A Measured Method for In Situ Viscosity of Fluid in Porous Media by Nuclear Magnetic Resonance

Table 1

Petrophysical parameters of 5 tight rock cores.

Core number	Oil block	Length (cm)	Diameter (cm)	Gas measurement porosity (%)	Gas measurement permeability (mD)
1	Jilin	2.664	2.438	8.08	0.130
2		3.236	2.503	9.42	0.673
3	Changqing	3.225	2.514	12.30	0.058
4		3.076	2.515	10.30	0.116
5		3.206	2.513	9.40	0.710