Maximum Efficiency Rate (MER)

Definition - What does Maximum Efficiency Rate (MER) mean?

Maximum Efficiency Rate refers to the maximum sustainable daily gas or oil withdrawal rate from reservoirs that permit depletion and also the economic development without providing any damage to the ultimate recovery. It is the maximum rate at which the gas or oil can be produced without harming the natural energy in the reservoirs. If the oil or gas is extracted at a greater rate than the reservoir Maximum Efficiency Rate, the natural pressure of the reservoir gets declined which results in decrease of amount of oil which is ultimately recoverable.

Petropedia explains Maximum Efficiency Rate (MER)

The Maximum Efficiency Rate is the well production rate which determines the maximum volumetric recovery of reservoirs with minimum residual oil saturation at the depletion. It is commonly used to denote the rate of field production that can achieve maximum rate of financial returns from the reservoir operation. However, the figures of two rates hardly coincide. The computed Maximum Efficiency Rate can be used as a cost effective tool for reserve potential evaluation for the preliminary assessment of the column properties of oil.

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