Main petrological components influenced the reservoir quality are plasticfragments (especially mica and mudstones and their alterative products) and content of matrix.

• 对储层物性影响较大的岩石学组分是砂岩中的塑性颗粒(特别是云母,泥岩等)及其成岩蚀变产物和杂基的含量。