Hydrocarbon potential of Early Cretaceous lacustrine sediments from Bima Formation, Yola Sub-basin, Northern Benue Trough, NE Nigeria: Insight from organic geochemistry and petrology

Yandoka, Babangida M. Sarki; Abdullah, Wan Hasiah; Abubakar, M.; Adegoke, Adebanji Kayode; Maigari, Abubakar Sadiq; Haruna, Ahmad Isah; Yaro, Usman Yahaya

doi:10.1016/j.jafrearsci.2016.12.009

Cited by 24 publications

(3 citation statements)

References 27 publications

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“…The C 31 22R hopane/C 30 hopane-Pr/Ph diagrams indicate that the organic matter of the fine-grained sedimentary rocks of the Ziliujing Formation mainly originated from lacustrine (Figure 10g). The relative abundance of C 27 , C 28 , and C 29 rule steranes in the Ziliujing Formation is 30.84-38.10 (average 33.83%), 23.81-31.64 (average 26.18%), and 31.42-45.35 (average 39.98%), respectively, which indicates that the organic matter of the Ziliujing Formation originated from plankton and bacteria (Figure 10h, Table 3) [50,51]. The C 29 ααα(20R)/C 27 ααα(20R) sterane-Pr/Ph crossplot indicates that the fine-grained sedimentary rocks of the Ziliujing Formation were formed in a freshwater reducing depositional environment, and the organic matter is mainly derived from algal organisms (Figure 10i, Table 3) [52,53].…”

Section: Organic Matter Characteristics Of the Ziliujing Formationmentioning

confidence: 99%

Comprehensive Comparison of Lacustrine Fine-Grained Sedimentary Rock Reservoirs, Organic Matter, and Palaeoenvironment: A Case Study of the Jurassic Ziliujing Formation and Xintiangou Formation in the Sichuan Basin

Li,

Wu,

et al. 2024

Minerals

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Lacustrine sedimentary formations potentially contain hydrocarbons. The lacustrine sedimentary rocks of the Ziliujung and Xintiangou Formations have been investigated for their hydrocarbon potential using low-pressure nitrogen adsorption (LP-N2A), low-field nuclear magnetic resonance (NMR), scanning electron microscopy (SEM), total organic carbon (TOC), rock-eval pyrolysis (Rock-Eval), gas chromatography (GC), gas chromatography–mass spectrometry (GC–MS), X-ray fluorescence spectrometry (XRF), and inductively coupled plasma mass spectrometry (ICP-MS). The results show that the normalized difference of the pore parameters between the two formations is less than 10%, and the pores are mainly slit-like mesopores with high porosity. Macropores and micropores are often developed in the quartz skeleton, while mesopores often occur among organic matter, clay minerals, carbonate minerals, and pyrite particles. The organic matter abundance of the Ziliujing Formation is relatively high. Additionally, the organic matter types of the two formations are mainly type II and type III, and the sources of the organic matter are plankton and bacteria which have reached the mature gas production stage. The palaeoenvironmental differences between the depositional periods of the two formations lie within 10% of each other. The warm and humid climate promotes the development of quartz minerals to further enhance the proportion of both micropores and macropores, and the clay minerals, carbonate minerals, and pyrite carried in the terrigenous detritus are closely associated with the total organic carbon (TOC), which promotes the development of mesopores to enhance the porosity. The reservoir, organic matter, and palaeoenvironmental characteristics of fine-grained sedimentary rocks in the two formations are similar, and both of them have good potential for development. The above results provide a basic geological theoretical basis for unconventional oil and gas exploration in the northeastern margin of the Sichuan Basin.

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Section: Organic Matter Characteristics Of the Ziliujing Formationmentioning

confidence: 99%

Comprehensive Comparison of Lacustrine Fine-Grained Sedimentary Rock Reservoirs, Organic Matter, and Palaeoenvironment: A Case Study of the Jurassic Ziliujing Formation and Xintiangou Formation in the Sichuan Basin

Li,

Wu,

et al. 2024

Minerals

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“…Its common indicators are T max , Ro, biomarkers, etc. [45][46][47]. Usually, T max with the range of <437, 437-450, >450 is classified as immaturity, low-maturity, and maturity [45][46][47].…”

Section: Organic Matter Maturitymentioning

confidence: 99%

“…The distribution pattern of tricyclic terpane C 21 , C 23 and C 24 can illustrate organic matter input, to some extent [46,48]. Researchers found that the "V" shape of C 21 , C 23 , and C 24 in tricyclic terpane is usually associated with a salt-water environment and can reflect lower biological input of bacteria and algae [36].…”

Section: Organic Matter Originmentioning

confidence: 99%

Petrography and Organic Geochemistry Characterizations of Lower Paleozoic Organic-Rich Shale in the Northwestern Upper Yangtze Plate: Niutitang Formation and Longmaxi Formation, Dabashan Foreland Belt

Zhao

et al. 2018

Minerals

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Measurements of total organic carbon, Rock-Eval pyrolysis, X-ray diffraction, scanning electron microscope, maceral examination, gas chromatography, and gas chromatography-mass spectrometry were conducted on the organic-rich shale of Lower Paleozoic Niutitang Formation and Longmaxi Formation in Dabashan foreland belt to discuss the organic matter characteristic, organic matter origin, redox condition, and salinity. The results indicate that the Niutiang Formation and Longmaxi Formation organic-rich shale are good and very good source rocks with Type I kerogen. Both of the shales have reached mature stage for generating gas. Biomarker analyses indicate that the organic matter origin of Niutitang Formation and Longmaxi Formation organic-rich shale are all derived from the lower bacteria and algae, and the organic matter are all suffered different biodegradation degrees. During Niutitang Formation and Longmaxi Formation period, the redox conditions are both anoxic with no stratification and the sedimentary water is normal marine water.

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Regional Geological Characteristics of the Central African Rift System

Dou

Xiao

Wang

2023

Petroleum Geology and Exploration of the Bongor Basin

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Hydrocarbon potential of Early Cretaceous lacustrine sediments from Bima Formation, Yola Sub-basin, Northern Benue Trough, NE Nigeria: Insight from organic geochemistry and petrology

Cited by 24 publications

References 27 publications

Comprehensive Comparison of Lacustrine Fine-Grained Sedimentary Rock Reservoirs, Organic Matter, and Palaeoenvironment: A Case Study of the Jurassic Ziliujing Formation and Xintiangou Formation in the Sichuan Basin

Comprehensive Comparison of Lacustrine Fine-Grained Sedimentary Rock Reservoirs, Organic Matter, and Palaeoenvironment: A Case Study of the Jurassic Ziliujing Formation and Xintiangou Formation in the Sichuan Basin

Petrography and Organic Geochemistry Characterizations of Lower Paleozoic Organic-Rich Shale in the Northwestern Upper Yangtze Plate: Niutitang Formation and Longmaxi Formation, Dabashan Foreland Belt

Regional Geological Characteristics of the Central African Rift System

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