China Petroleum network news, the reporter learned from the Liaohe Oilfield, the current Liaohe SAGD crude oil production capacity reached 3000 tons, half a year cumulative oil production of 534 thousand tons, ultra planned 8000 tons. According to reports, with more than half of the time, SAGD development tasks more than half of this year's Liaohe SAGD production breakthrough million tons, victory in sight.
Since it was put into operation in 2005, SAGD has become an important tool for Liaohe Oilfield to achieve stable production of 10 million tons, because of its strong oil recovery capacity, high oil recovery rate, high oil production rate and high input output ratio. This year, Liaohe vigorously promote SAGD production and construction projects, and strive for the first time to achieve an annual output scale of one million tons mark, which means that Liaohe oilfield production of 10 tons of crude oil, there will be 1 tons of SAGD contribution.
The first half of this year, Liaohe oilfield through perfect well network, implement the overhaul of 8 wells, 1 wells sidetracking operations, centralized preheating flooding of 6 well groups, LAGACY all transferred to the SAGD production, Nissan 230 tons of oil to increase power SAGD.
According to the dynamic analysis, researchers have taken measures such as increasing steam injection point, adjusting steam injection, regulating production volume and so on, to achieve the recovery of SAGD 100 ton well. The well group is preheated and the injection production regulation is strengthened to effectively improve the connectivity effect of the well group and to improve the oil drain capacity of each well group. Among them, the daily oil production at H72 wells at Du 84- reservoir has increased by 30 tons.
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