Formation conditions and accumulation characteristics of Bozhong 19-6 large condensate gas field in offshore Bohai Bay Basin

Changgui XU,Haibo YU,Jun WANG,Xiaojian LIU

Fig. 9. Reservoir space characteristics of different zones of Paleozoic metamorphic rock reservoirs in Bozhong 19-6 gas field. (a) Well BZ19-6-4, 4 417 m, weathered sandy conglomerate, rich in pore, core photograph; (b) Well BZ19-6-8, 4 572 m, weathering leaching dissolution pores, core photograph; (c) Well BZ19-6-2sa, 4 442 m, fractures, plane polarized light; (d) Well BZ19-6-, 4 050 m, dissolution pores along fractures, plane polarized light; (e) Well BZ19-6-4, 4 671 m, feldspar particles deformed by tectonic stress, orthogonal optical light; (f) Well BZ19-6-4, 4 697 m, shredded base filling in fracture zone, orthogonal optical light; (g) Well BZ19-6-7, 5 403.5 m, fractures, orthogonal optical light; (h) Well BZ19-6-7, 5 351-5 352 m, fractures, imaging logging.