The extraction of petroleum is the process by which usable petroleum is extracted and removed from the earth.

pGeologists use seismic surveys to search for geological structures that may form oil reservoirs. The “classic” method includes making an underground explosion nearby and observing the seismic response that provides information about the geological structures under the ground . However, “passive” methods that extract information from naturally-occurring seismic waves are also known.



img93In geo-technical engineering, drilling fluid is used to aid the drilling of boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling rigs, drilling fluids are also used for much simpler boreholes, such as water wells. Liquid drilling fluid is often called drilling mud. The three main categories of drilling fluids are water-based mud (which can be dispersed and non-dispersed), non-aqueous mud, usually called oil-based mud, and gaseous drilling fluid, in which a wide range of gases can be used.


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List of components of oil drilling rigs

  1. Mud tank
  2. Shale shakers
  3. Suction line(mud pump)
  4. Mud pump
  5. Motoror power source
  6. Vibrating hose
  7. Draw-works
  8. Standpipe
  9. Kelly hose
  10. Goose-neck
  11. Traveling block
  12. Drill line
  13. Crown block
  14. Derrick
  15. Racking Board(Sometimes referred to as the Monkey Board
  16. Stand(of drill pipe)
  17. Setback(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 type
  24. Blowout preventer(BOP) Pipe ram & blind ram
  25. Drill string
  26. Drill bit
  27. Casing heador Wellhead
  28. Flow line