An oil field consists of a reservoir in a shape that will trap hydrocarbons and that is covered by an impermeable or sealing rock.
一个油田由形态上会圈闭油气、并被不渗透的或封闭岩石所覆盖的储集层组成。
2
The formation was analysed by chart stacking technology along the sealing surface of the trap, a large tectonic lithologic complex trap was found in the top of the formation.
采用圈闭层封闭面成图技术方法对苏维依组进行分析，发现该组顶部存在构造-岩性型复合圈闭。
3
The Ordovician weathering crust has good sealing and covering conditions of aluminum rock on the top, favorable for formation of large-scale stratum and lithologic trap.