Study Of Resesvoir Internal Architecture Of Triaxial-Compound District Of North-east Arear Of Lamadian Oil Field

Residul oil distribution in high water oilfield is a worldwide difficult problem.While oilfield enters into specially high water phase.Residual oil in reservoir rocks became high disperse state, which makes tapping potentiality more difficult. As theory that reservoir internal architecture was advanced and developed, it supplied important foundation for residual oil research.In this paper, the author particular analysis core hole and established.The partition of stratum gyration of key layers in the area, then stratigraphic analyzed the 209 well and identified microfacies of the target area, then established the mode of facies. According in the same unit, each production well microfacies determine plane deposition unit microfacies and monosandbody space distribution, realize monosandbody discernment. On the foundation, we summarized the results of field outcrop and fluvial engineering, drew parameter of underground monosandbody internal architecture. The author fine describe the fourth grade lateral accretion body and thin separate bedding in it of internal sandbody. We researched and computed inclination of architecture, and summarized thin separate bedding space structure of distributary channel. the author also analyzed the extent that thin separate bedding affected form and distribution of residual oil. At last, according to the result for further development of oil field.