TUBULAR HANDLING APPARATUS A tubular handling assembly (100) for use with a top drive, comprising: a mandrel (110) coupled to the top drive; an actuator (160) for moving gripping elements (155) between a tubular gripping position and a tubular releasing position; a tubular engagement member (624) for engaging a tubular; a clamping indicator (171) coupled to the gripping elements for indicating a position of the gripping elements; and a coupling indicator (172) coupled to the engagement member for indicating a position of the tubular, the coupling indicator including a longitudinally movable elongated member having spaced apart tapered portions and a sensor linked to the elongated member for transverse movement relative thereto in response to engagement with the tapered portions.
申请公布号
AU2016203753(A1)
申请公布日期
2016.06.23
申请号
AU20160203753
申请日期
2016.06.06
申请人
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
发明人
CARLSSON, ANDREAS;HOOKER II, JOHN D.;KOTSCHY, THOMAS;GROSCH, REINHARD;LIESS, MARTIN