3. Pipe indexers and Kickers move single joint of drill pipe onto catwalk from pipe rack.
4. Drill pipe doped and tallied automatically in horizontal position.
5. First joint of pipe conveyed outward on catwalk (away from well center) allowing next joint to move into catwalk trough.
6. Second joint of drill pipe doped and positioned to Make/Break wrench.
7. First joint spun up and torqued to second.
8. Double stand conveyed outward on catwalk. Third joint of drill pipe moves onto catwalk.
9. Third joint added to built triple stand.
10. Stand arm grips triple stand.
12. Stand arm grips, lifts, and pulls triple stand to the drill floor.
13. Triple stand handed off to top drive elevators. Stand arm gripper opens allowing the top drive to raise assembled pipe through stand arm rollers.
15. Stand arm positions to support triple stand as Top Drive rises.
16. Stabbing Guide tails triple stand off stand arm rollers giving pipe to well center.
17. Triple stand stabbed at well center.
18. Joint of casing positioned onto catwalk.
20. Power skate pushes single joint of casing or drill collars to drill floor.
21. Stabbing Guide moves joint to well center and positions to stab.
© 2008 Iron Derrickman Ltd.
All Rights Reserved
