地质工程一体化在大港油田勘探开发中探索与实践

doi:10.3969/j.issn.1672-7703.2018.02.002

摘要/Abstract

摘要： 大港油田属于典型的复杂断块油田，经历50多年的勘探开发，地下面临着"四高三低两失衡"的矛盾、地面面临征地和环保的双重压力，油价又处于持续低迷中，油田效益勘探开发和可持续发展面临严峻挑战。在系统梳理面临问题与挑战的基础上，围绕"五场建设"研究形成了具有大港油田特色的地质工程一体化模式，即增产建产项目化、团队组织协同化、研究设计平台化、现场实施模块化、生产管理数字化。目前，该模式的实践应用已见到了显著效果。在老油田"井丛场"产能建设实践中，做到了地质工程同步优化轨迹、地面地下井筒联动推演，实现集约化建井、简易化配套、工厂化作业；在老油田"二三结合"提高采收率实践中，系统开展关键技术研究、方案研究制定、生产动态调控，探索形成了满足不同油藏需求的三次采油提高采收率技术系列。实践表明，地质工程一体化是老油田在复杂地下、地面条件和低油价下实现了可持续发展的有效途径。

关键词: 地质工程一体化, “五场建设”, 井丛场, “二三结合”

Abstract: Dagang oilfield is a typical complex fault block oilfield. After over 50 years of exploration and development, it is facing the issues of "4 highs, 3 lows and 2 unbalances". Under the dual pressure of land requisition and environment protection, and the low oil price, how to realize economic exploration and development and maintain sustainable development is a great challenge. Based on reviewing the issues and challenges, centering on "five fields construction", an integrated geology and engineering model with Dagang oilfield characteristics has been established, that is production construction in project manner, synergistic team organization, platform research and design, modular field construction, and digitalized production management. To date, this model has worked well in production. In the "cluster well site" productivity construction of old oilfields, well trajectory optimization by integrated geology and engineering research, and coupled design of downhole and surface design have been adopted, realizing intensive well construction, simplified supportive work and factory-like operation. In the recovery enhancement practice by combining secondary recovery and tertiary recovery, key technologies, program design and production performance regulation have been studied systematically, working out a tertiary recovery series which can meet the needs of different reservoirs. The production practices show integrated geologic and engineering research is an effective way to realize sustainable development for old oilfields with complex underground and surface conditions under low oil price.

Key words: geology-engineering integration, “five fields construction”, well cluster site, “combination of secondary and tertiary recovery”

中图分类号:

赵贤正, 赵平起, 李东平, 武玺, 汪文昌, 唐世忠. 地质工程一体化在大港油田勘探开发中探索与实践[J]. 中国石油勘探, 2018, 23(2): 6-14.

Zhao Xianzheng, Zhao Pingqi, Li Dongping, Wu Xi, Wang Wenchang, Tang Shizhong. Research and practice of geology-engineering integration in the exploration and development of Dagang oilfield[J]. China Petroleum Exploration, 2018, 23(2): 6-14.

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