Studying Maturity and Migration Routes Using 2D Modeling in a number of Dezful Dam Oilfields

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MALEKI A.; MOALEMI S.A.; SABERI M.H.; Jazayeri M.H.

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Journal Paper

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Journal: IRANIAN JOURNAL OF PETROLEUM GEOLOGY Year:2019 | Volume:9 | Issue:17 Page(s): 76-92

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Title

Studying Maturity and Migration Routes Using 2D Modeling in a number of Dezful Dam Oilfields

Author(s)

MALEKI A. | MOALEMI S.A. | SABERI M.H. | Jazayeri M.H. | Issue Writer Certificate

Keywords

1D modelingQ1

2D modelingQ2

Dezful embaymentQ2

Migration modelQ1

Abstract

In the southwest of Iran there are large reservoirs of oil and gas including Jurassic and Cretaceous carbonates, in which they are suitable source rocks in the succession of the Early Cretaceous and Jurassic. The purpose of this Research was to evaluate the maturity of hydrocarbon fluids and to determine the migration path and properties of Pabdeh, Kazhdumi, Garu and Sargelu source rocks in the study area. For this purpose, one-dimensional burial history and thermal modeling in four oilfields and two-dimensional modeling for the study area were performed using Open Flow software to determine the maturity levels of the sedimentary, calving, and kerogen layers (s). Hydrocarbon outflow was evaluated. Comparison of measured vitrinite temperature and reflectance values with model results was used for model calibration. The results of one-dimensional modeling of the burial and thermal history in this study show that the kerogen (s) of the Sargelu, Garu, and Scorpion Formations have matured and have hydrocarbon outflow, but the organic matter or kerogen (s) of the Pabdeh Formation Not enough maturity to produce hydrocarbons. The results of Migration model in the studied section show that the two Early Cretaceous and Middle Cretaceous hydrocarbon systems were separated by Kazhdumi Formation and therefore hydrocarbon migration in deeper layers of Kazhdumi was mostly lateral to Abadan plain. The hydrocarbon produced from the Kazhdumi Formation, in addition to charging the upper layers, migrated laterally to the Abadan plain due to the overall slope of the Ilam and Sarvak layers. In general, the maturation process of the source rocks decreased from east to west of the study area.

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APA: Copy

MALEKI, A., MOALEMI, S.A., SABERI, M.H., & Jazayeri, M.H.. (2019). Studying Maturity and Migration Routes Using 2D Modeling in a number of Dezful Dam Oilfields. IRANIAN JOURNAL OF PETROLEUM GEOLOGY, 9(17 ), 76-92. SID. https://sid.ir/paper/389480/en

Vancouver: Copy

MALEKI A., MOALEMI S.A., SABERI M.H., Jazayeri M.H.. Studying Maturity and Migration Routes Using 2D Modeling in a number of Dezful Dam Oilfields. IRANIAN JOURNAL OF PETROLEUM GEOLOGY[Internet]. 2019;9(17 ):76-92. Available from: https://sid.ir/paper/389480/en

IEEE: Copy

A. MALEKI, S.A. MOALEMI, M.H. SABERI, and M.H. Jazayeri, “Studying Maturity and Migration Routes Using 2D Modeling in a number of Dezful Dam Oilfields,” IRANIAN JOURNAL OF PETROLEUM GEOLOGY, vol. 9, no. 17 , pp. 76–92, 2019, [Online]. Available: https://sid.ir/paper/389480/en

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