During the oil and gas development of Yanji basin, most traps drilled had oil and gas show, but very few commercial oil and gas flow wells were found.

• 延吉盆地勘探过程中,多数圈闭上钻井有油气显示,但见工业油气流井甚少,究其原因,盆地中圈闭大多是断块、断鼻和断背斜,断层封闭性是圈闭是否成功的关键。