塔里木盆地深层复杂碳酸盐岩油气藏地球物理预测与评价——以ZG8井区鹰山组为例

doi:10.7623/syxb2015S2007

石油学报 ›› 2015, Vol. 36 ›› Issue (S2): 82-91.DOI: 10.7623/syxb2015S2007

塔里木盆地深层复杂碳酸盐岩油气藏地球物理预测与评价——以ZG8井区鹰山组为例

狄贵东^1,2, 孙赞东², 庞雄奇¹, 彭更新³, 刘立峰², 张远银^2,4

1. 油气资源与探测国家重点实验室北京 102249;
2. 中国石油大学地质地球物理综合研究中心北京 102249;
3. 中国石油塔里木油田公司新疆库尔勒 841000;
4. 中国石油化工股份有限公司石油勘探开发研究院北京 100083

收稿日期:2015-05-05 修回日期:2015-11-20 发布日期:2016-02-24
通讯作者: 狄贵东,男,1984年1月生,2007年获长江大学学士学位,现为中国石油大学(北京)博士研究生,主要从事地质、地震综合研究及储层预测工作.Email:cup_dgd@126.com
基金资助:
国家重大科技专项(2011ZX05004003)和国家重点基础研究发展计划(973)项目(2011CB201103)资助.

Geophysical prediction and evaluation on deep complex carbonate reservoir in Tarim Basin:a case study of Yingshan Formation in ZG8 well block

Di Guidong^1,2, Sun Zandong², Pang Xiongqi¹, Peng Gengxin³, Liu Lifeng², Zhang Yuanyin^2,4

1. State Key Laboratory for Petroleum Resources and Prospecting, Beijing 102249, China;
2. Laboratory for Integration of Geology and Geophysics, China University of Petroleum, Beijing 102249, China;
3. PetroChina Tarim Oilfield Company, Xinjiang Korla 841000, China;
4. Sinopec Exploration & Production Research Institute, Beijing 100083, China

Received:2015-05-05 Revised:2015-11-20 Published:2016-02-24

摘要/Abstract

摘要：

塔里木盆地深层碳酸盐岩储层以次生孔隙为主,其储集空间和流体性质十分复杂,具有极强的非均质分布特征.传统叠后地震资料和技术手段难于准确预测这类油气藏的分布和品质,制约了勘探成功率.基于DEM-Gassmann岩石物理模型和地震资料保幅叠前道集,运用叠前弹性反演对ZG8井区鹰山组储层、流体进行了预测,通过纵波方位各向异性叠前反演和叠后综合预测裂缝,所得结果与实际钻、测井资料吻合.依据地球物理手段对复杂油气储层进行精细刻画,并在预测结果的基础上进一步总结了构造枢纽带、古斜坡、断裂、削截不整合尖灭带4类因素对复杂碳酸盐岩油气藏分布特征的控制,该地球物理新方法在复杂油气藏预测中的成功应用,对下一步深层油气勘探具有重要的推动作用.

关键词: 塔里木盆地, 储层预测, 流体预测, 叠前弹性反演, 碳酸盐岩

Abstract:

The deep carbonate reservoirs of Tarim Basin are dominated by secondary pores, which have extremely complicated reserving space and fluid properties as well as quite obvious heterogeneous distribution characteristics. It is difficult to accurately predict the distribution and quality of such reservoirs using the conventional post-stack seismic data and technical means, subsequently restricting the exploration success rate. Based on the DEM-Gassmann rock physics model and amplitude-preserved pre-stack gathers of seismic data, the reservoirs and fluids in Yingshang Formation of ZG8 well block is predicted through pre-stack elastic inversion. Meanwhile, the results obtained from the comprehensive prediction of fissures using p-wave azimuthal anisotropic pre-stack and post-stack inversion are consistent with the actual drilling and logging data. The complex hydrocarbon reservoirs are finely characterized using geophysical measures; on the basis of predicted results, the control of four factors, i.e., tectonic hinge zone, paleo-slope, fault and truncated unconformable pinch-out belt on the distribution characteristics of complex carbonate reservoirs is further summarized. The successful application of such new geophysical method in the prediction of complex reservoirs plays an important role in promoting deep oil and gas exploration.

Key words: Tarim Basin, reservoir prediction, fluid prediction, pre-stack elastic inversion, carbonate rock

中图分类号:

P631.4

狄贵东, 孙赞东, 庞雄奇, 彭更新, 刘立峰, 张远银. 塔里木盆地深层复杂碳酸盐岩油气藏地球物理预测与评价——以ZG8井区鹰山组为例[J]. 石油学报, 2015, 36(S2): 82-91.

Di Guidong, Sun Zandong, Pang Xiongqi, Peng Gengxin, Liu Lifeng, Zhang Yuanyin. Geophysical prediction and evaluation on deep complex carbonate reservoir in Tarim Basin:a case study of Yingshan Formation in ZG8 well block[J]. Acta Petrolei Sinica, 2015, 36(S2): 82-91.

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塔里木盆地深层复杂碳酸盐岩油气藏地球物理预测与评价——以ZG8井区鹰山组为例

Geophysical prediction and evaluation on deep complex carbonate reservoir in Tarim Basin:a case study of Yingshan Formation in ZG8 well block

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