Applied Drilling Formulas
- Drill Collar Weight for Vertical Wells
- Drill Collar Weight for Deviated Wells
- Effective Mud Density
- Equivalent Circulating Density (ECD) Using Yield Point for MW less than or equal to 13 ppg
- Equivalent Circulating Density (ECD) Using Yield Point for MW more than 13 ppg
- Lag time
- Light weight spot fill to balance formation pressure
- Loss of hydrostatic pressure due to filling water into annulus in case of lost return
- Margine of Overpull
- Maximum ROP Before Fracturing Formation
- Pipe Elongation Due to Temperature
- Pressure Required to Break Circulation inside Drillstring
- Pressure Required to Break Circulation in Annulus
- Triplex Pump Output
- Duplex Pump Output
- Pump Pressure and Pump Stroke Relationship – Simple Formula
- Pump Pressure and Pump Stroke Relationship – Advanced Formula
- Stuck Depth
- Free Point Constant for Stuck Pipe Calculation
- Stuck Pipe Calculation – Not Know Free Point Constant
- Ton Miles Calculation
- Volume of Cutting Generated While Drilling
- Accumulator Capacity for Surface Stack
- Accumulator Capacity for Subsea Stack