The drilling window is the safe operating range between pore pressure and fracture gradient.
If wellbore pressure is below the window, formation fluids can enter the well. If it is above the window, the formation can fracture and take losses.
The drilling window is the safe operating range between pore pressure and fracture gradient.
If wellbore pressure is below the window, formation fluids can enter the well. If it is above the window, the formation can fracture and take losses.