中国大油田的构成及20年变化分析

doi:10.11743/ogg20060416

摘要/Abstract

摘要：

以地质储量大于1×10⁸t为标准,统计2004年中国大油田的地质和可采储量的规模、区域、丰度和油质等的构成,产量的规模、储产比等的构成。将其与1984年相应数据作对比,认为以大型和巨型油田的地质和可采储量论,东部地区分别增加2.1和1.6倍,西部地区增加4.8和3.6倍,海域中的6个大油田全部为在该期达到大型油田的下限。2004年东部大、巨型油田的储量和产量仍居全国首要地位,全国大、巨型油田可采储量中,轻、中质油占68.2%,但海上大型油田全为重油。实践证明,今后包括东部在内的各区仍不断培育出大型油田,但必须正视其品级有所下降的问题。

关键词: 储量, 产量, 构成, 大油田, 中国

Abstract:

A statistical analysis of China's large oilfields(OIP>1?10⁸ t) is made in respect of the scales,locations,abundance,and crude quality of the geologic and recoverable reserves as well as the production,and reserve-production ratio of these oilfields in 2004.A comparison with the corresponding statistics in 1984 shows that the geologic and recoverable oil reserves of the large and giant oilfields in east china increased by 2.1 and 1.6 times respectively,while those in west China increased by 4.8 and 3.6 times respectively.Six offshore oilfields reached the lower limit of large fields.In 2004,the reserves and production rate of the large and giant oilfields in east China still remained the highest among all the oilfields in the country.Light and medium crude oil accounted for 68.2% of the recoverable oil reserves of these oilfields,while heavy oil dominated the large and giant offshore oilfields.Past experiences indicate that more large and giant oilfields will be discovered and developed in each oil region of China,but the crude quality will be on the downgrade.

Key words: reserve, production, composition, giant oilfields, China

中图分类号:

TE112.2

张抗. 中国大油田的构成及20年变化分析[J]. 石油与天然气地质, 2006, 27(4): 542-548,556. doi: 10.11743/ogg20060416 Zhang Kang. An analysis of the status of China's large oilfields and their changes during recent 20 years[J]. Oil & Gas Geology, 2006, 27(4): 542-548,556. doi: 10.11743/ogg20060416

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