Field operation of high pour point chemical flooding in Liaohe Oilfield
China oil network news November 6th, reporters from the exploration and Development Research Institute of Liaohe Oilfield was informed that, in charge of the Institute of Liaohe Oilfield the first high pour point oil chemical flooding pilot test of "84- Shen An 12 block of high pour point oil reservoir chemical flooding pilot project" has entered the field implementation stage, there are 4 new wells drilled, 5 port Nii Masa, were drilled to show good oil.
It is understood that Shen 84- 12 block is the Liaohe Oilfield reserves scale and production scale of the largest condensate oil accumulation reservoir. After 30 years of water injection development, the block has a comprehensive water cut of 95.6%, which is in the stage of high water cut and low speed development, and the water flooding further improves the recovery rate. After a series of research and demonstration, the technical personnel finally determined the development mode of chemical flooding to improve the recovery rate of the block.
Since the end of 2014 take Shen 84- an 12 block related research work, scientific research personnel has completed coring deployment, high coverage of VSP deployment, edge rolling exploration work, the successful implementation of edge rolling combined with increasing storage capacity in the Ministry of construction, edge rolling exploration wells 3, new oil geological reserves of 700 thousand the opening of the 22 tons, a well group in the main base area to implement the three element composite test, the deployment of 60 new wells, is expected to improve the recovery rate of more than 20%.
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