Diagenetic Clay Minerals and Their Controls on Reservoir Properties of the Shahbazpur Gas Field (Bengal Basin, Bangladesh)
Abstract
:1. Introduction
2. Regional Geology
2.1. Geologic Setting
2.2. Stratigraphy
3. Materials and Methods
4. Results
5. Discussion
6. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Age (approx.) | Traditional Nomenclature | Unit | Lithology |
---|---|---|---|
Miocene | Surma Group | Unit A (mud dominant sequence) | Shale, mudstone and sandy/silty shale, with some laminated sandstone layers. |
Unit B (sand dominant sequence) | Fine- to medium-grained sandstones with some shale and sandy/silty shale. |
Well | Sample No. | Strat. Unit | Depth (m) | Illite (%) | Chlorite (%) | Kaolinite (%) | Smectite (%) | Measured FWHM (°Δ2θ) |
---|---|---|---|---|---|---|---|---|
Shahbazpur#2 | SNT-1 | Unit A | 2591.83 | 48 | 24 | 23 | 3 | 0.43 |
SNT-3 | Unit A | 2593.3 | 54 | 22 | 21 | 2 | 0.48 | |
SNT-7 | Unit B | 3261.93 | 54 | 23 | 22 | 0 | 0.52 | |
SNT-9 | Unit B | 3263.49 | 55 | 23 | 21 | 0 | 0.76 | |
SNT-11 | Unit B | 3266.37 | 42 | 29 | 28 | 0 | 0.34 |
Well No | Core No. | Depth (m) | Porosity (%) | Permeability (mD) | |
---|---|---|---|---|---|
Horizontal Permeability | Vertical Permeability | ||||
Shahbazpur#2 | 1 | 2591.50 | 8.27 | 24.41 | - |
2591.70 | 6.76 | - | - | ||
2592.30 | 1.89 | - | - | ||
2592.70 | 12.95 | - | - | ||
2593.10 | 7.00 | - | - | ||
2 | 3265.70 | 19.31 | 50.01 | - | |
3265.90 | 16.38 | 45.85 | - | ||
3266.10 | 18.56 | 95.23 | - | ||
3266.20 | 14.86 | - | 37.32 | ||
3266.30 | 17.39 | 54.90 | - | ||
3266.50 | 16.11 | - | 35.40 | ||
3266.80 | 19.32 | 60.54 | - | ||
3266.90 | 9.93 | - | 11.91 | ||
3267.10 | 15.99 | 44.15 | - | ||
3267.50 | 13.71 | - | - | ||
3267.70 | 15.98 | 20.09 | - | ||
3267.90 | 13.68 | 55.39 | - |
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Hasan, M.N.; Yeasmin, R.; Rahman, M.J.J.; Potter-McIntyre, S. Diagenetic Clay Minerals and Their Controls on Reservoir Properties of the Shahbazpur Gas Field (Bengal Basin, Bangladesh). Geosciences 2020, 10, 250. https://doi.org/10.3390/geosciences10070250
Hasan MN, Yeasmin R, Rahman MJJ, Potter-McIntyre S. Diagenetic Clay Minerals and Their Controls on Reservoir Properties of the Shahbazpur Gas Field (Bengal Basin, Bangladesh). Geosciences. 2020; 10(7):250. https://doi.org/10.3390/geosciences10070250
Chicago/Turabian StyleHasan, Md Nahidul, Rumana Yeasmin, M. Julleh Jalalur Rahman, and Sally Potter-McIntyre. 2020. "Diagenetic Clay Minerals and Their Controls on Reservoir Properties of the Shahbazpur Gas Field (Bengal Basin, Bangladesh)" Geosciences 10, no. 7: 250. https://doi.org/10.3390/geosciences10070250
APA StyleHasan, M. N., Yeasmin, R., Rahman, M. J. J., & Potter-McIntyre, S. (2020). Diagenetic Clay Minerals and Their Controls on Reservoir Properties of the Shahbazpur Gas Field (Bengal Basin, Bangladesh). Geosciences, 10(7), 250. https://doi.org/10.3390/geosciences10070250