:
Directional compound drill bit
PDC-cone composite drill bit is composed of PDC fixed cutting structure and cone cutting structure. The teeth on the cone crush the rock by impact crushing, forming crushing pits at the bottom of the well, making the bottom of the well uneven, while weakening the strength of the rock at the bottom of the well. The auxiliary effect of the tooth wheel is beneficial to the PDC tooth to eat into the formation, and more beneficial to the PDC tooth to break the rock and save the work.
Key words:
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