塔河油田上奥陶统覆盖区碳酸盐岩储层预测研究
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摘要
针对塔河油田上奥陶统覆盖区碳酸盐岩储层的结构特点,以地质、钻井、测井及生产测试等资料分析为出发点,以地震响应为基础,探讨了识别和预测一间房组缝洞储层的方法。属性提取技术适合一间房组内幕溶洞的预测;表层储层预测利用精细波形分类方法结合地震波形分析和反射机理研究,总结裂缝发育层段的特征波形,建立储层与地震之间的响应模式,确定储层的精细分类,再根据拟合度准则进而对未知区域作储层预测,最终得到有利储层的地震反射空间展布有较好的效果。应用效果表明了方法的有效性。
In allusion to the structural characteristics of carbonate reservoirs in the areal coverate of upper Ordocician of Tahe Oilfield, based on the analysis of geologic, well drilling, logging and production testing data and seismic response, the methods of recognition and prediction of voggy reservoirs in Yijianfang Formation were studied. The study indicates that attribute extracting technique is appropriate for inner karst cave prediction in Yijianfang Formation; the surface reservoir is predicted by using the method of fine waveform classification in combination with seismic waveform analysis and reflection mechanism,the characteristic waveform in the fracture growth intervals are summarized, the response pattern between the reservoir and seismic waveform is established, the fine classification of reservoirs is determined, and reservoirs in the unknown domain are predicted based on fitting criterion and eventually spatial distribution of seismic reflection of favorable reservoirs is obtained. Application shows that the method is feasible.
In allusion to the structural characteristics of carbonate reservoirs in the areal coverate of upper Ordocician of Tahe Oilfield, based on the analysis of geologic, well drilling, logging and production testing data and seismic response, the methods of recognition and prediction of voggy reservoirs in Yijianfang Formation were studied. The study indicates that attribute extracting technique is appropriate for inner karst cave prediction in Yijianfang Formation; the surface reservoir is predicted by using the method of fine waveform classification in combination with seismic waveform analysis and reflection mechanism,the characteristic waveform in the fracture growth intervals are summarized, the response pattern between the reservoir and seismic waveform is established, the fine classification of reservoirs is determined, and reservoirs in the unknown domain are predicted based on fitting criterion and eventually spatial distribution of seismic reflection of favorable reservoirs is obtained. Application shows that the method is feasible.
引文
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[2]周永昌,王新维,杨国龙.塔里木盆地阿克库勒地区奥陶系碳酸盐岩成藏条件及勘探前景[J].石油与天然气地质,2000,21(2):104～109.
[3]李昌金.赤水地区碳酸盐缝洞型气藏地质模型讨论[J].贵州地质,2000,17(2):71～78.
[4]王强,牟慧蓉,刘太福.北京西山奥陶系岩溶发育特征及其成因初探[J].北京地质,1998,(3):1～9.
[5]李明,李宁林,赵一民.塔里木盆地某区碳酸盐岩裂缝储层预测研究[J].石油物探,2000,39(2):24～35.
[6]康玉柱.塔里木盆地古生代海相油气田仁[M].武汉:中国地质大学出版社,1992.76～84.
[7]文晓涛,贺振华,黄德济.缝洞岩层地震波反射特征分析[J].勘探地球物理进展,2003,26(2):99～102.
[8]温志新,王红漫,漆立新,等.塔河油田奥陶系缝洞型碳酸盐岩储层预测研究[J].地学前缘,2008,15(1):94～100.
[9]王士敏.塔河油田碳酸盐岩储层预测技术[J].石油物探,2004,43(2):154～158.
[10]杨子川.塔河油田碳酸盐岩储层预测技术与应用[J].勘探地球物理进展,2004,27(6):432～439.
[11]谢里夫R E,吉尔达特I P.勘探地震学[M].初英,李承楚,王宏伟,等译.北京:石油工业出版社,1999.
[12]吕景英.用波形分析法预测塔河油田碳酸盐岩储层[J].勘探地球物理进展,2004,27(2):112～116.
[13]赵力民.波形分类技术在隐蔽油藏预测中的应用[J].石油勘探与开发,2001,28(6):53～55.
[14]郭树军,陈开远,唐小梅.波形分析在番禺4洼陷古近系储层研究中的应用[J].石油天然气学报,2008,30(2):81～84.
[15]师永民,祁军,张成学.应用地震波形分析技术预测裂缝的方法探讨[J].石油物探,2005,44(2):128～130.
[16]张亚中,赵裕辉,鲁新便,等.频谱分解技术在塔里木盆地北部TH地区碳酸盐岩缝洞型储层预测中的应用[J].石油地球物理勘探,2006,41(增刊):16～20.
[17]凌云研究组.基本地震属性在沉积环境解释中的应用研究[J].石油地球物理勘探,2003,38(1):642～653.
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