求翻译：结合地质、钻井资料建立东营凹陷东营组、沙河街二组、沙河街四组、白垩系、二迭系、奥陶系等界面的密度模型是什么意思？

Geological and drilling data to establish the Dongying Sag, Dongying Formation, Shahe Street, Shahejie group, Cretaceous, Permian Department of Ordovician Department of the density of interface model

Combined with geological, drilling thinness established east-East Business Group, Shahe street 2 group, Shahe street 4, chalk, and group 2, iteration of Ordovician, the density interface model

The union geology, east the well drilling material establishment the camp hollow east camp group, the Shahe street two group of, the Shahe street four group of, the Cretaceous system, two repeats are, contact surface and so on Ordovician system density models

Combination of geology, drilling information establishment of Dongying formation in Dongying SAG, Shahe Street in shahejie group, the second group, Cretaceous, Dyas, Ordovician interface density model

正在翻译，请等待...