Basic Formulas

  1. Pressure Gradient
  2. Hydrostatic Pressure
  3. Converting Pressure into Mud Weight
  4. Specific Gravity
  5. Equivalent Circulating Density
  6. Maximum Allowable Mud Weight
  7. Pump Output
  8. Annular Velocity
  9. Capacity Formula
  10. Control Drilling
  11. Buoyancy Factor 12. Hydrostatic Pressure Decrease POOH
  12. Loss of Overbalance Due to Falling Mud Level
  13. Formation Temperature
  14. Hydraulic Horsepower
  15. Drill Pipe/Drill Collar Calculations
  16. Pump Pressure/ Pump Stroke
  17. Relationship
  18. Cost Per Foot
  19. Temperature Conversion Formulas
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