Characteristics and comparison of karst reservoirs of lower Paleozoic in Nanpu Sag and outcrops
The carbonate buried hill in Nanpu Sag is an important deep oil and gas exploration field with deep burial and old age., complex tectonic movements and the characteristics of multi-stage karstification. Based on the drilling, core, logging and seismic data of outcrops around Tangshan and Nanpu Sag, the characteristics of karst reservoirs in outcrops and sag were compared and analyzed. The results show that: outcrops around Tangshan and Nanpu sag The Lower Paleozoic structural-karst background in the sag is basically consistent and has good contrast. The typical fault-controlled karst reserv
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