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| Reservoir performance and formation permeabilities are negatively impacted by presence of detrital or authigenic clays (very common)

| Reservoir performance and formation permeabilities are negatively impacted by presence of detrital or authigenic clays (very common)

| Identify and map reservoir facies with the least detrital clay content; avoid treatment of formation by acidization or injection of any fluids; use oil-based muds; enhance recovery through artificial fracturing of the formation<ref name=pt06r93>Moslow, T. F., Tillman, R. W., 1986, Sedimentary facies and reservoir characteristics of Frontier Formation sandstones, southwestern Wyoming, in Spencer, C. W., Mast, R. F., eds., Low [[Permeability]] Sandstone Reservoirs: Studies in Geology Series 24, p. 271–295.</ref>

| Identify and map reservoir facies with the least detrital clay content; avoid treatment of formation by acidization or injection of any fluids; use oil-based muds; enhance recovery through artificial fracturing of the formation<ref name=pt06r93>Moslow, T. F., Tillman, R. W., 1986, [http://archives.datapages.com/data/specpubs/resmi1/data/a066/a066/0001/0250/0271.htm Sedimentary facies and reservoir characteristics of Frontier Formation sandstones, southwestern Wyoming], in Spencer, C. W., Mast, R. F., eds., Geology of Tight Gas Reservoirs: AAPG Studies in Geology Series 24, p. 271–295.</ref>

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| Reservoir performance is dictated by origin and distribution of natural fractures

| Reservoir performance is dictated by origin and distribution of natural fractures

| Evaluate the relationship between fracture occurrence and lithology<ref name=pt06r100>Pitman, J. K., Sprunt, E. S., 1986, Origin and distribution of fractures in Lower Tertiary and Upper Cretaceous rocks, Piceance basin, Colorado, and their relation to the occurrence of hydrocarbons. AAPG Studies in Geology, n. 24, p. 221–234.</ref>

| Evaluate the relationship between fracture occurrence and lithology<ref name=pt06r100>Pitman, J. K., Sprunt, E. S., 1986, [http://archives.datapages.com/data/specpubs/resmi1/data/a066/a066/0001/0200/0221.htm Origin and distribution of fractures in Lower Tertiary and Upper Cretaceous rocks, Piceance basin, Colorado, and their relation to the occurrence of hydrocarbons] in Spencer, C. W., Mast, R. F., eds., Geology of Tight Gas Reservoirs: AAPG Studies in Geology Series 24, p. 221–234.</ref>

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| Fracture mineralization impacts reservoir performance.

| Fracture mineralization impacts reservoir performance.