Kongdian formation of Dongying Huimin Sag in Jiyang depression is a deep formation with some hardness for petroleum exploration. 濟陽坳陷東營惠民凹陷孔店組基本為深層勘探程度較低的層系。
Occurrences of organic matter in Paleogene argillaceous rock of Jiyang depression are primarily studied by means of fluorescent microscopy. 應用熒光顯微鏡法,首次對濟陽坳陷下第三系泥質岩中有機質的賦存狀態進行了研究。