{'fraction_non_alphanumeric': 0.0449438202247191, 'fraction_numerical': 0.009630818619582664, 'mean_word_length': 5.117647058823529, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Discussion on seismic technique for gas exploration

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}.