Geochemical Evaluation of Formation Water, Mauddud Reservoir, Khabbaz Oilfield, Kirkuk Area, Northern Iraq

  • Fouad M. Qader Department of Geology, College of Science, University of Sulaimani, Sulaymaniyah, KRI, Iraq
  • Basim Al-Qayim Department of Petroleum Engineering, Komar University of Science and Technology, Sulaymaniyah, KRI, Iraq http://orcid.org/0000-0002-5895-3264
  • Fawzi Al-Beyati Survey EngineeringDepartment, College of Kirkuk, North Technical University, Kirkuk, Iraq
Keywords: Formation Water, Mauddud, Khabbaz, Hydrochemistry,, Brine, Iraq

Abstract

In this study, formation-water samples were collected by NOC Staff, during drilling time, from the Mauddud Formation reservoir of the Khabbaz Oilfield, for this reason four samples from four wells; Kz-3, Kz-4, Kz-7, and Kz-23 were selected  to geochemical analysis. Analyzed geochemical parameters include TDS and the concentrations of the different dissolved cations and anions present in brines (Ca+2, Mg+2, Na+1, SO4-2, Cl-1, HCO3-1, and NaCl). Variations among the resulted data are discussed by comparison with other Cretaceous Brines. Geochemical ratios of Na/Cl, (Na-Cl)/SO4) and (Cl-Na)/Mg+2 was calculated for formation water classification following Bojarski, (1970). The calculated geochemical ratios of the studied samples in the studied four wells indicate that all of these waters are "chloride calcium" type under subsurface conditions, this type reflect closed system isolated associations reservoir, which are becoming high hydrostatic in deeper zones without influence by infiltration waters. A major transversal fault cutting the structure at its SE plunge had participated in the dilution of the Mauddud reservoir brine effectively.

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Author Biographies

Fouad M. Qader, Department of Geology, College of Science, University of Sulaimani, Sulaymaniyah, KRI, Iraq

Dr. Fuad M. Qadir received his BSc in 1991 from the University of Salahaddin, Erbil in Iraq. From 1992 to 1993 he worked in Salahaddin University as a demonstrator. After 1993 he went to Sulaimani University and worked as a demonstrator until he completed his MSc in 1999 from the University of Baghdad in petroleum geology. Fuad completed his PhD in 2008 from University of Sulaimani in reservoir geology. Since 1999 he has been a lecturer  and assistant professor of Petroleum Geology at the Department of Geology, Sulaimani University. His research interest is focusing on reservoir geoogy and formation evaluation of several oilfields from Kurdistan region and Iraq.

Basim Al-Qayim, Department of Petroleum Engineering, Komar University of Science and Technology, Sulaymaniyah, KRI, Iraq

Dr. Basim A. Al-Qayim, earned his B.Sc. and M.Sc. degrees in Geology from the University of Baghdad, Iraq, and his Ph.D. in Stratigraphy from the University of Pittsburgh, USA in 1983. Since then he had taught in several universities including Sulaimaniyah, Salahaddin and Baghdad University (Iraq), Sana’a and Thamar University (Yemen). From 2004 to 2020 he has being  working as a Professor of Geology at the Sulaimani University, Iraq. Currently he is working as a professor of Petroleum Geology at Komar University of Science and Technology, Sulaimaniyah, Kurdistan, Iraq. He had published more than100 scientific papers mainly on the geology of Iraq. He is a member of the editorial board of two national geological journals and several International Geological Societies. His research interests include sequence stratigraphy, tectonostratigraphy, sedimentology, and petroleum geology of the Zagros Foreland Basin of Iraq, in addition to Quaternary geology.

Fawzi Al-Beyati, Survey EngineeringDepartment, College of Kirkuk, North Technical University, Kirkuk, Iraq

Dr. Fawzi Albeyati is Assistant Professor and Head of the Survey Engineering Department at the Kirkuk Technology College, Iraq. He received his BSc in Geology from the University of Salahaddin in 1986, MSc in reservoir geology from the University of Salahaddin in 1989, and PhD in source rock evaluation and organic geochemistry from Baghdad University in 1998. Prior to joining the Kirkuk Technology College, Norther Technical University, he was lecturer and researcher at the Marine Science Center of Basrah University (1991-1999). His research interests include source rock and reservoir evaluation of Iraqi oil fields.

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Published
2021-12-28
How to Cite
Qader, F., Al-Qayim, B., & Al-Beyati, F. (2021, December 28). Geochemical Evaluation of Formation Water, Mauddud Reservoir, Khabbaz Oilfield, Kirkuk Area, Northern Iraq. UKH Journal of Science and Engineering, 5(2), 28-35. https://doi.org/https://doi.org/10.25079/ukhjse.v5n2y2021.pp28-35
Section
Research Articles
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