STUDY ON FORMING PROCESS AND GEOCHEMICAL CHARACTER OF THE CRUDE OIL IN FRACTURE OF THE LIMESTONE IN NORTHWEST OF SICHUAN
WANG Shun-yu,MING Qiao,HE Zhu-yi,HUANG Ling
Natural Gas Geoscience . 2006, (4): 579 -581 .  DOI: 10.11764/j.issn.1672-1926.2006.04.579