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地震宽线剖面方法已经提出多年,但在我国还未广泛应用于生产。苏北TG地区的油气评价较高,但地震地质条件十分复杂,多年来地震资料一直过不了关。一九八二年度,我们在该地区采用地震宽线剖面方法生产,用一个队年做了92.16公里的宽线剖面,取得了较为显著的效果。本文对该区的地质条件,以往的地震勘探工作,地震宽线剖面的野外工作方法,宽线资料处理,宽线资料的常规解释与空间定量解释,以及取得的效果等方面作了论述。
The seismic wide-line profile method has been proposed for many years, but it has not been widely applied to production in our country. Oil and gas evaluation in the TG area of northern Jiangsu is higher, but the seismic geological conditions are very complicated, and the seismic data have not been able to pass the clearance for many years. In 1982, we adopted the seismic wide-line profile method in the area and made a 92.16 km wide line profile for one team year, achieving remarkable results. This paper discusses the geological conditions in the area, the previous seismic exploration work, the field work methods of wide seismic line seismic section, the wide-line data processing, the general interpretation of wide-line data and the quantitative interpretation of space, and the obtained results.