海洋地质前沿2017，Vol.33Issue(6)：59-64,6.DOI:10.16028/j.1009-2722.2017.06009
叠前地震反演在清水地区砂砾岩优质储层预测中的应用
APPLICATION OF PRE-STACK SEISMIC INVERSION TO PREDICTION OF HIGH-QUALITY GLUTENITE RESERVOIRS IN QINGSHUI DISTRICT
摘要
Abstract
In the Qingshui district of the Liaohe Depression,the 1st Member of the Shahejie Formation was widely deposited as a fan-delta glutenite.The glutenite,together with syn-deposited dark shale,forms good source-reservoir-cap systems for lithologic reservoirs.The main reservoirs of the 1st Member of the Shahejie Formation are made up by pebbly fine sandstone.However,due to the existence of carbonate cement,wave impedance of non-reservoirs,such as limy shale and limy siltstone,is hard to be distinguished from that of the reservoirs.That is to say,high-quality reservoirs can not be predicted precisely by conventional stacked impedance inversion.Petrophysical analysis suggests that λρ and μρ are good elastic parameters for recognition of high-quality reservoirs.Based on the optimizing process of pre-stack gathers and transverse wave prediction,λρ andμρ have been obtained by prestack seismic inversion and used to predict the distribution pattern of high-quality fan-delta glutenite reservoirs to promote exploration in the glutenite lithologic reservoir in the Qingshui district.关键词
砂砾岩/优质储层/岩石物理/叠前反演/清水地区Key words
glutenite/high-quality reservoir/petrophysics/pre-stack inversion/Qingshui area分类
天文与地球科学引用本文复制引用
陈昌..叠前地震反演在清水地区砂砾岩优质储层预测中的应用[J].海洋地质前沿,2017,33(6):59-64,6.基金项目
国家油气重大专项“渤海湾盆地精细勘探关键技术”(2011ZX05006) （2011ZX05006）
中国石油天然气股份有限公司科学研究与技术开发项目《富油凹陷的形成与前景预测》(2013D-0708) （2013D-0708）
