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本文简述了克拉玛依油田一区石炭系油藏复压曲线的解释结果,并通过质量检验,与油藏地质、油井生产和油田开发动态实际对比,证明解释结果是可靠的。在此基础上,着重研究了该油藏复压曲线的形态特征及其形成机理,得出一区石炭系火山岩油藏属于非典型性裂缝—孔隙双重介质油藏类型。最后,从油藏开发应与油藏地质特征相一致的原则出发,提出了改进注水方式的技术要求。
In this paper, the interpretation of the pressure-build-up curves of Carboniferous reservoirs in the first Karamay oilfield is briefly described. The results of the interpretation are proved to be reliable by comparing with the reservoir geology, oil well production and oilfield development through quality inspection. Based on this, the morphological characteristics and formation mechanism of the pressure-build-up curves of this reservoir are emphatically studied. It is concluded that the Carboniferous volcanic reservoirs in this area belong to the atypical fracture-pore dual-medium reservoir type. Finally, based on the principle that the reservoir development should be consistent with the geological characteristics of the reservoir, the technical requirements for improving the water injection mode are put forward.