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HYDROCARBON GENERATION AND MIGRATION FROM BARREMIAN – APTIAN SOURCE ROCKS, NORTHERN ORANGE BASIN, OFFSHORE WESTERN SOUTH AFRICA: A 3D NUMERICAL MODELLING STUDY
Journal of Petroleum Geology ( IF 1.8 ) Pub Date : 2021-03-30 , DOI: 10.1111/jpg.12785
C. A. Samakinde 1, 2 , J. M. van Bever Donker 1 , R. Durrheim 2 , M. Manzi 2
Affiliation  

A 3D numerical modelling workflow was applied to the Barremian—Aptian source rock interval in a shelfal to lower slope area of the northern Orange Basin, offshore western South Africa. The main objective was to investigate the timing of hydrocarbon generation and migration. Hydrocarbon migration has previously been investigated in the south of the basin by relating gas escape features with structural elements as seen on seismic sections, but migration pathways are still poorly understood. The modelling study was based on data from three exploration wells (AO‐1, AE‐1 and AF‐1) together with 42 2D seismic sections totalling 3537 km in length, and a 3D seismic cube covering an area of 750 sq. km.

中文翻译:

南非西部北部北部盆地北部的巴里米亚-二叠系烃源岩的生烃与运移:3D数值模拟研究

将3D数值建模工作流应用于南非西部西部奥兰治盆地北部陆架至下斜坡地区的Barremian-Aptian烃源岩层段。主要目的是研究碳氢化合物生成和运移的时间。先前已通过将天然气逸出特征与地震剖面上的结构要素联系起来,对该盆地南部的烃类运移进行了研究,但对运移路径的了解仍然很少。建模研究基于来自三个勘探井(AO-1,AE-1和AF-1)的数据,以及42个2D地震剖面,总长3537公里,以及一个3D地震立方体,覆盖了750平方公里的面积。
更新日期:2021-03-30
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