DRILL BIT WITH AN ADJUSTABLE STEERING DEVICE
    15.
    发明公开

    公开(公告)号:EP3683398A1

    公开(公告)日:2020-07-22

    申请号:EP20158801.9

    申请日:2010-08-04

    摘要: A drill bit (500; 600; 800; 950) is provided that in one embodiment may include a force application device (960) on a drill bit body (510; 610; 810), wherein the force application device (960) includes a force application member (502; 602; 802; 962) pivotally coupled to the drill bit (500; 600; 800; 950) and configured to extend from the drill bit body (510; 610; 810) to apply force on a wellbore wall when the drill bit (500; 600; 800; 950) is used to drill a wellbore (910), and an actuator configured to actuate the force application member (502; 602; 802; 962) to apply force on a wellbore wall during drilling of the wellbore (910).