渤中34-9油田储层敏感性评价

Reservoir sensitivity evaluation for Bozhong 34-9 Oilfield

摘要:

渤中34-9油田为我国海上首个火成岩发育区的大型油田，油田位于渤中34围区，其主要目的储层为东三段和沙河街组。为加强油田储层保护，提高油气产量，本文通过分析储层岩性特征、孔渗特征和流体特征，对储层岩心进行速敏、水敏、盐敏、碱敏和酸敏储层敏感性评价，进而直观、定量地评价该油田储层损害因素，并针对性地提出预防和减少储层侵害的合理化建议，对渤中区块储层保护工作具有重要的现实意义。

Abstract:

Bozhong 34-9 Oilfield located in Bozhong 34 Embanked Zone is the first large-scale oil field in the offshore igneous rock developed region of China. The target reserviors of Bozhong 34-9 Oilfield are Dongsan Part and Shahejie Formation. In order to strengthen reservoir protection and increase oil and gas production， this paper analyzes the reservoir lithology， porosity and permeability characteristics and fluid characteristics， and evaluates the cores from the reservoir in terms of velocity sensitivity， water sensitivity， salt sensitivity， alkali sensitivity and acid sensitivity. It is intended to evaluate reservoir damage factors intuitively and quantitatively， and put forward proper suggestions to prevent and reduce reservoir damage， which is of great practical significance to reservoir protection for the Bozhong block.