澳大利亚西北陆架北卡那封盆地资源潜力评价

康洪全; 逄林安; 贾怀存; 孟金落; 李明刚

doi:10.11781/sysydz201806808

澳大利亚西北陆架北卡那封盆地资源潜力评价

doi: 10.11781/sysydz201806808

中海油研究总院有限责任公司, 北京 100028

基金项目:

国家“十二五”科技重大专项“大陆边缘盆地类比与油气成藏规律研究”（2011ZX05030-001）资助。

详细信息

作者简介:
康洪全(1969-),男,高级工程师,从事海外油气勘探研究。E-mail:kanghq@cnooc.com.cn。

中图分类号: TE176.11
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出版历程
- 收稿日期: 2017-10-24
- 修回日期: 2018-09-30
- 刊出日期: 2018-11-28

Resource assessment of North Carnarvon Basin on the northwest shelf of Australia

CNOOC Research Institute Co., Ltd., Beijing 100028, China

摘要

摘要: 北卡那封盆地是澳大利亚西北陆架主要的富油气盆地之一，基于盆地最新的数据资料和研究成果，通过成藏要素分析，研究了盆地的含油气系统和油气分布特征。通过细化资源评价单元，采用分段油藏规模序列法为主、多种方法相结合确定评价参数。通过蒙特卡洛模拟对盆地各评价单元的资源规模进行了评价，并探讨了盆地的资源潜力和未来勘探方向。研究表明，盆地发育侏罗系Dingo组-侏罗系/白垩系和三叠系Locker/Mungaroo组-三叠系2套含油气系统，油气分布规律整体表现为“断陷富油，隆（凸）起富气”的特征。资源评价结果表明，北卡那封盆地待发现油气资源潜力较大，其中待发现可采石油、天然气和凝析油的资源量分别为1 560 MMbbl、34 978 Bcf和3 497 MMbbl。综合分析认为，北卡那封盆地勘探前景较好，埃克斯茅斯隆起西南部是盆地下步天然气勘探的最有利区。
- 油气分布 /
- 资源评价 /
- 勘探方向 /
- 北卡那封盆地 /
- 澳大利亚
Abstract: The Carnarvon Basin is one of the major oil and gas enriched basins in the northwest shelf of Australia. The petroleum system and oil and gas distribution characteristics were recognized by analysis of petroleum accumulation elements based on new data and research results. Through the detailed division of assessment units, the resources of each assessment unit were forecasted by a Monte Carlo simulation method. Assessment parameters were determined by multiple methods, such as improved field size sequence and so on. According to the resource assessment of each assessment unit, the resource potential and exploration direction of the North Carnarvon Basin were studied. There are 2 petroleum systems, including the Jurassic Dingo-Jurassic/Cretaceous petroleum system and the Triassic Locker/Mungaroo-Triassic petroleum system. Oil and gas distribution indicated that oil was enriched in grabens and gas was enriched in horsts. Resource evaluation results indicate that the North Carnarvon Basin has great resource potential. The forecasted undiscovered recoverable resources of the basin are 1 560 MMbbl oil, 34 978 Bcf gas and 3 497 MMbbl condensate. Based on comprehensive analysis, the Exmouth Plateau is a favorable exploration area for gas exploration in the future.
- oil and gas distribution /
- resource assessment /
- exploration direction /
- North Carnarvon Basin /
- Australia

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