Biomarker assessment of oil biodegradation, water washing, and source rock characteristics of oil seeps from the Foothill Zone along the Tigris River, Northern Iraq

2021 ◽  
Vol 197 ◽  
pp. 107946
Author(s):  
Mohamed W. Alkhafaji
Keyword(s):  
Source Rock ◽  
Northern Iraq ◽  
Water Washing ◽  
Tigris River ◽  
Oil Seeps ◽  
Oil Biodegradation

Biomarker characteristics of certain crude oils and the oil-source rock correlation for the Kurdistan oilfields, Northern Iraq

2013 ◽  
Vol 8 (1) ◽  
pp. 507-523 ◽  
Author(s):  
Ibrahim M. J. Mohialdeen ◽  
Mohammed Hail Hakimi ◽  
Fawzi M. Al-Beyati
Keyword(s):  
Source Rock ◽  
Crude Oils ◽  
Northern Iraq ◽  
Oil Source

STRATIGRAPHIC CORRELATION AND SOURCE ROCK CHARACTERISTICS OF THE BALUTI FORMATION FROM SELECTED WELLS IN THE ZAGROS FOLD BELT, KURDISTAN REGION, NORTHERN IRAQ

2021 ◽  
Vol 45 (1) ◽  
pp. 29-56
Author(s):  
Ibrahim M. J. Mohialdeen ◽  
Sardar S. Fatah ◽  
Rzger A. Abdula ◽  
Mohammed H. Hakimi ◽  
Wan H. Abdullah ◽  
...  
Keyword(s):  
Source Rock ◽  
Stratigraphic Correlation ◽  
Kurdistan Region ◽  
Fold Belt ◽  
Northern Iraq

Organic geochemistry of oil seeps from the Abu-Jir Fault Zone in the Al-Anbar Governorate, western Iraq: Implications for early-mature sulfur -rich source rock

2020 ◽  
Vol 184 ◽  
pp. 106584 ◽  
Author(s):  
Amer Jassim Al-Khafaji ◽  
Mohammed Hail Hakimi ◽  
El-Khedr Ibrahim ◽  
Ahmed Askar Najaf ◽  
Hussain Al Faifi ◽  
...  
Keyword(s):  
Fault Zone ◽  
Source Rock ◽  
Organic Geochemistry ◽  
Rich Source ◽  
Oil Seeps

scholarly journals Source Rock Characteristic of Sargelu and Kurrachine Formations from the Selected Wells in Northern Iraq

2021 ◽  
Vol 54 (2A) ◽  
pp. 60-74
Author(s):  
Arwa M. S. Al-Dolaimy
Keyword(s):  
Gas Chromatography ◽  
Organic Matter ◽  
Organic Carbon ◽  
Total Organic Carbon ◽  
Carbon Content ◽  
Source Rock ◽  
Total Organic Carbon Content ◽  
Organic Carbon Content ◽  
Northern Iraq ◽  
Rock Eval

A total of 56 cuttings samples of Sargelu and Kurrachine formations from different wells (Ain Zalah, Baiji, and Jabal Kand) in northern Iraq have been investigated in this study. Both the Sargelu and Kurrachine formations were examined using Rock-Eval pyrolysis to assess the richness of organic matter and thermal maturity level. The Sargelu Formation Have Total Organic Carbon wt.% ranged from 0.22–2.52 wt.%, average 1.26 wt.% in Ain Zalah Well, and between 0.57–8.90 wt.%, average 2.95 wt.% in Baiji Well, and between 0.81–11.80 wt.%, average 5.01wt.% in for Kand Well. It is considered a potential source rock based on total organic carbon content. total organic carbon wt. % in Ain Zalah and Kand in the Kurrachine Formation is considered poor source rock with a total organic carbon content of 0.17, 0.39 wt. %, respectively, while in Baiji Well is considered moderate source rock with total organic carbon content 0.53 wt. %. The Rock-Eval data are not always sufficient to define the kind of organic matter through the use of the van Krevelen diagram because HI and OI are affected by both matrix mineralogy and the kerogen mixture. For accurate assessments of the source rocks, gas chromatography has been relied on, which provides a direct indication of the kerogen type as well as the type of hydrocarbons that kerogen can generate during maturity. Gas chromatography analysis indicates that all selected samples contained type II kerogen. The highest value of the TAS/ (MAS+TAS) ratio was found in Ain Zalah samples (Sargelu Formation), and this result indicates the occurrence of an aromatization process with increasing thermal maturation.

scholarly journals Source Rock Evaluation and Lateral Changes in Thermal Maturity of the Sargelu Formation (Middle Jurassic) in Kurdistan Region-Northern Iraq

2018 ◽  
Vol 2 (1) ◽  
pp. 7-17
Author(s):  
Ayad Faqi ◽  
Ali Ali ◽  
Bahjat Abdullah ◽  
Stephen Bowden
Keyword(s):  
Organic Matter ◽  
Source Rock ◽  
Middle Jurassic ◽  
Poor Quality ◽  
Gas Chromatography Mass Spectrometry ◽  
Mature Stage ◽  
Thermal Maturity ◽  
Northern Iraq ◽  
Reducing Conditions ◽  
Rock Eval

In this study, source rock characteristics and lateral changes in thermal maturity of the Sargelu Formation (Middle Jurassic) in three outcrops were studied. The formation’s outcrops can be found in the High Folded, and Imbricated Zones of Iraqi Tectonic Division. In order to achieve the main goals of this study, the Gas chromatography mass spectrometry (GC-MS) and Rock-Eval pyrolysis were performed on the organic matter (OM) of the Sargelu sediments. Pristane/Phytane ratios for analyzed samples indicate reducing conditions (anoxic) during sedimentation. Moreover, based on  C29/C30 hopanes ratios the sediments of the Sargelu Formation associated with clay- rich source rock. Biomarker thermal maturity parameters display that all samples are thermally in Oil Window at least. The biomarker findings reveal that the samples of Walasimt and Barsarin are seem more mature than Banik section. The values for TOC% of the Sargelu Formation may show Excellent, Very Good, and Poor quality source rock. The Pyrolysis executed for studied samples revealed the kerogen in Banik section belongs to Types II and III (Probably Oil/Gas- prone), while Barsarin and Walasimt sections obtained Types III-IV Kerogen (Gas- prone). Pyrolysis parameters suggested Early Mature Stage in Banik, While Overmature in Barsarin and Walasimt. The data also shows that organic matter of the Sargelu Formation in Banik section is in Oil Widow, while in Barsarin and Walasimt is in Gas Window.

Tigris river terrace mapping in northern Iraq and the geotechnical properties of the youngest stage near Dao Al-Qamar Village

1991 ◽  
Vol 7 (1) ◽  
pp. 603-609
Author(s):  
T. H. Al-Dabbagh ◽  
S. Q. Al-Naqib
Keyword(s):  
River System ◽  
Geotechnical Properties ◽  
Hydraulic Structures ◽  
River Terrace ◽  
Geotechnical Data ◽  
Northern Iraq ◽  
Tigris River

AbstractDuring the course of an investigation to evaluate the area for mapping distribution of deposits , different proposed hydraulic structures and construct ion materials.Terraces within the Valley of the River Tigris were mapped at three locations in northern Iraq. Four stages, ranging in age from pleistocene to Recent have been recognized.The paper reveiws previous work concern ing these terrace deposits and describes the mapping work. The geomorphology of terraces is discussed with reference. to the evaluation of the river System. Finally some preliminary geotechnical data concerning the sediments are presented and discussed .

Origin, biodegradation, and water washing of bitumen from the Mishraq Sulfur Mine, northern Iraq

2021 ◽  
Vol 124 ◽  
pp. 104786
Author(s):  
Mohamed W. Alkhafaji ◽  
Jacques Connan ◽  
Michael H. Engel ◽  
Sami W. AL-Jubouri
Keyword(s):  
Northern Iraq ◽  
Water Washing
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