辽河坳陷欢喜岭油田稠油成藏条件及勘探开发关键技术

doi:10.7623/syxb202104010

石油学报 ›› 2021, Vol. 42 ›› Issue (4): 541-560.DOI: 10.7623/syxb202104010

辽河坳陷欢喜岭油田稠油成藏条件及勘探开发关键技术

李晓光

中国石油辽河油田公司勘探开发研究院辽宁盘锦 124010

收稿日期:2020-11-09 修回日期:2021-01-08 出版日期:2021-04-25 发布日期:2021-05-11
作者简介:李晓光,男,1966年6月生,1989年获华东石油学院学士学位,2008年获中国石油大学(北京)博士学位,现为中国石油辽河油田公司首席技术专家、教授级高级工程师,主要从事油气勘探开发综合管理工作。Email:lxg6@petrochina.com.cn
基金资助:
国家科技重大专项"渤海湾盆地北部油气富集规律与增储领域研究"（2016ZX05006-005）和中国石油天然气股份有限公司科技重大专项"辽河油田千万吨稳产关键技术研究与应用"（2017E-16）资助。

Accumulation conditions,key technologies for exploration and development of heavy oil in Huanxiling oilfield, Liaohe depression

Li Xiaoguang

Research Institute of Exploration&Development, PetroChina Liaohe Oilfield Company, Liaoning Panjin 124010, China

Received:2020-11-09 Revised:2021-01-08 Online:2021-04-25 Published:2021-05-11

摘要/Abstract

摘要： 欢喜岭油田位于辽河坳陷西部凹陷西斜坡南段，生-储-盖组合条件优越，发育翘倾断块披覆型复式圈闭带和9种圈闭类型。优质的生-储-盖条件保证了欢喜岭地区大规模油气成藏，具有良好的勘探潜力。斜坡构造是欢喜岭油田油气运聚的指向区，流体包裹体分析指示多期油气充注，主要成藏期为沙河街组三段和东营组沉积期。依托复式油气成藏理论，欢喜岭地区发现稀油、稠油多种油气藏类型，油气储量规模达5×10⁸t。针对油田油藏埋藏跨度大、含油层系多、非均质性严重、油品类型多样的特点，在预探阶段形成多批次地震资料连片处理解释技术、基于地质模型的薄储层反演技术，提高了油层解释精度；在开发阶段形成稠油蒸汽驱物理模拟技术、热采稠油油藏精细描述技术、普通稠油蒸汽吞吐技术、中—深层稠油蒸汽驱技术，并配套完善了稠油分注、选注、防砂、举升等工艺技术，提高了原油采收率，为欢喜岭油田高效勘探和开发提供了技术保障。

关键词: 辽河坳陷, 欢喜岭油田, 稠油, 成藏条件, 蒸汽吞吐, 蒸汽驱

Abstract: Located in the southern section of the western slope of the Western sag in Liaohe depression, the Huanxiling oilfield has excellent source-reservoir-caprock combination conditions and has developed the composite drape trap belt of tilting fault block and nine trap types. The high-quality source-reservoir-caprock conditions ensure large-scale hydrocarbon accumulation in the Huanxiling area, which has good exploration potential. The slope structure is the target region for hydrocarbon migration and accumulation in the Huanxiling oilfield. The analysis of fluid inclusions indicates multiple periods of hydrocarbon charging. The main accumulation periods are the deposition periods of the Member 3 of Shahejie Formation and the Dongying Formation. Based on the theory of composite oil and gas accumulation, various types of light oil and heavy oil reservoirs have been discovered in the Huanxiling area, and the oil and gas reserves reaches 5×10⁸t. According to the characteristics of oil reservoirs such as large burial span, multiple oil-bearing strata, severe heterogeneity, and varied types of oil in the oilfield, multiple batches of merging processing and interpretation technologies of seismic data and inversion technologies of thin reservoirs based on geological models have been developed in the preliminary exploration stage, thus improving the accuracy of reservoir interpretation. In the development stage, this study has developed the physical simulation technology of steam drive of heavy oil, the fine description technology of thermally recovered heavy oil reservoirs, the steam stimulation technology of ordinary heavy oil, the steam drive technology of middle-deep heavy oil. Supporting technologies such as separate injection, selective injection, sand control, and lifting of heavy oil have been completed, and the crude oil recovery has been improved, thus providing a technical support for the efficient exploration and development of the Huanxiling oilfield.

Key words: Liaohe depression, Huanxiling oilfield, heavy oil, accumulation conditions, steam stimulation, steam drive

中图分类号:

TE122.3

李晓光. 辽河坳陷欢喜岭油田稠油成藏条件及勘探开发关键技术[J]. 石油学报, 2021, 42(4): 541-560.

Li Xiaoguang. Accumulation conditions,key technologies for exploration and development of heavy oil in Huanxiling oilfield, Liaohe depression[J]. Acta Petrolei Sinica, 2021, 42(4): 541-560.

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辽河坳陷欢喜岭油田稠油成藏条件及勘探开发关键技术

Accumulation conditions,key technologies for exploration and development of heavy oil in Huanxiling oilfield, Liaohe depression

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