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Gas→Oil Displacement Efficiency = EDog

Created by Arthur Aslanyan (Nafta College), last modified on Sep 25, 2021

Displacement Efficiency (ED) of oil in response to gas sweep:

(1)	$\begin{array}{l}\displaystyle E_{Dog} = 1- \frac{V_{o, \ LEFT}}{V_{o, \ INITITAL}} = \frac{1-s_{wi}-s_{org}}{1-s_{wi}}\end{array}$

where $\begin{array}{l}s_{wi}\end{array}$ – initial water in oil pay, $\begin{array}{l}s_{org}\end{array}$ – residual oil to gas sweep.

See also

Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics

[ Permeability ] [ Absolute permeability ] [ Relative permeability ] [Relative permeability @model ] [ Displacement Efficiency (ED) ]

[ Water→Oil Displacement Efficiency (ED_ow) ]

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