x
uploads/felspar.jpg

felspar n.〔英國〕 = feldspar.

felstone

After analyzing of the whole situation , granularity is smaller . the lithology of chang 6 oil - bearing is a set of felspar sandstone . little of them are rock - scraps felspar sandstone 通過研究發現延長組6段儲層砂巖為一套中?細粒長石砂巖及少量粉砂巖,油層組砂巖遠離物源區,成分單一,表明其物源穩定。

At the late diagenesis phase , the dissolution of frame grains , especially the dissolution of felspar and laumontite , is the key to form secondary porosity 朵狀砂體的大小直接控制油藏的范圍及規模,靖安地區的主要油藏多沿不同的朵狀體成排分布。