Diagram of an Oil Drilling Rig Tower Fotoplatte

Oil drilling rig, simple illustration. Legend: * 1. Mud tank * 2. Shale shakers * 3. Suction line (mud pump) * 4. Mud pump * 5. Motor or power source * 6. Vibrating hose * 7. Draw-works (winch) * 8. Standpipe * 9. Kelly hose * 10. Goose-neck * 11. Traveling block * 12. Drill line * 13. Crown block * 14. Derrick * 15. Monkey board * 16. Stand (of drill pipe) * 17. Pipe rack (floor) * 18. Swivel (On newer rigs this may be replaced by a top drive) * 19. Kelly drive * 20. Rotary table * 21. Drill floor * 22. Bell nipple * 23. Blowout preventer (BOP) Annular * 24. Blowout preventers (BOPs) pipe ram & shear ram * 25. Drill string * 26. Drill bit * 27. Casing head * 28. Flow line http://commons.wikimedia.org/wiki/File:Oil_Rig_NT8.svg