reservoir engg 5 min read
How Reservoirs Hold Oil and Gas: Traps and Seals Explained 🏞️⛽
Introduction Deep beneath the Earth’s surface, vast underground reservoirs hold billions of barrels of oil and trillions of cubic feet…
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The Science of Oil Migration: How Petroleum Moves Underground 🏞️⛽
Introduction Oil and natural gas don’t stay in one place—they move! Over millions of years, petroleum migrates from deep source…
reservoir engg 2 min read
GENERALIZED FORM OF INFLOW EQUATION UNDER SEMI-STEADY STATE CONDITIONS
The semi-steady state inflow equation developed in sec. 6.2 appears to be restrictive in that it only applies for a…
reservoir engg 1 min read
THE STABILIZED INFLOW EQUATIONS
The solution of the diffusivity equation under semi-steady state flow conditions has been described in detail in section 6.2 since…
reservoir engg 2 min read
STEADY STATE SOLUTION
The steady state solution of the diffusitivy equation can be derived using precisely the same mathematical steps as for the…
reservoir engg 1 min read
SEMI-STEADY STATE SOLUTION
The radial diffusivity equation, (5.20), will be solved under semi-steady state flow conditions for the geometry and radial pressure distribution…
reservoir engg 2 min read
CONDITIONS OF SOLUTION
In principle, an infinite number of solutions of equ. (5.1 ) can be obtained depending on the initial and boundary…
reservoir engg 2 min read
DERIVATION OF THE BASIC RADIAL DIFFERENTIAL EQUATION
The basic differential equation will be derived in radial form thus simulating the flow of fluids in the vicinity of…
reservoir engg 2 min read
THE MECHANICS OF SUPPLEMENTARY RECOVERY
Supplementary recovery results from increasing the natural energy of the reservoir, usually by displacing the hydrocarbons towards the producing wells…
reservoir engg 3 min read
TWO-PHASE FLOW: EFFECTIVE AND RELATIVE PERMEABILITIES
In describing Darcy’s law, it has so far been assumed that the permeability is a rock property which is a…
reservoir engg 2 min read
FLUID POTENTIAL
Every branch of science and engineering has its own particular heroes, one only has to think, for example, of the…
reservoir engg 4 min read
COMPACTION DRIVE AND RELATED PORE COMPRESSIBILITY PHENOMENA
The withdrawal of liquid or gas from a reservoir results in a reduction in the fluid pressure and consequently an…