Changes

==Oil-source rock correlation==

==Oil-source rock correlation==

[[file:petroleum-systems_fig3-10.png|300px|thumb|{{figure number|4}}From Cornford.<ref name=ch03r3 />]]

[[file:petroleum-systems_fig3-10.png|300px|thumb|{{figure number|4}}Biological marker analysis by Mackenzie et al.<ref name=ch03r6 /> and Hughes et al.<ref name=ch03r5 /> from reservoirs in the Greater Ekofisk, Forties, Montrose, and Argyll fields shows that these oils originated from the Mandal Formation source rockFrom Cornford.<ref name=ch03r3 />]]

The oil-source rock correlation is a multiparameter geochemical approach; biological markers are one parameter. Biological marker analysis by Mackenzie et al.<ref name=ch03r6>Mackenzie, A., S., Maxwell, J., R., Coleman, M., L., 1983, Biological marker and isotope studies of North Sea crude oils and sediments: Proceedings of the 11th World Petroleum Congress, London, Section PD1(4), p. 45–56.</ref> and Hughes et al.<ref name=ch03r5>Hughes, W., B., Holba, A., G., Miller, D., E., Richardson, J., S., 1985, Geochemistry of the greater Ekofisk crude oils, in Thomas, B., M., eds., Petroleum Geochemistry in the Exploration of the Norwegian Shelf: London, Graham and Trotman, p. 75–92.</ref> from reservoirs in the Greater Ekofisk, Forties, Montrose, and Argyll fields shows that these oils originated from the Mandal Formation source rock, as illustrated in [[:file:petroleum-systems_fig3-10.png|Figure 4]].

The oil-source rock correlation is a multiparameter geochemical approach; biological markers are one parameter. Biological marker analysis by Mackenzie et al.<ref name=ch03r6>Mackenzie, A., S., Maxwell, J., R., Coleman, M., L., 1983, Biological marker and isotope studies of North Sea crude oils and sediments: Proceedings of the 11th World Petroleum Congress, London, Section PD1(4), p. 45–56.</ref> and Hughes et al.<ref name=ch03r5>Hughes, W., B., Holba, A., G., Miller, D., E., Richardson, J., S., 1985, Geochemistry of the greater Ekofisk crude oils, in Thomas, B., M., eds., Petroleum Geochemistry in the Exploration of the Norwegian Shelf: London, Graham and Trotman, p. 75–92.</ref> from reservoirs in the Greater Ekofisk, Forties, Montrose, and Argyll fields shows that these oils originated from the Mandal Formation source rock, as illustrated in [[:file:petroleum-systems_fig3-10.png|Figure 4]].