Bongor盆地页岩油储层测井评价方法及应用

Log Evaluation Method and Application of Shale Oil Reservoir in Bongor Basin

针对乍得Bongor盆地Baobab区块的页岩油主力储层的评价研究不足的问题,亟需建立一套综合的页岩油资源评价方法。为全面分析页岩油储层特性,收集和整理了Bongor盆地测井、录井和岩心分析数据,对总有机碳含量、孔隙度、含水饱和度和脆性指数等关键参数进行研究。充分利用岩心标定测井和数值模拟等技术建立针对性的页岩油油气评价方法。实际应用表明,该研究建立的评价方法显著提高了勘探效益,并在Bongor盆地Baobab构造带成功识别有机质含量高、物性良好和易于压裂的页岩油储层。试油结果与测井解释高度一致,验证了评价方法的准确性和可靠性。该方法不仅为Bongor盆地页岩油的勘探开发提供了有力支持,也为其他类似区域的勘探开发提供了可借鉴的经验。

The evaluation of the main shale oil reservoir in the Baobab block of the Bongor basin,Chad,is insufficient,and a comprehensive method for shale oil resource evaluation is urgently needed.In order to comprehensively analyze the characteristics of shale oil reservoirs,logging,mud logging,and core analysis data from the Bongor basin were collected and sorted,and key parameters such as total organic carbon content,porosity,water saturation,and brittleness index are studied.Advanced technologies such as core calibration logging and numerical simulation are fully utilized to establish targeted shale oil and gas evaluation methods.The actual application shows that the evaluation method established in this study significantly improved the exploration efficiency and successfully evaluated the high organic matter content,good physical properties,and easily fractured shale oil reservoirs in the Baobab structural belt of the Bongor basin.The test results are highly consistent with the interpretation of logging data,verifying the accuracy and reliability of the evaluation method.This study provides strong support for the exploration and development of shale oil in the Bongor basin,also provides valuable experience for the exploration and development of similar areas.