A short, practical course for fresh well engineers. Read a chapter, run the numbers on a working calculator, see it drawn, then test yourself. Calculators take depths in metres and pressures in psi; switch to feet any time with the m / ft button at the top.
Open a chapter for the plain-language summary, the five things you must know on site, and the tools that go with it. Mark it done when you are happy with it.
Change any input and the result, the drawing and the calculation sheet update together. Each tool loads with a worked example you can check by hand.
Generic drawings of typical equipment, made for learning. Always follow the actual stack drawing and BHA sheet for your rig.
Pick an answer to see the explanation. 24 or more (80%) is a pass.