中国石油精细油藏描述进展与展望
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TE122.3

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国家科技重大专项“CO2驱油与埋存关键技术”(2011ZX05016-006)和中国石油天然气股份有限公司勘探与生产分公司“精细油藏描述项目”(2019-40217-000019)资助。


Progress in the fine description of reservoirs in China and its prospect
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    摘要:

    结合研究实践,将中国石油精细油藏描述研究进展总结为基于开发地震技术的复杂构造精细研究、潜山复杂岩性识别技术、井震结合储层精细预测技术、特低渗透储层裂缝表征技术、砾岩储层微观孔隙结构分类研究、基于密井网资料隔夹层刻画技术、砾岩油藏水淹层解释技术、油田开发过程中储层变化规律研究、砾岩储层水流优势通道识别技术、低渗透储层定量分类评价技术、断块油藏构型建模技术和多学科剩余油综合表征技术等12个方面。总结目前精细油藏描述研究中存在8方面问题,主要包括微构造(特别是低级序断层)解释无法满足油田开发需求、单砂体边界刻画和井间预测难度很大、裂缝表征与地质建模问题、碳酸盐岩缝洞型储层定量预测十分困难、复杂储层测井解释仍需持续攻关、水流优势通道识别预测问题、剩余油表征方法单一难以满足生产需要、精细油藏描述成果管理现状无法满足工作需求。最后指出了精细油藏描述研究的发展趋势。

    Abstract:

    The latest progress of the studies on reservoir's fine description of petroleum in China is shown as the following 12 aspects, fine earthquake technology-based complex structure study, complex buried hill lithology recognition technology, fine prediction technology of reservoir through combination of well data and seismic data, characterizing techniques for fissures of low permeable reservoir, classification of microscopic pore structure of conglomerate reservoir, interlayer insulation features based on the data of dense well pattern, water flooded layer interpretation of conglomerate reservoir, reservoir variation law during the development of oilfields, flow channel identification technology of conglomerate reservoir, quantitative classification evaluation of low permeable reservoir, configuration modeling of fault block oil reservoir and multidisciplinary comprehensive characterization technique of residual oil, etc. At present, in the fine description research of reservoir there exist the following eight aspects of problems, mainly including interpretation of microstructures (especially low sequence faults) failing to meet oilfield development needs, many difficulties in single sand body boundary features and interwell prediction, fracture characterization and geological modeling, many difficulties in the quantitative prediction of carbonate fractured-vuggy reservoir, logging interpretation of complex reservoirs still needing to be studied continuously, difficulties in inflow channel identification, a single remaining oil characterization method difficult to meet the production needs, and management status of fine reservoir description result that cannot meet the work requirements. Finally, the development trend in the fine description of reservoir is pointed out.

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引用本文

陈欢庆. 中国石油精细油藏描述进展与展望[J]. 中国地质, 2021, 48(2): 424-446.
CHEN Huanqing. Progress in the fine description of reservoirs in China and its prospect[J]. Geology in China, 2021, 48(2): 424-446(in Chinese with English abstract).

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  • 收稿日期:2020-05-07
  • 最后修改日期:2020-07-13
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  • 在线发布日期: 2021-05-06
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