STRUCTURAL INTERPRETATION OF ASSA-FIELD RESERVOIR IN NORTHERN NIGER DELTA NIGERIA, USING WELL LOG

C. Ben Chukwu () and S. Benjamin Udota
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C. Ben Chukwu: Department of Physics, Faculty of Science, Rivers State University, Port Harcourt, Nigeria.
S. Benjamin Udota: Department of Geology, Faculty of Science, Rivers State University, Port Harcourt, Nigeria.

Earth Sciences Malaysia (ESMY), 2023, vol. 7, issue 1, 62-65

Abstract: Structural interpretation and characterization of Assa-field in Northern Niger Delta was done to map the primary structures responsible for hydrocarbon entrapment and closures that are favorable for the accumulation of hydrocarbon as well as to indicate areas for hydrocarbon exploration in the field. The method used for this research involved delineation of lithology, identification of reservoir, interpretation of horizon and fault to generate structural maps of the subsurface. Depth and time structure maps were generated to show more detailed structure of the field. Three major horizons (sand 1, sand 2, and sand 3) were mapped based on uniqueness and clarity of their features. Major faults were delineated from the 3-D seismic section. The appearance of these faults in the field is a sign of possible hydrocarbon accumulation. The knowledge from the results of this study can be applied in exploration and production to identify hydrocarbon trapping potential of a field and volumetric evaluation of fluid in a field.

Keywords: Reservoir; Fault; Horizon; Assa-field; Trap (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbesmy:v:7:y:2023:i:1:p:62-65

DOI: 10.26480/esmy.01.2023.62.65

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