摘要
碳酸盐岩储层预测一直是一世界性难题,塔河油田奥陶系碳酸盐岩也不例外,而且其储层埋藏深(大于5300m),储集空间以后期构造及成岩作用形成的溶蚀孔洞及裂缝系统为主,纵、横向非均质性强。通过分析数10口井的钻井结果,细致类比过井地震剖面上地震反射波形特征,并结合模拟实际地层的正演模拟结果,总结出了储层发育与其地震反射波形之间的相关性,建立了应用波形分析预测碳酸盐岩储层的技术。
Prediction of carbonate reservoirs has ever been a problem worldwide. There is no exception for the Ordovician carbonate reservoirs in Tahe oilfield, which are of deep buried depth (more than 5300 m) , and strong lateral and horizontal heterogeneity because the reservoir spaces are mainly water-eroded caves and fractures formed during tectonization and diagenesis. Based on a meticulous correlation between the seismic reflection characters and the drilling results in dozens of wells, as well as forward modeling, the author established a relation between reservoir occurrence and the waveform of seismic reflections, which forms a basis for carbonate reservoir prediction by waveform analysis.
引文
1叶得胜,李正芬,王君奇.塔里木盆地北部寒武-奥陶系碳酸盐岩储层特征[A].见:蒋炳南主编.塔里木盆地北部油气勘探与开发论文集[C],北京:地质出版社,2000. 36~47
2蒋华山,叶德胜,王少力,等.塔河油田奥陶系油气藏特征[A].见:蒋炳南主编.塔里木盆地北部油气勘探与开发论文集[C],北京:地质出版社,2000. 56~67
3 Kiraly L.关于喀斯特化岩石物理特征的研究现状[J].国外地质,1980(12) :39~46
4中国科学院地质研究所岩溶研究组.中国岩溶研究[M].北京:科学出版社,1979. 7~129
5谢里夫R E.地震勘探学[M].北京:石油工业出版社,1999. 438~522
6张永升,李家蓉,潘新志.地震测井联合反演技术在塔河油田碳酸盐岩储层预测中的应用[J].勘探地球物理进展,2002,25(4) :46~48
7徐丽萍,张永升,王秀娟.三维地震属性提取技术在塔河油田地震资料解释中的应用[J].石油物探,2002,41(增刊),144~i46
8苏朝光,刘传虎,王军,等.相干分析技术在泥岩裂缝油气藏预测中的应用[J]石油物探,2002,41(2) :197~201
9关达,张卫红,提高地震资料解释薄层能力的途径[J].勘探地球物理进展,2002,25(2) :19~24
10黄绪宝,张旭光,刘其,等.三维可视化技术在塔河油田碳酸盐岩储层预测中的应用[J].石油物探,2001,40(4) :100~105
11张旭光.利用地震信息检测碳酸盐岩溶洞[J].石油物探,2002,41(3) :359~362
12赵改善.勘探开发中虚拟现实技术的应用与展望[J].勘探地球物理进展,2002,25(6) :9~20