The Upper Cretaceous Daxingzhuang Formation in western Liaoning is mainly distributed in Jinzahou and Yixian and also outcrops sporadically in the Boluochi , Chaoyang, and Jianguo, Fuxin.
辽宁西部白垩系上统大兴庄组主要分布于锦州、义县地区，在朝阳波罗赤、阜新碱锅等地也有零星出露。
Producing oil by bailing is more suitable for new wells with low oil production, sporadically distributed wells and the pumping wells with low productivity and low profit.
提捞采油更适合于低产新建产能井、零散油井和已投产的低产、低效抽油井。
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