Shallow gas accumulations and seepage in the sediments of the Northeast Persian Gulf

• Autorzy: Hosseinyar G. , Moussavi-Harami R. , Behbahani R.

Identyfikatory

DOI

10.2478/s11600-014-0236-3

• Języki publikacji: EN

Abstrakty

EN

Shallow gas accumulations and gas seepage may indicate deeper hydrocarbon reservoirs. Sonar and high resolution seismic recordings were carried out to obtain gas migration and accumulation below seabed in Northeast Persian Gulf. Results revealed some structures and reflectivity effects, for example few pockmarks, gas seepage, and other surface structures in sonar and seismic data. Most of the features observed on seismic data were located at depths between 5 and 10 m (sub-sea bed) that include acoustic blanking and turbidity, gas packets, gas chimneys, and enhanced reflection. Most of the gas is accumulated on young and thin parallel layers, but the presence of acoustic effect in Aghajari Formation indicates that the origin of the gas accumulation in shallow strata may be located in a deeper reservoir.

Słowa kluczowe

EN

gas seepage; shallow seismic records; side scan sonar images; Persian Gulf

PL

wyciek gazu; płytkie zapisy sejsmiczne; zdjęcia z sonaru bocznego; Zatoka Perska

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2014
• Tom: Vol. 62, no. 6
• Strony: 1373--1386
• Opis fizyczny: Bibliogr. 33 poz.

Twórcy

autor

Hosseinyar G.

• Geological Survey of Iran, Marine Geology, Tehran, Iran

autor

Moussavi-Harami R.

• Ferdowsi University of Mashhad, Faculty of Sciences, Mashhad, Iran

autor

Behbahani R.

• Geological Survey of Iran, Marine Geology, Tehran, Iran

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