潜山缝洞型碳酸盐岩油藏产能评价模型及影响因素分析

Productivity evaluation model and influencing factors analysis of fractured vuggy carbonate reservoir in buried hill

胜利油田潜山缝洞型碳酸盐岩油藏未动储量资源比较丰富,但由于未动用储层产能差异大、产能的主控因素及评价模型还不明确,因此油藏难以合理有效的进行开发,为提高缝洞型潜山油藏的开发效果,找到影响缝洞型潜山油藏产能的主控因素,本文通过开展潜山缝洞型碳酸盐岩油藏产能模型测试,建立缝洞型潜山油藏产能预测模型并分析产能影响因素,研究表明,储容比、井筒储集系数、表皮系数和窜流系数对潜山缝洞型碳酸盐岩油藏直井产能影响较大,本文研究内容对于实现潜山缝洞型碳酸盐岩油藏的储量动用具有一定的指导意义。

Shengli oilfield buried hill fracture cave carbonate reservoir is rich in undeveloped reserves.However,due to the problems of low understanding of favorable reservoirs and large differences in production test and production capacity,it is difficult to develop the reservoir reasonably and effectively.In order to improve the development effect of fracture cave buried hill reservoir and find out the main control factors that affect the production capacity of fracture cave buried hill reservoir,this paper has developed the productivity model test of fracture cave carbonate reservoir in buried hill is carried out,the productivity prediction model of fracture cave carbonate reservoir is established,and the influencing factors of productivity are analyzed.The research shows that the storage capacity ratio,wellbore storage coefficient,skin factor and channeling flow coefficient have a great influence on the vertical well productivity of fracture cave carbonate reservoir in buried hill.The research content of this paper is very important for realizing the benefit development of fracture cave carbonate reservoir in buried hill the meaning of the need.