Study of the Present and Fossil Cold Seeps in the Northern Apennines (Italy) to Define the Total Petroleum System

R. Capozzi, D. Oppo, V. Picotti, A. Ponza

Research output: Contribution to conferenceAbstract

Abstract

A geochemical study on fluids from selected spontaneous seepages and drilled wells was carried out together with geologic investigation and deep cross-sections reconstruction, to examine the Petroleum System in the western Northern Apennines foothills. The foredeep deformation of the Northern Apennines foothills is mainly late Miocene to Pliocene in age. The comparison of the fluids from the wells and the mud volcanoes evidences different generation and migration steps, depending on burial conditions and deformation time.The achieved results suggest the occurrence of a common source rock deeper than the Tertiary reservoirs,which progressively entered in the oil window.A regional example of Methane Derived Authigenic Carbonates in shallow water setting is represented by the chimneys field exposed along the Enza riverbanks in the Lower Pleistocene deposits of the NorthernApennines. Within the Enza succession, methane leakage still occurs, showing δ13C isotopic values of about -70‰, indicating a biogenic origin; methane generated within the Plio-Pleistocene mudstones occurring in the subsurface of the Po plain. The improvement of the study on these fluid seepages gives further information to unravel the different fluids involved in MDAC formation and the fluid flow history,thus enhancing the understanding of the hydrocarbon potential in the foredeep.
Original languageEnglish
Number of pages5
DOIs
Publication statusPublished - 23 Nov 2014
EventEAGE Shallow anomalies workshop: indication of prospective petroleum systems? - Malta, Malta
Duration: 23 Nov 201426 Nov 2014

Workshop

WorkshopEAGE Shallow anomalies workshop: indication of prospective petroleum systems?
CountryMalta
Period23/11/1426/11/14

Fingerprint

cold seep
petroleum
fossil
fluid
methane
forearc basin
seepage
Pleistocene
well
mud volcano
source rock
mudstone
leakage
fluid flow
Pliocene
shallow water
cross section
Miocene
hydrocarbon
carbonate

Cite this

Capozzi, R., Oppo, D., Picotti, V., & Ponza, A. (2014). Study of the Present and Fossil Cold Seeps in the Northern Apennines (Italy) to Define the Total Petroleum System. Abstract from EAGE Shallow anomalies workshop: indication of prospective petroleum systems?, Malta. https://doi.org/10.3997/2214-4609.20147366

Study of the Present and Fossil Cold Seeps in the Northern Apennines (Italy) to Define the Total Petroleum System. / Capozzi, R.; Oppo, D.; Picotti, V.; Ponza, A.

2014. Abstract from EAGE Shallow anomalies workshop: indication of prospective petroleum systems?, Malta.

Research output: Contribution to conferenceAbstract

Capozzi, R, Oppo, D, Picotti, V & Ponza, A 2014, 'Study of the Present and Fossil Cold Seeps in the Northern Apennines (Italy) to Define the Total Petroleum System' EAGE Shallow anomalies workshop: indication of prospective petroleum systems?, Malta, 23/11/14 - 26/11/14, . https://doi.org/10.3997/2214-4609.20147366
Capozzi R, Oppo D, Picotti V, Ponza A. Study of the Present and Fossil Cold Seeps in the Northern Apennines (Italy) to Define the Total Petroleum System. 2014. Abstract from EAGE Shallow anomalies workshop: indication of prospective petroleum systems?, Malta. https://doi.org/10.3997/2214-4609.20147366
Capozzi, R. ; Oppo, D. ; Picotti, V. ; Ponza, A. / Study of the Present and Fossil Cold Seeps in the Northern Apennines (Italy) to Define the Total Petroleum System. Abstract from EAGE Shallow anomalies workshop: indication of prospective petroleum systems?, Malta.5 p.
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AB - A geochemical study on fluids from selected spontaneous seepages and drilled wells was carried out together with geologic investigation and deep cross-sections reconstruction, to examine the Petroleum System in the western Northern Apennines foothills. The foredeep deformation of the Northern Apennines foothills is mainly late Miocene to Pliocene in age. The comparison of the fluids from the wells and the mud volcanoes evidences different generation and migration steps, depending on burial conditions and deformation time.The achieved results suggest the occurrence of a common source rock deeper than the Tertiary reservoirs,which progressively entered in the oil window.A regional example of Methane Derived Authigenic Carbonates in shallow water setting is represented by the chimneys field exposed along the Enza riverbanks in the Lower Pleistocene deposits of the NorthernApennines. Within the Enza succession, methane leakage still occurs, showing δ13C isotopic values of about -70‰, indicating a biogenic origin; methane generated within the Plio-Pleistocene mudstones occurring in the subsurface of the Po plain. The improvement of the study on these fluid seepages gives further information to unravel the different fluids involved in MDAC formation and the fluid flow history,thus enhancing the understanding of the hydrocarbon potential in the foredeep.

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