Research on the Match Between Lateral Accretion Shale Bedding
of Point Bar and Flood Pattern

doi:10.11885/j.issn.1674-5086.2013.09.14.02

Abstract

Abstract:

Based on the reservoir architecture model of Gangdong Oilfield，the matching between lateral accretion shale bedding
of point bar and flood pattern is analyzed. The effects of different well networks on the development efforts are studied
respectively，including vertical well，horizontal well and sidetracking horizontal well. The results show that，a better development
effect can be obtained with a low ratio of injection-production wells and the line of wells vertical to lateral accretion
shale bedding when row pattern is utilized for exploitation. In horizontal wells development，when the horizontal section is
perpendicular to incident lateral accretion shale bedding，remarkable effects can be achieved. The horizontal section should
be keep away from injection wells when sidetracking horizontal wells were drilled out for potential tapping. In this study，
remarkable potential tapping results were achieved when the horizontal section was three lateral accretion shale bedding away
from injection wells，and horizontal section crossing with lateral accretion shale bedding at a 45-degree angle. The results of
study are applied to completion of injection-production pattern horizontal wells and sidetracking horizontal wells with the good
effect of oil increment.

Key words: internal architecture, point bar, lateral accretion shale bedding, flood pattern, matching

Liu Wei1，2, Ding Yajun3, Song Zhicong4, Luo Shuiliang5. Research on the Match Between Lateral Accretion Shale Bedding
of Point Bar and Flood Pattern[J]. 西南石油大学学报(自然科学版), DOI: 10.11885/j.issn.1674-5086.2013.09.14.02.

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