Changes

==Production history characteristics for drives==

==Production history characteristics for drives==

The graphs below show oil reservoir production history characteristics for water, gas expansion, and gas solution drives. To predict reservoir drive type, if possible, plot the production history of nearby fields with analogous reservoir systems and compare with these graphs.

[[:file:predicting-reservoir-system-quality-and-performance_fig9-8.png|Figure 1]] shows oil reservoir production history characteristics for water, gas expansion, and gas solution drives. To predict reservoir drive type, if possible, plot the production history of nearby fields with analogous reservoir systems and compare with these graphs.

[[file:predicting-reservoir-system-quality-and-performance_fig9-8.png|thumb|{{figure number|9-8}}Modified. Copyright: Levorsen, 1954; courtesy W.H. Freeman and Co.]]

[[file:predicting-reservoir-system-quality-and-performance_fig9-8.png|thumb|{{figure number|1}}Modified. Copyright: Levorsen, 1954<ref name=Levorsen_1954>Levorsen, A. I., Geology of Petroleum: San Francisco, W. H. Freeman, 703 p.</ref>; courtesy W.H. Freeman and Co.]]

==Recoveries of oil vs. gas reservoirs==

==Recoveries of oil vs. gas reservoirs==