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截至2013年底,中国石油长庆油田油产量当量达到5000万吨,2008年提出的建设“西部大庆”的目标如期实现。长庆油田成立于1970年,是我国第二大含油气盆地鄂尔多斯盆地的勘探开发主体。成立之后13年内,主要勘探目标是侏罗系油藏,并相继发现了马岭、红井子等一批相对高渗的侏罗系油藏,使该油田的产量达到100万吨以上。到了上世纪80年代中期,侏罗系油藏的勘探陷于停顿,油田产量止步不前。
By the end of 2013, the oil equivalent of Changqing Oilfield of PetroChina reached 50 million tons, and the goal of building “Western Daqing” proposed in 2008 was fulfilled on schedule. Founded in 1970, Changqing Oilfield is the main exploration and development unit of Ordos Basin, the second largest petroliferous basin in China. Within 13 years after its establishment, the main exploration target was the Jurassic reservoir, and a number of relatively hypertonic Jurassic reservoirs such as Maling and Hongjingzi were discovered in succession, bringing the oil production to over 1 million tons. By the mid-1980s, the exploration of the Jurassic reservoirs was at a standstill, and oilfield production was halting.