Patent ID: 9175526
Filing Date: 2015-11-03
Classification: E21B

Abstract:
1. A top drive system, comprising: a housing; a motor at least partially disposed within the housing; a quill coupled with the motor and configured to be rotated by the motor about an axis of the quill; a channel through the quill; a coupling feature proximate a distal end of the quill configured to facilitate coupling the quill with tubular or equipment; a winch coupled with the housing, the winch comprising flexible line and a spool, wherein the winch is configured to rotate the spool in a first direction to wind the flexible line about the spool and rotate the spool in a second direction to release the flexible line from the spool; and an attachment feature of the flexible line coupled to a distal end of the flexible line, wherein the attachment feature comprises a plurality of prongs configured to expand radially outward from the attachment feature to couple the attachment feature to the tubular or equipment.