Study On The Potential Of Unused Reserves In Qingxin Oil Unite

The utilization of reservoir reserves is an important index to reflect the development effect of waterflooding in reservoirs.The scientific and reasonable calculation and utilization of the reservoir can be used to improve the waterflooding recovery.At present,there are many ways to evaluate the status of water drive reserves,and there is no uniform measure.Oil field exploration object is more and more complex,the newly discovered reserves taste gradually deteriorated,the development of economic benefits decline,the technical difficulty required to increase,resulting in the majority of oil fields are present in varying degrees of unused reserves.China’s oil field has a large number of unused reserves,these reserves to low permeability-low permeability-based,low abundance of reserves.In view of this situation,the paper puts forward the comprehensive evaluation standard of quality and quality of reserves,and takes the reservoir of Andaqing as an example.Anda new unit is the main unit of our country,the annual output of 5.6 million tons of oil in 2011,for the sustained and stable development of China’s oil field has played an important role.In the past few years,the new oil field has made great contribution to China’s oil industry.However,after long-term waterflooding development,due to the deterioration of well water condition,serious damage,development measures and reservoir heterogeneity and other factors,the use of a class of sand body is poor,making the unit injection and production of contradictions,The degree of control and the degree of waterflooding control of the second class sand body sand 32 layer of the use of better condition,three types of sand sand sand 32 with the use of good condition,the old oil field water development situation is grim.Therefore,through the three indicators to best reflect the quality of the use of reserves to improve the degree of water drive control,two-way and above the corresponding rate of mining and recoverable reserves of different levels according to different levels of assignment,the dimensionless,established reserves Use the quality of the comprehensive evaluation criteria.It is possible to improve the quality and recovery of reserves in waterflooding reservoirs and to improve the development effect,and to guide the development of high water cut reservoirs.At the same time,the development of high water cut reservoirs can be improved.For the same kind of reservoirs under the direction of digging potential.This paper analyzes the quality of the new unit storage and storage,and analyzes the factors that affect the quality of the storage from three aspects: static,dynamic and management.It is expectedthat after the implementation of the plan,the proportion of injection and production increases from 75.2% to 89.4%,the degree of water flood control increases from 70.9% to 84.6%,the degree of network control is increased from 72.7% to 92.3%,and it is expected that the recoverable reserves 21.8×10~4t.This paper studies the reservoir status,geological characteristics,technical route,reservoir geological modeling method,reservoir potential evaluation,and the quality of reservoir utilization,taking the reservoir as an object of study in order to understand the unused reserves in reservoirs.Factors,the remaining oil analysis and test area to determine and program design.Which provides an exploratory study on the efficient development of the later reservoirs.