Reservoir properties distribution in the framework of sequence stratigraphic units: A case study from the Kangan Formation, Iranian offshore gas field, the Persian Gulf basin

Nosrati, Azad; Kadkhodaie, Ali; Amini, Abdolhossein; Chehrazi, Ali; Mehdipour, Vali; Moslemnezhad, Tayebeh

doi:10.1016/j.jngse.2019.02.004

Cited by 10 publications

(3 citation statements)

References 19 publications

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“…The Zagros fold and thrust belt comprises one of the most prolific hydrocarbon provinces worldwide (see map by Esrafili-Dizaji and Rabbani 46 ). Most of the gas fields are concentrated in the Fars region and in the contiguous offshore area and accumulated in the Permo-Triassic carbonates, within the Kangan and Dalan formations, the most important carbonate reservoir rocks in the southwestern part of Iran 47 , 48 . Gas reservoirs lie at depths ranging from 2600 to 3600 m (e.g.…”

Section: Discussionmentioning

confidence: 99%

Gas fields and large shallow seismogenic reverse faults are anticorrelated

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Donda

Tamaro

et al. 2022

Sci Rep

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We investigated the spatial relationships among 18 known seismogenic faults and 1651 wells drilled for gas exploitation in the main hydrocarbon province of northern-central Italy, a unique dataset worldwide. We adopted a GIS approach and a robust statistical technique, and found a significant anticorrelation between the location of productive wells and of the considered seismogenic faults, which are often overlain or encircled by unproductive wells. Our observations suggest that (a) earthquake ruptures encompassing much of the upper crust may cause gas to be lost to the atmosphere over geological time, and that (b) reservoirs underlain by smaller or aseismic faults are more likely to be intact. These findings, which are of inherently global relevance, have crucial implications for future hydrocarbon exploitation, for assessing the seismic–aseismic behaviour of large reverse faults, and for the public acceptance of underground energy and CO2 storage facilities—a pillar of future low carbon energy systems—in tectonically active areas.

show abstract

Section: Discussionmentioning

confidence: 99%

Gas fields and large shallow seismogenic reverse faults are anticorrelated

Valensise

Donda

Tamaro

et al. 2022

Sci Rep

View full text Add to dashboard Cite

show abstract

“…The Zagros fold and thrust belt comprises one of the most prolific hydrocarbon provinces worldwide. Most of the gas fields are concentrated in the Fars region and in the contiguous offshore area and accumulated in the Permo-Triassic carbonates, within the Kangan and Dalan formations, which are the most important carbonate reservoir rocks in the southwestern part of Iran 48,49 . Gas reservoirs lie at depths ranging from 2,600 to 3,600 m (e.g.…”

Section: Seismic Hazard Implicationsmentioning

confidence: 99%

“…Gas was exploited until 2013, when the field became one of the most important pilot sites for Carbon Capture and Storage (CCS 44 ). Iran 48,49 . Gas reservoirs lie at depths ranging from 2,600 to 3,600 m (e.g.…”

Section: Seismic Hazard Implicationsmentioning

confidence: 99%

Gas Fields and Large Shallow Seismogenic Reverse Faults Are Anticorrelated

Valensise

Donda

Tamaro

et al. 2021

Preprint

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We investigated the spatial relationships among 18 known seismogenic faults and 1,612 wells drilled for gas exploitation in the main hydrocarbon province of northern-central Italy, a unique dataset worldwide. We adopted a GIS approach and a robust statistical technique, and found a significant anticorrelation between the location of productive wells and of the considered seismogenic faults, which are generally overlain or encircled by sterile wells.Our observations suggest that (a) earthquake ruptures encompassing much of the upper crust may cause gas to be lost to the atmosphere over geological time, and that (b) reservoirs underlain by smaller or aseismic faults are more likely to be intact.These findings, which are of inherently global relevance, have crucial implications for future hydrocarbon exploitation, for assessing the seismic-aseismic behavior of large reverse faults, and for the public acceptance of underground energy storage facilities in tectonically active areas, a pillar of future low carbon energy systems.

show abstract