| With the increasing exploration and reservoir transformation technology andChina’s energy development strategy, especially the development oflow-permeability oil reserves has become China’s onshore oil industry importantpotential of the steady development of low permeability, technology, is the futuredirection of oil industry’s sustainable development. Low permeability oilfield orultra (ultra) rich reserves of the low permeability oilfields, will be the main resourcebase for quite a period of time to increase production. Therefore, the exploration anddevelopment of low permeability reservoir can not be ignored, and the mining planand Study on percolation mechanism of low permeability oilfield, is of greatsignificance for development of technology. For extra low permeability reservoirfluid percolation is the starting pressure gradient of oil reservoir with non Darcypercolation and elastic-plastic deformation characteristics, reasonable developmentmode in the long-term exploration process, Yanchang oilfield proposes an improvedreservoir development effect effective water injection development mode, namelythe advanced water injection. But the research of advanced water injection toimprove the development effect and the mechanism of advanced water injectiondevelopment technology policy less. Therefore, based on the reservoir as an examplehas important theoretical significance and practical application value to carry out themechanism about advanced water injection and development technology policyresearch. |
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