东海XH凹陷砂泥岩互层地震资料处理关键技术Key Technology of Seismic Processing for Reflection of Sandstone Shale Interbed at XH Sag in the East China Sea
杨小椿;刘春成;陈宝书;陶杰;王鹏;
摘要(Abstract):
东海XH凹陷沉积地层以砂泥岩互层为主,阻抗界面差异较小,浅水表面多次波发育,导致地震反射弱,波组特征不明显,针对上述问题,应用研发的多次波压制、高精度鬼波宽频处理等技术,对工区地震资料进行了精细处理,处理剖面上的波组特征明显得到改善,数据低频、高频都得到拓宽,波组更真实可信,利用处理结果进行波阻抗反演和综合解释,能够更好地分析该凹陷优质储层的主控因素,岩性与钻井吻合度较高,证实了这一系列地震资料处理方法可靠性较高,达到了砂泥岩互层地震资料高质量成像的目的。
关键词(KeyWords): 鬼波压制;多次波压制;确定性反褶积;宽频处理
基金项目(Foundation): 国家科技重大专项课题“南海深水区油气勘探地球物理关键技术”(2016ZX05026-001)
作者(Author): 杨小椿;刘春成;陈宝书;陶杰;王鹏;
Email:
DOI: 10.19509/j.cnki.dzkq.2017.0237
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