| 基于岩溶模式的溶洞储集体三维地质建模 |
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| 引用本文： | 李永强,侯加根,刘钰铭,李春晓,马晓强,韩东.基于岩溶模式的溶洞储集体三维地质建模[J].中国石油大学学报(自然科学版),2016,40(5):43-50. |
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| 作者姓名： | 李永强 侯加根 刘钰铭 李春晓 马晓强 韩东 |
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| 作者单位： | 中国石油大学地球科学学院,北京102249;中国石油大学油气资源与探测国家重点实验室,北京102249,中国石油大学地球科学学院,北京102249;中国石油大学油气资源与探测国家重点实验室,北京102249,中国石油大学地球科学学院,北京102249;中国石油大学油气资源与探测国家重点实验室,北京102249,中国石油大学地球科学学院,北京102249;中国石油大学油气资源与探测国家重点实验室,北京102249,中海油研究总院,北京 100027,中国石化石油勘探开发研究院,北京 100083 |
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| 基金项目： | 国家科技重大专项(2016ZX05014-002) |
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| 摘 要： | 针对波阻抗属性可以较准确地识别大型溶洞而不能识别小型溶洞的特点,结合岩溶发育模式,分别对不同类型、不同尺度的溶洞储集体三维地质建模进行研究。结果表明:不同岩溶带溶洞储集体对应不同的波阻抗分布范围,因此对不同岩溶带采用不同波阻抗属性值截断,根据岩溶模式人机交互修正的方法建立大型溶洞模型;小型溶洞具有与大型溶洞相似的岩溶成因和发育规律,可以以不同岩溶带的大型溶洞模型作为训练图像,以单井识别的小型溶洞储集体为硬数据,以小型溶洞发育概率为软数据,利用多点地质统计学算法建立小型溶洞模型;所建立的模型能够吻合硬数据,又可以反映溶洞储集体的空间分布特征。
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| 关 键 词： | 塔河油田 缝洞型油藏 岩溶模式 溶洞储集体 三维地质建模 |
| 收稿时间： | 2016/3/11 0:00:00 |
3D modeling of cave reservoirs based on karst patterns |
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| LI Yongqiang,HOU Jiagen,LIU Yuming,LI Chunxiao,MA Xiaoqiang and HAN Dong.3D modeling of cave reservoirs based on karst patterns[J].Journal of China University of Petroleum,2016,40(5):43-50. |
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| Authors: | LI Yongqiang HOU Jiagen LIU Yuming LI Chunxiao MA Xiaoqiang and HAN Dong |
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| Institution: | College of Geosciences in China University of Petroleum,Beijing 102249, China;State Key Laboratory of Petroleum Resources and Prospecting in China University of Petroleum, Beijing 102249, China,College of Geosciences in China University of Petroleum,Beijing 102249, China;State Key Laboratory of Petroleum Resources and Prospecting in China University of Petroleum, Beijing 102249, China,College of Geosciences in China University of Petroleum,Beijing 102249, China;State Key Laboratory of Petroleum Resources and Prospecting in China University of Petroleum, Beijing 102249, China,College of Geosciences in China University of Petroleum,Beijing 102249, China;State Key Laboratory of Petroleum Resources and Prospecting in China University of Petroleum, Beijing 102249, China,CNOOC Research Institute, Beijing 100027, China and Petroleum Exploration and Production Research Institute,SINOPEC, Beijing 100083, China |
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| Abstract: | In this study, we built a 3D model of cave reservoirs for different types and sizes respectively based on karst patterns. Based on that impedance attribute has a good corresponding relationship with cave reservoirs, and caves have different ranges of impedance values in different karst zones, we present a method to construct a model using different seismic impedance truncations for different karst zones and then correct the model using prior geological patterns empirically. Small-scale caves have similar genetic type of karstification with large scale caves, so taking large-scale cave model in different karst zones as training images, we established the model of small caves using multiple point geostatistical simulation with the cave interpretation of well logs as the hard data and development probability as the soft data. This model can both match the hard data and reflect the geological distributions of cave reservoirs. |
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| Keywords: | Tahe Oilfield fracture-cavity reservoir karst pattern cave reservoirs 3D geological modeling |
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