China oil network news reporter was informed that in September 12th three, Turpan Hami Santanghu oilfield Lake Block 218, more than six months after the comprehensive treatment, daily water injection volume by 190 cubic meters to 400 cubic meters, crude oil production increased from 44.5 tons to 55.5 tons, production has been rising.
The main contradiction in three low sandstone reservoir waterflood direction and strong water flooding swept volume small, technical personnel with increasing, and blocking water governance, training measures to improve injection wells, formation pressure, pressure to increase effective direction, water plugging and drive to expand the swept volume. More than half a year, the completion of injection wells measures 19 times, training wells 15 repeated fracturing, 6 new results. Reference Niujuanhu "five steps" of refracturing technology policy, preferably one or two wells refractured implementation in 9 wells, the average daily single well increased 3 tons of oil, the formation of Lake Block 218 refractured countermeasures.
Technical personnel in accordance with the overall planning, step-by-step implementation, timely optimize the first fertilizer thin, ideas, in the full awareness of the lake 218 block reservoir development characteristics, a kind of well around the group, the main consideration of two kind of well group, preferably three well group governance, to increase reserves and improve the single well production, the block development effect is improved obviously.
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