GEOCHEMICAL INVESTIGATION AND MINERAL MATRIX EFFECT ON PROBABLE SOURCE ROCK'S POTENTIALITY DURING PYROLYSIS IN THE RAG-E-SAFID OILFIELD, SOUTHWEST IRAN

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ALIZADEH BAHRAM; JANBAZ M.; SHAYESTEH MASOUD; HOSSEINI BAGHSANGANI S.H.

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Paper Information

Journal: JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES Year:2009 | Volume:25 | Issue:1 (36) Page(s): 1-16

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Title

GEOCHEMICAL INVESTIGATION AND MINERAL MATRIX EFFECT ON PROBABLE SOURCE ROCK'S POTENTIALITY DURING PYROLYSIS IN THE RAG-E-SAFID OILFIELD, SOUTHWEST IRAN

Author(s)

ALIZADEH BAHRAM | JANBAZ M. | SHAYESTEH MASOUD | HOSSEINI BAGHSANGANI S.H. | Issue Writer Certificate

Keywords

MATRIX EFFECTQ3

GAS-OIL POTENTTAL RATIOQ3

ROCK-EVAL ANALYSISQ3

SOURCE ROCKQ2

RAG-E-SAFID OILFIELDQ3

Abstract

In this study, 45 drilling cuttings of Pabdeh and Kazhdumi fomtations in RAG-E-SAFID OILFIELD, in southern Dezful Embayment, were analyzed by Rock-Eval instruMent. Sz vs. TOC plot revealed that kerogen type in this oilfield predominantly is Type II. Significant Szadsorption by matrix in Pabdeh (2.5-4 mg HC/gr rock) and Kazhdumi (7-12 mg HC/gr rock) formations is due to low maturation as well as low gas-oil ratio potential factor. Amount of TOC directly influences the mineral MATRIX EFFECT on hydrocarbon adsorption on Pabdeh Formation. Live organic carbon in Pabdeh and Kazhdumi formations was in the range 0.22-2.29% and 1.7-2.25% by weight, respectively, which showed said formations have fair to excellent potential for petroleum generation. Transformation ratio of kerogen in studied formations was low (0.07-0.15), so these formations have not generated significant amount of petroleum as is supported by low Tmax data. GORP factor in studied formations (0.2-0.5) reveal that their oil generation potential is higher than gas generation potential. Considering to iso TOCoil and TOCgas maps, when Pabdeh Formation was deposited, basin in northwest and southeast was deeper than central part of the oilfield.

Cites

EFFECT OF ZELOI OILFIELD’S FAULTS ON THE GEOCHEMICAL CHARACTERS OF ASMARI AND BANGESTAN RESERVOIR’S OILS

References

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APA: Copy

ALIZADEH, BAHRAM, JANBAZ, M., SHAYESTEH, MASOUD, & HOSSEINI BAGHSANGANI, S.H.. (2009). GEOCHEMICAL INVESTIGATION AND MINERAL MATRIX EFFECT ON PROBABLE SOURCE ROCK'S POTENTIALITY DURING PYROLYSIS IN THE RAG-E-SAFID OILFIELD, SOUTHWEST IRAN. JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES, 25(1 (36)), 1-16. SID. https://sid.ir/paper/157037/en

Vancouver: Copy

ALIZADEH BAHRAM, JANBAZ M., SHAYESTEH MASOUD, HOSSEINI BAGHSANGANI S.H.. GEOCHEMICAL INVESTIGATION AND MINERAL MATRIX EFFECT ON PROBABLE SOURCE ROCK'S POTENTIALITY DURING PYROLYSIS IN THE RAG-E-SAFID OILFIELD, SOUTHWEST IRAN. JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES[Internet]. 2009;25(1 (36)):1-16. Available from: https://sid.ir/paper/157037/en

IEEE: Copy

BAHRAM ALIZADEH, M. JANBAZ, MASOUD SHAYESTEH, and S.H. HOSSEINI BAGHSANGANI, “GEOCHEMICAL INVESTIGATION AND MINERAL MATRIX EFFECT ON PROBABLE SOURCE ROCK'S POTENTIALITY DURING PYROLYSIS IN THE RAG-E-SAFID OILFIELD, SOUTHWEST IRAN,” JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES, vol. 25, no. 1 (36), pp. 1–16, 2009, [Online]. Available: https://sid.ir/paper/157037/en

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