Typical Land Rig
Mud System
                                                                           Drawworks and Top Drive
                                                      Off Drawworks Side
                                                                                               1. Crown               15. Substructure        29. Mud Mixing Pumps       43. Workshop
                                                                                               2. Mast                16. Dog House           30. Mud Pumps              44. Pumps Parts Storage
                                                                                               3. Catline Boom        17. Choke Manifold      31. Pulsation Dampeners    45. Fuel Tank
                                                                                               4. Racking Platform    18. Gas Flare           32. Shock Hoses            46. Junk Bin
                                                                                               5. Drill Line          19. Mud Gas Separator   33. Mud Discharge Lines    47. WireLine Spooler
                                                                                               6. Traveling
                                                                                                  TravellingBlock
                                                                                                             Block    20. Shale Shaker        34. Hydraulic Power Unit   48. Stairway w/Ramp
                                                                                               7. Top Drive           21. Degasser            35. Trip Tank              49. Catwalk
                                                                                               8. Rotary Hose         22. Cuttings Conveyor   36. Tubing Board           50. Drill Pipe
                                                                                               9. Standpipe           23. Mud Cleaner         37. Drilling Water Tank    51. Pipe Rack
                                                                                               10. Drawworks          24. Mud Guns            38. S.C.R. House
                                                                                               11. Drillers Console   25. Mud Agitators       39. Cable Tray
                                                                                               12. Pipe Setback       26. Mud Tanks           40. Engine & Generators
                                                                                               13. Drill Floor        27. Mud Sack Storage    41. Parts Storage
                                                                                               14. Rotary Table       28. Mud Mixing Hopper   42. B.O.P. Closing Unit
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                                                                                               NATIONAL OILWELL VARCO
 c o r p o r a t e m a r k e t i n g @ n o v. c o m
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                                                                                                                                                                                        0001-0486-11 Rev. E