ABSTRACT

The study of scattered small faults represented by isolated breakpoints is an important research direction in the middle and later stages of oilfield development. Although these faults have a small fault distance and short extension, they control the distribution of oil and water and the connection between oil and water wells and play an extremely important role in oilfield development. The occurrence and combination of scattered small faults are difficult to determine because there are few wells drilled and the three-dimensional seismic reflection signal is weak. In this paper, the distribution characteristics and formation principle of the remaining isolated breakpoints after the reorganization of large faults are systematically analyzed. Through the plane and section display of breakpoint data in two-dimensional drawing software and three-dimensional visual and structural modeling in modeling software, the research on small faults is strengthened, and the best combination method of isolated breakpoints is discussed.