石油学报 ›› 2020, Vol. 41 ›› Issue (4): 412-420.DOI: 10.7623/syxb202004004

• 地质勘探 • 上一篇    下一篇

顺北地区超深层断溶体储层空间雕刻及量化描述技术

刘宝增1, 漆立新1, 李宗杰1, 刘军1, 黄超1, 杨林1, 马灵伟2, 龚伟1   

  1. 1. 中国石油化工股份有限公司西北油田分公司 新疆乌鲁木齐 830013;
    2. 中国石油化工股份有限公司石油物探技术研究院 江苏南京 210094
  • 收稿日期:2019-06-20 修回日期:2019-12-04 出版日期:2020-04-25 发布日期:2020-05-09
  • 通讯作者: 刘宝增,男,1966年5月生,1987年获河北地质学院经济学学士学位,现为中国石油化工股份有限公司西北油田分公司高级会计师,主要从事油气勘探开发研究与管理工作。Email:lbz.xbsj@sinopec.com
  • 作者简介:刘宝增,男,1966年5月生,1987年获河北地质学院经济学学士学位,现为中国石油化工股份有限公司西北油田分公司高级会计师,主要从事油气勘探开发研究与管理工作。Email:lbz.xbsj@sinopec.com
  • 基金资助:

    国家科技重大专项(2017ZX05005-004)资助。

Spatial characterization and quantitative description technology for ultra-deep fault-karst reservoirs in the Shunbei area

Liu Baozeng1, Qi Lixin1, Li Zongjie1, Liu Jun1, Huang Chao1, Yang Lin1, Ma Lingwei2, Gong Wei1   

  1. 1. Sinopec Northwest Oil Field Company, Xinjiang Urumqi 830013, China;
    2. Sinopec Geophysical Research Institute, Jiangsu Nanjing 210094, China
  • Received:2019-06-20 Revised:2019-12-04 Online:2020-04-25 Published:2020-05-09

摘要:

塔里木盆地顺北地区碳酸盐岩发育断溶体储层。断溶体纵向深度大、内部非均质性极强,其展布主要受深大走滑断裂带控制。断溶体的储集空间主要为洞穴、孔洞和裂缝。断溶体储层在不同级别断裂带、同一断裂带不同分段内的发育程度有明显差异。如何准确刻画断溶体的空间位置、体积和连通性已成为断溶体油藏勘探开发的主要难点。基于正演模拟和井震结合的储层地震反射特征所分析的断溶体储层地震识别模式,结合结构梯度张量分析、增强相干处理的自动断层提取技术、相控波阻抗反演技术可对断溶体储层的边界及内部特征进行描述,并对断溶体储层进行空间雕刻及储量计算。利用单井产量、动态储量可对结果进行验证。

关键词: 塔里木盆地, 顺北地区, 超深层, 碳酸盐岩, 断溶体

Abstract:

Fault-karst reservoirs are developed in carbonate rocks of the Shunbei area, Tarim Basin. Fault-karst is characterized by large vertical depth and strong internal heterogeneity, and its distribution is mainly controlled by deep strike-slip fault belts. The reservoir spaces of fault-karst are mainly caves, cavities and cracks. The development of fault-karst reservoir is different in different levels of fault belts and different sections of the same fault belt. How to accurately characterize the spatial position, volume and connectivity of fault-karst has become the main difficulty in the exploration and development of fault-karst reservoirs. Technically, based on the seismic reflection characteristics of forward modeling and log-seismic data, in combination with gradient structure tensor analysis, automatic fault extraction technology for enhancing coherence processing, and phased wave impedance inversion technique, the seismic identification model of fault-karst reservoir can be used to describe its boundary and internal characteristics, and conduct the spatial characterization and reserve calculation. The results can be verified by single well production and dynamic reserves.

Key words: Tarim Basin, Shunbei area, ultra-deep strata, carbonate rock, fault-karst

中图分类号: