- 专利标题: Drilling systems and hybrid drill bits for drilling in a subterranean formation and methods relating thereto
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申请号: US16885460申请日: 2020-05-28
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公开(公告)号: US10988988B2公开(公告)日: 2021-04-27
- 发明人: Jeffery Ronald Clausen
- 申请人: National Oilwell DHT, L.P.
- 申请人地址: US TX Conroe
- 专利权人: National Oilwell DHT, L.P.
- 当前专利权人: National Oilwell DHT, L.P.
- 当前专利权人地址: US TX Conroe
- 代理机构: Conley Rose, P.C.
- 主分类号: E21B10/14
- IPC分类号: E21B10/14 ; E21B10/20 ; E21B10/16 ; E21B10/50
摘要:
Drill bits and methods relating thereto are disclosed. In an embodiment, the drill bit includes a body having a plurality of legs each having a lower section that has a leading surface and a trailing surface. A plurality of cone cutters are each rotatably mounted to the lower section of one of the legs, each having a cone axis, and including a first plurality of cutter elements arranged about the cone axis such that each is shear the formation when the body is rotated about the bit axis.
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