摘要 |
In one aspect, a drill bit is disclosed that in one embodiment may include a bit body, a rotating cutter on the bit body, and a metallic seal between the bit body and the rotating cutter that includes a first seal member, a second seal member having a first end in sealing contact with the first seal member, a second end fixed relative to the first end and a bias member between the first end and the second end that adjusts the load on the first seal member in response to external load applied on the drill bit. |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
LIN, CHIH;DICK, AARON, J.;SCHRODER, JON, D.;ZAHRADNIK, ANTON, F.;FLORES, ALEJANDRO;BRADSHAW, ROBERT, D. |