Engineering Concepts Made Easier
Building on engineering fundamentals and making engineering concepts easier
Formation Volume Factor (Bo)
The produced volumes measured at surface conditions are never equal to the volumes at reservoir conditions because of the differences ...
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Material Balance Drive Indices
Previously we presented the macroscopic material balance equation. It includes many terms that can bog you down if you do ...
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Material Balance Introduction
The material balance equation is one of the fundamental equations a reservoir engineer needs to understand. Some of it's applications ...
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Isothermal Compressibility
In petroleum engineering everything has compressibility including rocks, oil, and water. It's not just gases anymore. The concept of compressibility ...
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Fracture Pressure
Previously, we applied solid mechanics to determine the stress condition on a rock in the horizontal direction. So how does ...
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Rock Matrix Horizontal Stress
Previously, we learned that the rock in the formation is subject to a vertical compression load called the effective stress ...
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Rock Matrix Stress
When dealing with rocks, we are always interested in the fracture pressure. One application of fracture pressure is in drilling ...
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Overburden Pressure: What is it and Why is it important?
Overburden pressure is the vertical stress imposed by the overlying formation at a reference point below the surface. In other ...
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Bulk Density
In its simplest form, the subsurface consists of two things: 1) Rock grains and 2) fluid. Because we as petroleum ...
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