1.Qijia-Gulong depression is master source area of oil and gas in Songliao Basin, a part of oil and gas from the source is held up in the depression, the other migrates to west clinoform zone.

1.摘要齐家-古龙凹陷盆地主要油源区，其心线以西生排出的油分存留在凹陷内，另分向西斜坡运移。