Longitudinal Reservoir Evaluation Technique for Tight Oil Reservoirs

Table 1

Variation of porosity and permeability of tight reservoirs in the horizontal direction.

Depth (m)	Horizontal porosity average (mD)	Horizontal porosity variation (%)	Horizontal permeability average (mD)	Horizontal permeability variation (%)
2,309	13.33	2.52	0.40	7.14
2,321	14.27	1.12	0.66	14.08
2,371	15.18	0.33	1.54	27.96