Xinjiang Fengcheng oilfield operation area optimization of water injection water saving 24 thousand party
China oil network news in 2017, to carry out optimization of water diversion work in 88 wells oil Xinjiang Fengcheng oilfield operation area, including 25 up-regulated and 52 down regulated, variable strength water 9, intermittent water injection in 2 year, reduce invalid injection volume is 24 thousand cubic meters, increased production capacity of 1514 tons, reducing the production of 9248 cubic meters of water drop. The efficiency of work and achieved good results.
There are 3 water treatment units and 444 water injection wells in this operation area, which are distributed in 18 development units. The average daily water injection in the operation area is over 2490 cubic meters, which does not contain the reinjection amount of heavy oil purification sewage. In the face of thin oil in old oilfield in high water cut rising water consumption, water injection rate increased as the main contradiction, put forward to the oil company's operation area "enough water injection, water injection, fine water injection, effective water injection" as the core, based on upholding the fine water injection management, adhere to a month early held regular water meeting summary last month the completion of the work and the existing problems, work arrangements for the deployment of next month.
In the dynamic reservoir management, adhere to the "season month" work, analysis of injection 3 quarter report block carried out throughout the year, the geological personnel to wells water dynamic changes of yield, as a starting point, in-depth research on single well connectivity, making reasonable water diversion measures; on the low yield of single well in low efficiency wells 0.5 tons by reducing or stopping injection, reduce the inefficient development area for the main blocks of invalid injection; well group and single well high yield wells, closely tracking the situation of production, to ensure the well group and single well water drinking enough water to consolidate the stable oil production base, so as to effectively alleviate the contradiction of injection production wells, lowering the efficiency of objective.
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