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首页> 外文会议>Indonesian Petroleum Association Annual Convention >OLIGO-MIOCENE CARBONATE RESERVOIR QUALITY CONTROLS - DEPOSITION AND DIAGENESIS STUDY OF BANYU URIP FIELD, ONSHORE EAST JAVA
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OLIGO-MIOCENE CARBONATE RESERVOIR QUALITY CONTROLS - DEPOSITION AND DIAGENESIS STUDY OF BANYU URIP FIELD, ONSHORE EAST JAVA

机译：寡季碳酸盐储层储层 - 围岩桥岩沉积及成岩作用研究，陆上东爪哇省

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Mobil Cepu Limited has acquired approximately 500 meters of core in the Oligo-Miocene aged Banyu Urip Field, onshore East Java in the Cepu KKS. A full analysis of thin sections and slabbed core reveals systematic patterns of deposition and diagenesis that may be typical of SE Asia Tertiary carbonates. Core and thin section data reveal the detailed sea-level controlled depositional cycles. More importantly, the data reveals details of the overprinted early and late diagenesis that is known to be such a strong control on reservoir quality in Oligo-Miocene aged SE Asia carbonates due to the large sea-level swings during that period. The dataset covers both the interval when the carbonate platform was keeping up with subsidence (aggrading phase) and the interval when the platform was stressed to keep up with the subsidence and finally drowned. Core data indicates that the almost 1000m thick aggrading phase is characterized by repeated 50 meter thick cycles of shallowing-upward facies successions with predictable facies ranging from large benthic foraminifera-rich wackstone-packstone to reefal boundstone at the top. The stressed and drowning phase is up to 300m thick grading upward from normal shallow water conditions to deeper environments of deposition dominated by red algae. Both successions have clearly identifiable sequence boundaries with exposure confirming the large amplitude of the sea-level variation.
机译：Mobil Cepu Limited已在北部甘肃湖北部武术Urip领域中获得了大约500米的核心，在Cepu KKS。完全分析薄剖面和吊钩芯揭示了系统的沉积和成岩作用的系统模式，这可能是SE亚洲叔碳酸酯的典型。核心和薄截面数据显示详细的海平控制沉积循环。更重要的是，数据揭示了早期和晚期成岩作用的细节，该细节已知是由于该期间的大海秋季大的海平面雪地碳酸酯的储层质量存在这种强烈控制。数据集在碳酸盐平台保持沉降（加压阶段）和平台的间隔以跟上沉降并最终淹死时，该间隔涵盖了间隔。核心数据表明，近1000米的厚增压阶段的特征在于，重复50米的厚度循环，其较高的面相交，可预测的相距从大型底栖传染症富型瓦岩 - 包装到顶部的Reefal边界。压力和溺水的阶段从正常浅水条件向上渐变300米，从正常的沉积环境深入沉积，以红色藻类为主。两次继承都具有明显可识别的序列边界，曝光确认了海平面变化的大幅度。

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