Pressure Gradient for Drilling
| Pressure Gradient (Mud Weight lbm/gal) Formula | ||
| \( PG \;=\; MW \cdot 0.052 \) (Pressure Gradient) \( MW \;=\; \dfrac{ PG }{ 0.052 }\) | ||
| Symbol | English | Metric | 
| \( PG \) = Pressure Gradient | \(psi\;/\;ft\) | - | 
| \( MW \) = Mud Weight (ppg) | \(lbm\;/\;gal\) | - | 
Pressure gradient, abbreviated as \(p_g\), is the rate of change of pressure with respect to distance. It is typically used to describe pressure variations within a fluid that is not in hydrostatic equilibrium.

| Pressure Gradient (Mud Weight lbf/ft^3) Formula | ||
| \( PG \;=\; MW \cdot 0.006944 \) (Pressure Gradient) \( MW \;=\; \dfrac{ PG }{ 0.006944 }\) | ||
| Symbol | English | Metric | 
| \( PG \) = Pressure Gradient | \(psi\;/\;ft\) | - | 
| \( MW \) = Mud Weight | \(lbf\;/\;ft^3\) | - | 
| Pressure Gradient (Mud Weight dimensionless) Formula | ||
| \( PG \;=\; MW \cdot 0.433 \) (Pressure Gradient) \( MW \;=\; \dfrac{ PG }{ 0.433 } \) | ||
| Symbol | English | Metric | 
| \( PG \) = Pressure Gradient | \(psi\;/\;ft\) | - | 
| \( MW \) = Mud Weight, Specific Gravity | \(dimensionless\) | - | 
| Convert Pressure Gradient (Mud Weight lbm/gal) Formula | ||
| \( MW \;=\; \dfrac{ PG }{ 0.052 } \) (Mud Weight) \( PG \;=\; MW \cdot 0.052 \) | ||
| Symbol | English | Metric | 
| \( MW \) = Mud Weight (ppg) | \(lbm\;/\;gal\) | - | 
| \( PG \) = Pressure Gradient | \(psi\;/\;ft\) | - | 
| Convert Pressure Gradient (Mud Weight lbf/ft^3) Formula | ||
| \( MW \;=\; \dfrac{ PG }{ 0.006944 } \) (Mud Weight) \( PG \;=\; MW \cdot 0.006944 \) | ||
| Symbol | English | Metric | 
| \( MW \) = Mud Weight | \(lbf\;/\;ft^3\) | - | 
| \( PG \) = Pressure Gradient | \(psi\;/\;ft\) | - | 
| Convert Pressure Gradient (Mud Weight dimensionless) Formula | ||
| \( MW \;=\; \dfrac{ PG }{ 0.433 } \) (Mud Weight) \( PG \;=\; MW \cdot 0.433 \) | ||
| Symbol | English | Metric | 
| \( MW \) = Mud Weight, Specific Gravity | \(dimensionless\) | - | 
| \( PG \) = Pressure Gradient | \(psi\;/\;ft\) | - | 
