In the process of exploration and development of oilfield, acidification and fracture are important means of the oil reservoir reconstruct. The effect of acidification is involved in the lithology and mineral feature of the reservoir.
This paper, took low-permeability reservoirs of Changyuan region in Daqing oilfield as studied object, selected the typical core and made the analysis of clay mineral composition, rock appearance and structure, sensitivity feature,
The analysi...