The course is designed for drilling operational staff and drilling engineers. The objective of the course is to determine subsurface wellbore pressures during drilling operations under static and dynamic conditions. It starts with a calculation of hydrostatic pressure using high school mathematical equations and physical laws governing fluid dynamics. After refreshing basic concepts, the course explores how to calculate the forces and stresses in submerged tubular, the density of drilling fluids required to drill safely and efficiently, various rheological models for calculating frictional pressure losses in tubular and in annulus, the surge and swab pressures while moving the drill string, optimizing drilling rates by calculating the size of bit nozzle and optimizing the annular velocity for efficient cutting removal from the wellbore.
Introduction to Oil & Gas Drilling
Drilling fluid properties
Fluid Mechanics
Well Control
Formation Pressure
Prediction of Fracture Gradient
Basic Laws of Fluid Flow
Rheological Models
Bit Hydraulics
Hole Cleaning in Vertical Wells
Hole Cleaning in Directional Wells
Swab and Surge