Microscopic Flow Characteristics of Fluids in Porous Medium and Its Relationship with Remaining Oil Distribution: A Case Study in Saertu Oilfield of Daqing in China

Table 4

Types and relative contents of the microscopic remaining oil.

Sample number	Horizon	State of thin film on pore surface (%)	Slit state (%)	Cant state (%)	Cluster state (%)	Particle adsorbing state (%)	Intergranular adsorbing state (%)
(1)	PI2	15.54	0.00	1.36	44.09	2.45	36.56
(2)	PI7	30.96	3.42	1.79	28.49	5.51	29.82