顺北油田顺北4号断裂带中段断控储集体连通性评价

doi:10.7657/XJPG20230410

摘要/Abstract

摘要：

顺北4号走滑断裂带断控储集体类型多样，各储集层空间位置，影响储集体连通能力，制约不同部位油井产量。通过探讨一种在钻前评价目标储集体连通能力的方法，对顺北4号走滑断裂带中段断控储集体连通性展开评价。结果表明，顺北4号走滑断裂带中段断控储集体共划分为4个分隔单元，各分隔单元内部洞穴连通率均超过50%，高角度裂缝延伸，垂向洞穴累计厚度大，连通能力较强，分隔单元3与分隔单元4内部的有利目标获取高产概率较大。

关键词: 顺北油田, 顺北4号走滑断裂带中段, 断控储集体, 连通性评价, 三维可视化, 裂缝预测, 分隔单元

Abstract:

There are various types of reservoirs in the fault-controlled reservoir system in the Shunbei No.4 strike-slip fault zone, and the spatial positions of the reservoirs affect the connectivity of the reservoir system and restrict the production of oil wells in different locations. A method of pre-drilling evaluation on the connectivity of target reservoir system was proposed to evaluate the connectivity of fault-controlled reservoir system in the middle section of the Shunbei No.4 strike-slip fault zone. The results show that the fault-controlled reservoir system in the middle Shunbei No. 4 strike-slip fault zone can be divided into 4 compartmental units. The connectivity rates of internal caverns of the 4 compartmental units all exceed 50%, with extended high-angle fractures, large cumulative thickness of vertical caves, and strong connectivity. The favorable reservoirs in compartmental units 3 and 4 indicate high probabilities in obtaining higher production.

Key words: Shunbei oilfield, middle section of Shunbei No.4 strike-slip fault zone, fault-controlled reservoir system, connectivity evaluation, 3D visualization, fracture prediction, compartmental unit

中图分类号:

TE122

刘军, 廖茂辉, 王来源, 龚伟, 黄超, 查明. 顺北油田顺北4号断裂带中段断控储集体连通性评价[J]. 新疆石油地质, 2023, 44(4): 456-464.

LIU Jun, LIAO Maohui, WANG Laiyuan, GONG Wei, HUANG Chao, ZHA Ming. Static Connectivity Evaluation on Fault-Controlled Reservoir System in the Middle Section of Shunbei No.4 Fault Zone，Shunbei Oilfield[J]. Xinjiang Petroleum Geology, 2023, 44(4): 456-464.

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