A RE-APPRAISAL OF THE APPLICATION OF ROCK-EVAL PYROLYSIS TO SOURCE ROCK STUDIES IN THE NIGER DELTA

A. Akinlua; T. R. Ajay; D. M. Jarvie; B. B. Adeleke

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A RE-APPRAISAL OF THE APPLICATION OF ROCK-EVAL PYROLYSIS TO SOURCE ROCK STUDIES IN THE NIGER DELTA

机译：岩石热解法在尼日尔三角洲烃源岩研究中的应用再评估

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Thirty four shale samples from the Tertiary Agbada Formation were analysed for TOC and Rock-Eva/ pyrolysis parameters in order to evaluate the effect of oil-based mud contamination on source-rock characterization. The samples were obtained from five wells in the offshore Niger Delta over a depth range of 5,460ft to 11,580ft.The results indicated that the raw (unextmcted) samples were dominated by Type Ⅲ kerogen. However, after extraction, both Types Ⅱ/Ⅲ and Ⅲ kerogen were identified, consistent with previous studies. These results demonstrate that it is essential that shale samples should be extracted prior to TOC and Rock-Eval pyrolysis for accurate source-rock evaluation.

机译：为了评估油基泥浆污染对烃源岩特征的影响，分析了第三纪阿巴达组的34个页岩样品的TOC和Rock-Eva /热解参数。样品取自尼日尔三角洲近海的5口井，深度为5,460ft至11,580ft。结果表明，原始（未拔除）样品以Ⅲ型干酪根为主。然而，提取后，鉴定出Ⅱ/Ⅲ型和Ⅲ型干酪根，与以前的研究一致。这些结果表明，在TOC和Rock-Eval热解之前，必须先提取页岩样品，以进行准确的烃源岩评估。

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《Journal of Petroleum Geology》 |2005年第1期|p.39-47|共9页
作者
A. Akinlua; T. R. Ajay; D. M. Jarvie; B. B. Adeleke;
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作者单位

Dept of Chemistry, Obafemi Awolowo University, Ile-lfe, Nigeria;

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正文语种 eng
中图分类石油、天然气地质与勘探;石油、天然气;
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2. Comparative study between Rock-Eval pyrolysis and biomarkers parameters:A case study of Ypresian source rocks in central-northern Tunisia [J] . Adel Arfaoui, Mabrouk Montacer, Fekri Kamoun Marine and Petroleum Geology . 2007,第10期

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4. High-frequency (20 MHz) NMR and Modified Rock-Eval Pyrolysis Methods as an Integrated Approach to Examine Producibility in Kerogen-Rich Source-Reservoirs [C] . Humberto Carvajal-Ortiz, Thomas Gentzis, Harry Xie SPE/AAPG/SEG Unconventional Resources Technology Conference . 2019

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5. Foraminiferal biostratigraphy, depositional environments and hydrocarbon source rock potential of sediments from five wells in the western offshore region of the Niger delta, Nigeria. [D] . Adekoya, Adedotun Adedayo. 1987

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6. Occurrence and geochemical significance of fluorene and alkylfluorenes in crude oils and source rock extracts from Niger Delta basin Nigeria [O] . Abiodun B. Ogbesejana, Oluwasesan M. Bello, Oluwole Joshua Okunola 2021

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机译：岩石Eval热解和镜质体反射结果来自阿拉斯加中南部susitna盆地的sheep Creek 1井。

A RE-APPRAISAL OF THE APPLICATION OF ROCK-EVAL PYROLYSIS TO SOURCE ROCK STUDIES IN THE NIGER DELTA

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