Trace element geochemistry of kerogens from the central Niger Delta
Abstract Trace elements in kerogens isolated from shale samples obtained from oil wells in the central Niger Delta were determined using atomic absorption spectrometry, with the aim to determine the depositional environment and source of the organic matter. The results showed that the concentrations...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-03-01
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| Series: | Journal of Petroleum Exploration and Production Technology |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1007/s13202-018-0448-1 |
| _version_ | 1811235797625470976 |
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| author | T. O. Jegede S. A. Adekola A. Akinlua |
| author_facet | T. O. Jegede S. A. Adekola A. Akinlua |
| author_sort | T. O. Jegede |
| collection | DOAJ |
| description | Abstract Trace elements in kerogens isolated from shale samples obtained from oil wells in the central Niger Delta were determined using atomic absorption spectrometry, with the aim to determine the depositional environment and source of the organic matter. The results showed that the concentrations of the elements in the kerogens ranged from 1.50 to 6470.00 ppm and 3.50 to 7946.00 ppm for Wells X and Y, respectively. In both wells, Fe was the most abundant element, while cobalt had the least concentration. Nickel had an enhanced concentration over vanadium in Well X, while the reversed was the case in Well Y. The distribution patterns of the trace elements indicate that most of the kerogens from the two wells have similar origin. The geochemical ratios calculated from the concentrations of the trace elements revealed kerogens from Well X have terrestrial organic matter input, while kerogens from Well Y have both mixed marine/terrestrial organic matter and terrestrial inputs. The concentrations of the trace elements also revealed that the organic materials of samples from Well X were deposited under oxic conditions, while those from Well Y were deposited under oxic–suboxic conditions. |
| first_indexed | 2024-04-12T11:58:13Z |
| format | Article |
| id | doaj.art-70e68eb6266644e8897af1668d958f76 |
| institution | Directory Open Access Journal |
| issn | 2190-0558 2190-0566 |
| language | English |
| last_indexed | 2024-04-12T11:58:13Z |
| publishDate | 2018-03-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of Petroleum Exploration and Production Technology |
| spelling | doaj.art-70e68eb6266644e8897af1668d958f762022-12-22T03:33:56ZengSpringerOpenJournal of Petroleum Exploration and Production Technology2190-05582190-05662018-03-0184999100710.1007/s13202-018-0448-1Trace element geochemistry of kerogens from the central Niger DeltaT. O. Jegede0S. A. Adekola1A. Akinlua2Fossil Fuels and Environmental Geochemistry, Department of Chemistry, Obafemi Awolowo UniversityDepartment of Geology, Obafemi Awolowo UniversityFossil Fuels and Environmental Geochemistry, Department of Chemistry, Obafemi Awolowo UniversityAbstract Trace elements in kerogens isolated from shale samples obtained from oil wells in the central Niger Delta were determined using atomic absorption spectrometry, with the aim to determine the depositional environment and source of the organic matter. The results showed that the concentrations of the elements in the kerogens ranged from 1.50 to 6470.00 ppm and 3.50 to 7946.00 ppm for Wells X and Y, respectively. In both wells, Fe was the most abundant element, while cobalt had the least concentration. Nickel had an enhanced concentration over vanadium in Well X, while the reversed was the case in Well Y. The distribution patterns of the trace elements indicate that most of the kerogens from the two wells have similar origin. The geochemical ratios calculated from the concentrations of the trace elements revealed kerogens from Well X have terrestrial organic matter input, while kerogens from Well Y have both mixed marine/terrestrial organic matter and terrestrial inputs. The concentrations of the trace elements also revealed that the organic materials of samples from Well X were deposited under oxic conditions, while those from Well Y were deposited under oxic–suboxic conditions.http://link.springer.com/article/10.1007/s13202-018-0448-1KerogenTrace elementOriginDepositional environmentCentral Niger Delta |
| spellingShingle | T. O. Jegede S. A. Adekola A. Akinlua Trace element geochemistry of kerogens from the central Niger Delta Journal of Petroleum Exploration and Production Technology Kerogen Trace element Origin Depositional environment Central Niger Delta |
| title | Trace element geochemistry of kerogens from the central Niger Delta |
| title_full | Trace element geochemistry of kerogens from the central Niger Delta |
| title_fullStr | Trace element geochemistry of kerogens from the central Niger Delta |
| title_full_unstemmed | Trace element geochemistry of kerogens from the central Niger Delta |
| title_short | Trace element geochemistry of kerogens from the central Niger Delta |
| title_sort | trace element geochemistry of kerogens from the central niger delta |
| topic | Kerogen Trace element Origin Depositional environment Central Niger Delta |
| url | http://link.springer.com/article/10.1007/s13202-018-0448-1 |
| work_keys_str_mv | AT tojegede traceelementgeochemistryofkerogensfromthecentralnigerdelta AT saadekola traceelementgeochemistryofkerogensfromthecentralnigerdelta AT aakinlua traceelementgeochemistryofkerogensfromthecentralnigerdelta |