因各种原因导致水平井低产的辽河油田曙光采油厂,今年实施了多功能管柱堵水技术、砾石充填防砂技术等配套措施。到7月底,该厂122口水平井起死回生,累计增产原油3.97万吨,投入产出比高达1:7.32。水平井技术是普通稠油及 Shuguang Oil Production Plant of Liaohe Oilfield, which led to low horizontal well productivity for various reasons, implemented such supporting measures as multi-purpose pipe plugging technology and gravel packing sand control technology this year. By the end of July, the 122 horizontal wells of the plant were brought back to life with a cumulative increase of 39,700 tons of crude oil, with an input-output ratio of as high as 1: 7.32. Horizontal well technology is ordinary heavy oil and