Invention Grant
- Patent Title: Drilling systems and hybrid drill bits for drilling in a subterranean formation and methods relating thereto
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Application No.: US15039622Application Date: 2014-12-05
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Publication No.: US10704330B2Publication Date: 2020-07-07
- Inventor: Jeffery Ronald Clausen
- Applicant: National Oilwell DHT, L.P.
- Applicant Address: US TX Conroe
- Assignee: NATIONAL OILWELL DHT, L.P.
- Current Assignee: NATIONAL OILWELL DHT, L.P.
- Current Assignee Address: US TX Conroe
- Agency: Conley Rose, P.C.
- International Application: PCT/US2014/068864 WO 20141205
- International Announcement: WO2015/085212 WO 20150611
- Main IPC: E21B10/14
- IPC: E21B10/14 ; E21B10/16 ; E21B10/20 ; E21B10/50

Abstract:
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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