Sequencing for pipe handling
AssigneeSchlumberger Technology Corporation
InventorsJan Alvaer, Christian Doennestad Nilssen, Joe Rodney Berry
Life of this patent
Estimating the term…
Abstract
A method sequence for handling tubulars into or out of a wellbore, the method comprising: moving a tubular string into or out of a wellbore via a top drive; moving tubular stands to and from a setback position and a stand handoff position via a transfer bridge racker and a setback guide arm; moving tubular stands to and from the stand handoff position and a well center position via a tubular delivery arm and a lower stabilizing arm; building stands and breaking down stands offline via a mousehole and operating a roughneck on joints between the tubular stands and the tubular string.
Claims20
A method for performing a wellbore operation via a drill rig, the method comprising:
- moving a tubular string relative to the wellbore via a top drive;
- moving a tubular stand between a setback position and a stand handoff position via a transfer bridge racker and a setback guide arm;
- moving the tubular stand between the stand handoff position and a well center position via the top drive and a lower stabilizing arm;
- and
- operating a roughneck on a joint between the tubular stand and the tubular string.
A method for performing operations via a drill rig, the method comprising:
- drilling a wellbore by rotating a drill string via a top drive;
- setting slips at a floor of the drill rig so that the drill string is at a stickup height relative to the floor of the drill rig;
- breaking out a respective connection between the top drive and the drill string;
- moving a drill string stand from a setback position to a stand handoff position;
- moving a drill string stand from the stand handoff position to a well center position via a lower stabilizing arm;
- making up a joint between the drill string stand and the drill string to form an extended drill string;
- making up a respective connection between the extended drill string stand and the top drive;
- opening the slips at the floor of the drill rig;
- continuing drilling the wellbore by rotating the extended drill string via the top drive;
- breaking out a respective connection between the top drive and the extended drill string;
- moving a tubular single from a catwalk machine to the well center position via the lower stabilizing arm;
- and
- making up a respective joint between the tubular single and the extended drill string.
Dependencies are inferred from the claim text.