泥页岩GRP层序地层划分方法及应用意义

The GRP Method of Sequence Stratigraphy Classification for Clay Shale and Its Application Significance

通过对泥页岩的沉积过程、特征及其内部岩相类型的研究,运用GRP法对泥页岩的界面识别特征、岩相组合样式和关键控制因素进行描述,阐述了GRP法在页岩层序地层研究中的应用方法与效果,可预测页岩的含气位置、良好孔隙度与渗透率的岩相类型,精确定位水平井水力压裂来开发页岩气。同时,探讨了泥页岩GRP法层序地层学的发展方向和在中国的应用前景。

The paper describes interface identification characteristics,lothofacies combination mode and key control factors for clay shale;and presents application methods and effects of GRP methods in the study in shale sequence stratigarapgy through the study in sedimentation process,characteristics and internal lithofacies types of clay shale,which can predict the clay shale lothofacies types of gas-bearing region,good porosity and good permeability and precisely locate horizontal wells if horizontal wells are applied and fractured for developing shale gas.Meanwhile,the paper approaches the development direction and application prospect of sequence stratigraphy of GRP methods for clay shale.