Study On Technical Policy Limit Of Layer System And Well Pattern Stereoscopic Development On Fault-block Of Yong 3

At present complex fault block oil reservoir of Sheng-li oil field all generally enter to the especially high watery time. This kind of oil reservoir's non-isotropic is strong, the break system and the perquisite relations is complex, and it has experienced many times layer and pattern's modification, In view of above characteristic, this article selects Y3 fault blocks whose geological feature and development characteristic all have representative to take the topic research. Through carring on system analysis to ireservoir survey and the development characteristic, including: geological survey analysis, such as break system, reservoir nature and perquisite relations and so on; appraise of reserves use condition, formation well pattern compatibility, water drive effect, energy condition and recovery ratio, Find current block reservoir have conflicts of intensity non-homogeneous, serious interference between layers, unbalanced reserves using, well pattern and well type can not meet the substantially enhanced oil recovery needs and so on, So in order to maximize the fault block reservoirs'recovery, we study block reservoir stereo technology of development. Comprehensive applying various remaining oil methods, we analyze the remaining oil distribution and its potential; Setting economic limit of initial production and reserve control of different well type at different oil price, single well economic limit water-cut and single-layer development technology policy limit, the formation reorganization technology policy limit, the pattern well spacing development technology economic policy limit. Though evaluating the technical limits'application, we find it can greatly enhanced oil recovery.