中国新增油气探明经济可采储量特征分析

doi:10.3969/j.issn.1672-7703.2022.05.002

摘要/Abstract

摘要： 2005年以来，中国建立起了油气经济可采储量序列，文章总结了该序列在全国及主要油公司的新增演化，论述“十一五”至“十三五”中国新增油气探明储量及新探明的38个大型—特大型油/气田或区块的基本特征。在分析全国及中国石油新增原油、天然气探明经济可采储量历程基础上，重点讨论在规模、丰度、储层物性、埋深等方面的分布与分类特征。采用探采比、技术/经济采收率等指标对中国15年新增的油气探明储量进行综合评价。指出新增油气探明储量存在“三减三增”的趋势，即探采比、采收率和整装规模的减小趋势，以及致密储层、低—特低丰度储量和埋深的增加趋势，揭示中国新增储量总体劣质化的态势。探采比指标对评价勘探成效具有战略意义。加快建立适应中国油公司自身特点的经济可采储量分类系统与管理体系，可以更好地适应油气勘探领域的特点，进一步满足开发上产的需求。

关键词: 中国石油, 中国石化, 中国海油, 探明储量, 经济可采, 探采比, 经济采收率

Abstract: Since 2005, the economic recoverable oil and gas reserve, a new category of reserve indicator, has been established in China. The process of the newly increased economic recoverable reserve in China and major oil companies is summarized, and the basic characteristics of the proved new addition oil and gas reserves as well as 38 newly proved large to extra-large scale oil/gas fields or blocks from the 11^th Five-Year Plan to the 13^th Five-Year Plan period in China are discussed. After analyzing the history of the proved new addition economic recoverable oil and gas reserves in China and PetroChina, the distribution and classification characteristics of reserve size, reserve abundance,porosity and permeability of reservoir and burial depth are focused. Then the proved new addition oil and gas reserves in China in the past 15 years are comprehensively evaluated by applying indicators such as finding reserve replacement ratio (FRRR) and technical/economic recovery factor. The study results show that the proved new addition oil and gas reserves have the trend of “three decreases and three increases”, that is, the decrease of FRRR, recovery factor and scale of the integrated oil/gas field, and the increase of tight reservoir, low to ultra-low abundant reserve and burial depth, indicating an overall deteriorating of the new addition oil and gas reserves in China. FRRR is an indicator that has strategic significance for the evaluation of exploration effectiveness. It is suggested to speed up the establishment of economic recoverable reserve classification system and management system adapted to the characteristics of Chinese oil companies to better apply to the petroleum exploration field and further meet the needs of reserve development and production increase.

中图分类号:

TE121

王永祥, 杨涛, 徐小林, 鞠秀娟, 胡晓春. 中国新增油气探明经济可采储量特征分析[J]. 中国石油勘探, 2022, 27(5): 13-26.

Wang Yongxiang, Yang Tao, Xu Xiaolin, Ju Xiujuan, Hu Xiaochun. Characteristics of the proved new addition economic recoverable oil and gas reserves in China[J]. China Petroleum Exploration, 2022, 27(5): 13-26.

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