Siwujiazi Oilfield, located in Gongzhuling City, Jilin Province, is a part of the of Yangdachengzi anticline at Southeast Upwelling Area of the Songliao Basin.

• 摘要松辽盆地四五家子油田位于吉林省公主岭市内，在构造上是松辽盆地东南隆起区杨大城子背斜的一部分。