![]() A careful, quantitative assessment is needed to determine if the incremental production will outweigh the additional cost. Operators are always seeking new technologies to enhance this recovery, and while many technologies have proven to be effective, the cost associated with these methods is often substantial. Primary recovery in unconventional reservoirs varies but is generally less than 10% according to the Energy and Environmental Research Center (EERC). One of the main challenges in these exceptionally low permeability plays is maintaining production, as individual wells tend to exhibit a steep decline with time. Oil production from unconventional reservoirs has increased significantly over the past decade and accounts for more than half of the total oil production in the US.
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