disc-and-wipper-lubrieated bearing,ring lubricating bearing

35m tons is an anticline gas cap reservoir where con-densate gas accumulated in the structural high of the anticline and an oil rim with an area of 5.

宝浪油田宝中区块为长条型背斜构造气顶油藏,其背斜高部为凝析气,中部发育油环,油环面积5。

Distribution rule of remaining oil in Ng5 heavy oil rim of Gudao oilfield in middlelate thermal recovery period.;

孤岛油田稠油环热采中后期剩余油分布规律