塔里木盆地顺北油气田少井高产地质工程一体化做法与关键技术

doi:10.3969/j.issn.1672-7703.2024.03.005

摘要/Abstract

摘要： 塔里木盆地顺北油气田埋藏深度为7300～9000m，脆性地层破碎形成的缝洞型储层沿高陡走滑断裂带发育，断裂破碎带内部非均质性极强，且流体性质差异大。面对这类超深复杂的断控缝洞型油气藏，高效成井面临世界级挑战，单井费用高，效益开发难度大，没有现成的经验、技术可借鉴。顺北油气田以项目管理为抓手，建立了顺北油气田独有的“五有五提升”地质工程一体化管理模式，创新形成了“少井高产”七要素关键技术。近几年，少井高产地质工程一体化实现了质的飞跃，落实了4号、8号断裂带2个亿吨级资源阵地，新增石油探明储量为1.53×10⁸t、天然气探明储量为1620×10⁸m³，4号断裂带共部署井位20口，两年建成了130×10⁴t油当量产能阵地。与2016年开发动用的1号断裂带相比，高产井成功率提升了35%、单井产能提升了316%、单井发现探明储量提升了55%，实现了高效勘探，效益开发，其经验对其他同类型油藏开发具有较好的借鉴意义。

关键词: 顺北油气田, 断控缝洞型油气藏, 地质工程一体化, 少井高产

Abstract: The Shunbei oil and gas field in the Tarim Basin has a burial depth of 7300 to 9000 m. Fracture-cavity reservoirs develops along high and steep strike-slip fault zones which is formed by the fragmentation of brittle strata. The internal heterogeneity of the fault fracture zones is extremely strong, and the fluid properties vary greatly. Facing this type of ultra-deep and complex fault-controlled fracture-cavity oil and gas reservoirs, efficient well formation faces world-class challenges. The cost of a single well is high, and it is difficult to develop profitably. There is no ready-made experience and technology to learn from. Taking project management as the starting point, Shunbei has established unique "five-for-five improvement" geological engineering integrated management model, and has innovatively formed the seven-element key technologies of "fewer wells and higher production". In recent years, the integration of few wells and high production geological engineering has achieved a qualitative leap, and two hundred-million-ton resource positions in the No.four and No.eight fault zones have been implemented, adding 153 million tons of proven oil and 162 billion cubic meters of natural gas. A total of 20 wells have been deployed in the No.four fault zone, and a production capacity of 1.3 million tons of oil equivalent has been built in two years. Compared with the No.1 fault zone developed in 2016, the success rate of high production wells has increased by 35%, the productivity of single wells has increased by 316%, and the proven reserves discovered by single wells have increased by 55%. Efficient exploration and profitable development have been achieved, and its experience has reference significance for the development of other similar types of reservoirs.

Key words: Shunbei oil and gas field, fault-controlled fracture-cavity oil and gas reservoir, integration of geology and engineering, few wells and high production

中图分类号:

TE319

杨敏, 鲍典, 张娟, 罗发强, 罗攀登, 焦保雷. 塔里木盆地顺北油气田少井高产地质工程一体化做法与关键技术[J]. 中国石油勘探, 2024, 29(3): 45-56.

Yang Min, Bao Dian, Zhang Juan, Luo Faqiang, Luo Pandeng, Jiao Baolei. Integrated Geological Engineering Practices and Key Technologies for Few Wells and High Production in Shunbei Oil and Gas Field in Tarim Basin[J]. China Petroleum Exploration, 2024, 29(3): 45-56.

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