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Title: Discussion on seismic technique for gas exploration (in Chinese)

Journal Article · · Oil Geophysical Prospecting; (China)
OSTI ID:5517701
; ;  [1]
  1. Research Inst., Qinghai Oil Management Bureau, Qilizhen Town, Dunhuang City, Gansu Province (CN)

The research result of seismic gas exploration in east Chaidamu basin leads to a common conclusion, interval velocity drop {Delta}{nu} higher than 300m/s a productive gas reservoir, and {Delta}{nu} above 400m/s a high-productive gas reservoir; that is to say, the bigger the interval velocity drop is, the richer the gas in a formation is. However, the author of this paper thinks that the conclusion is unlikely to be reliable because {Delta}{nu} is not directly proportional to gas content in a formation, and present techniques fail to determine accurate {Delta}{nu}.

OSTI ID:
5517701
Journal Information:
Oil Geophysical Prospecting; (China), Vol. 26:5; ISSN 1000-7210
Country of Publication:
United States
Language:
Chinese