Changes

{| class = "wikitable"

{| class = "wikitable"

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! Petrological information

! Petrological information || Exploration significance || Exploration application

! Exploration significance

! Exploration application

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| Oil-filled fluid inclusions in reservoir or carrier beds

| Oil-filled fluid inclusions in reservoir or carrier beds || Indicates migration pathways and absolute timing of migration || Migration routes that existed during migration

| Indicates migration pathways and absolute timing of migration

| Migration routes that existed during migration

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| Oil-filled fluid inclusions in seals

| Oil-filled fluid inclusions in seals || Indicates leaky seals and timing of [[leakage]] || [[Hydrocarbon column|Column]] height may be small and/or [[Dip|updip]] (spilled) accumulations may exist

| Indicates leaky seals and timing of [[leakage]]

| [[Hydrocarbon column|Column]] height may be small and/or [[Dip|updip]] (spilled) accumulations may exist

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| Primary [[porosity]] preservation

| Primary [[porosity]] preservation || Indicates facies patterns may control hydrocarbon distribution || Map depositional facies

| Indicates facies patterns may control hydrocarbon distribution

| Map depositional facies

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| Dissolution porosity present

| Dissolution porosity present || Diagenesis may be critical for trap location; mineralogy and/or facies may control location of dissolution porosity || Use [[sequence stratigraphy]], hydrologic, or thermal maturity models.<ref name=ch21r41>Tobin, R., C., 1991a, Diagenesis, thermal maturation and burial history of the Upper Cambrian Bonneterre Dolomite, southeastern Missouri: an interpretation of thermal history from petrographic and fluid inclusion evidence: Organic Geochemistry, vol. 17, no. 2, p 142–152.</ref><ref name=ch21r42>Tobin, R., C., 1991b, Pore system evolution vs. paleotemperature in carbonate rocks: a predictable relationship?: Organic Geochemistry, vol. 17, no. 2, p. 271., 10., 1016/0146-6380(91)90087-Z</ref><ref name=ch21r38>Read, J., F., Kerans, C., Sarg, J., F., Wright, F., M., 1995, Milankovitch Sea-Level Changes, Cycles, and Reservoirs on Carbonate Platforms in Greenhouse and Ice-House Worlds: SEPM Short Course 35, 79 p.</ref><ref name=ch21r52>Wilson, M., D., ed., 1994, Reservoir quality Assessment and Prediction in Clastic Rocks: SEPM (Society of Sedimentary Geology) Short Course 30, 432 p.</ref>

| Diagenesis may be critical for trap location; mineralogy and/or facies may control location of dissolution porosity

| Use [[sequence stratigraphy]], hydrologic, or thermal maturity models.<ref name=ch21r41>Tobin, R., C., 1991a, Diagenesis, thermal maturation and burial history of the Upper Cambrian Bonneterre Dolomite, southeastern Missouri: an interpretation of thermal history from petrographic and fluid inclusion evidence: Organic Geochemistry, vol. 17, no. 2, p 142–152.</ref><ref name=ch21r42>Tobin, R., C., 1991b, Pore system evolution vs. paleotemperature in carbonate rocks: a predictable relationship?: Organic Geochemistry, vol. 17, no. 2, p. 271., 10., 1016/0146-6380(91)90087-Z</ref><ref name=ch21r38>Read, J., F., Kerans, C., Sarg, J., F., Wright, F., M., 1995, Milankovitch Sea-Level Changes, Cycles, and Reservoirs on Carbonate Platforms in Greenhouse and Ice-House Worlds: SEPM Short Course 35, 79 p.</ref><ref name=ch21r52>Wilson, M., D., ed., 1994, Reservoir quality Assessment and Prediction in Clastic Rocks: SEPM (Society of Sedimentary Geology) Short Course 30, 432 p.</ref>

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| Postmigration burial cements present

| Postmigration burial cements present || Indicates potential cementation of water leg || Map diagenetic facies

| Indicates potential cementation of water leg

| Map diagenetic facies

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