Drilling
Beginner-friendly guides to drilling oil and gas wells: well planning, casing and cementing, drilling mud, bits, and operational pressures.
Types of Operational Pressures
Drilling engineers work with three main pressures: hydrostatic pressure, overburden pressure and formation pressure. This article explains the first two with their…
The Leak-off Test
The leak-off test (LOT) is the most reliable way to find the maximum mud weight allowed in the open-hole section of a…
Key Pressure Definitions
One of the primary jobs of drilling mud is to control formation pressure, the pressure of the fluids in the rock pores.…
