petroleum refining and petrochemicals 1 min read
Equilibrium Flash Vaporization (EFV)
Equilibrium flash vaporization involves heating a flowing feed and the separation of the liquid and vapor in a flash drum.…
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petroleum refining and petrochemicals 5 min read
TBP/ASTM distillation curves
The most important characterization properties of the crude/intermediate/product streams are the TBP/ASTM distillation curves. Both these distillation curves are measured…
petroleum refining and petrochemicals 1 min read
Characterization Factors
Since the early days of the petroleum industry, some physical properties of crude oil were used to define characterization factors…
petroleum refining and petrochemicals 1 min read
Outline of the petroleum refining model
The refinery flow shown above includes all the major secondary refining units in addition to CDU. In particular, since the…
petroleum refining and petrochemicals 1 min read
Structure of the Petroleum Refining/Trade Flow Model
The Petroleum Refining/Trade Flow Model covers 30 countries/regions that correspond with the subjects of the Energy Demand Estimation Model described…
petroleum refining and petrochemicals 3 min read
Structure of the World Energy Demand Estimation Model
The World Energy Demand Estimation Model is an econometric analytical model consisting of an array of demand functions prepared for…
petroleum refining and petrochemicals 4 min read
The process of crude oil refining
Once crude oil is extracted from the ground, it must be transported and refined into petroleum products that have any…
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…
