Fig. 1

Base boundary structure of Longmaxi formation in Weirong shale gas field, Sichuan Basin"

Fig. 2

Comprehensive histogram of the shale gas formation showing the lithology and its organic-inorganic geochemistry for Well-WY23-1D well in Weirong"

Fig. 3

Geometry model of inclination and azimuth[21]"

Fig. 4

3D display of fractures detection results based on the method of dip-azimuth attribute of seismic for WY23 Pad in Weirong"

Fig. 5

Planar view for the fractures detection results along eight horizon slices"

Fig. 6

Seismic detection profiles of fractures displayed along six Inline directions"

Fig. 7

3D spatial spread and statistical results of 133 major fractures detected by seismic for WY23 Pad in Weirong"

Fig. 8

Schematic diagram for genetic mechanism of low-angle fractures detected by seismic data near WY23 Pad in Weirong"

Fig. 9

Profile comparison between the original amplitude and the fractures detection for Inline1643"

Fig. 10

Schematic comparison and verification of seismic fracture detection results with imaging well logging fracture observations"

Fig. 11

Schematic comparison and verification of seismic fracture detection results with engineering incidents"

Table 1

Statistic of WY23 Pad production affected by hydraulic fracturing job on other wells at the same time"

Table 2

Statistic of influence on drilling wells during hydraulic fracturing job on WY23 Pad in Weirong"