Genetic Types and Main Control Factors of Microfractures in Tight Oil Reservoirs of Jimsar Sag

Table 1

Parameters involved in the acoustic emission counting for the Lucaogou Formation tight sandstones in the Jimsar Sag, Junggar Basin.

Group	No. of core	Condition of water saturation (%)	Acoustic emission counting
G1	J174-1	0	50
	J174-2	30	65
	J174-3	80	100
	J174-4	100	166
G2	J22-1	0	53
	J22-2	30	74
	J22-3	90	101
	J22-4	100	169
G3	J36-1	0	56
	J36-2	30	65
	J36-3	70	107
	J36-4	100	170