常规油气勘探程度分析新方法及其应用

doi:10.3969/j.issn.1002-302x.2020.06.007

摘要/Abstract

摘要： 客观认识油气勘探程度、油气资源潜力是国家制定产业政策、公司编制中长期发展规划的基础。文章认为业界现行的依据资源探明率判别勘探程度的做法并不能客观反映油气勘探现状，提出并建立了基于资源探明率、储量增长趋势、勘探目的层变化、油藏类型变化、储量品质及规模变化5项指标划分勘探程度的新标准。与传统评价结果相比，我国陆上重点盆地油气勘探程度均有明显提升；石油勘探程度总体处于中期偏后，松辽盆地和渤海湾盆地陆上石油勘探已进入晚期阶段，渤海海域、鄂尔多斯盆地、准噶尔盆地、塔里木盆地石油勘探处于中期阶段；天然气勘探程度低、潜力大，四川盆地、鄂尔多斯盆地和塔里木盆地天然气勘探进入中期阶段，具备稳定规模增储潜力。

关键词: 油气资源, 勘探程度, 资源量, 资源探明率, 勘探发现, 油藏类型

Abstract: An objective understanding of hydrocarbon exploration stage and resources potential is the basis for the State to formulate the industrial policies and the companies to compile the medium- and long-term development plans. According to this paper the current industrial method for identifying the exploration stage based on the proven rate of resources is unable to reflect the existing conditions of hydrocarbon exploration. It comes up with the new standards for division of exploration stages including five indicators based on the proven rate of resources, reserve growth trend, variations in target layers of exploration, variations in reservoir types, and variations in reserve grade and scale. As compared to the results from traditional assessment, the hydrocarbon exploration degree is obviously improved in China’s main onshore basins. Oil exploration is generally in the middle and later stages. Songliao Basin and Bohai Bay Basin are in their late periods for onshore oil exploration. The offshore area of Bohai Sea, Ordos Basin, Junggar Basin and Tarim Basin are in their middle stages of oil exploration. Natural gas exploration degree remains low with a great potential for exploration. Sichuan Basin, Ordos Basin and Tarim Basin enter their middle stages of natural gas exploration with the potential for a stable and substantial increase of reserves.

中图分类号:

李建忠　梁坤　武娜　马卫　佘源琦　杨慎. 常规油气勘探程度分析新方法及其应用[J]. 石油科技论坛, 2020, 39(6): 45-53.

Li Jianzhong, Liang Kun, Wu Na, Ma Wei, She Yuanqi, Yang Shen. New Method for Conventional Hydrocarbon Exploration Stage Division and Its Application[J]. Petroleum Science and Technology Forum, 2020, 39(6): 45-53.

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