泌阳凹陷新庄地区浅层三维地震勘探

doi:10.11743/ogg20050218

Abstract

Abstract:

Reservoirs in Xinzhuang area, Biyang depression, are characterized by shallow burial depth, large thickness and high enrichment, and are mainly of fault-nose and fault-block types. In view of the shallow burial depth of reservoirs and complexity of fault blocks, 3D seismic survey method that can well preserve reflected signals has been applied in Xinzhuang area. In seismic acquisition, a fasciculate observation system with short offset distance and small bin has been used. In seismic processing, stress has been put on velocity analysis and pre-stack migration. In seismic interpretation, various functions of interactive system have been integrated to identify faults and to ascertain fault blocks. A lot of oil-bearing traps have been discovered by exploration wells positioned on the basis of the interpretation results.

Key words: Biyang depression, shallow oil reservoir, enriching condition, shallow 3D seismic survey, exploration efficiency

CLC Number:

P631.4

Qiu Ronghua, Sun Yaohua, Zhang Yonghua, Tian Xiaomin, Zhu Jingxiu. 3-D seismic survey of shallow reservoirs in Xinzhuang area, Biyang depression[J]. Oil & Gas Geology, 2005, 26(2): 242-245,262.

References

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3-D seismic survey of shallow reservoirs in Xinzhuang area, Biyang depression

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