Several important issues about current oil and gas exploration in China

doi:10.7623/syxb2012S1002

ACTA PETROLEI SINICA ›› 2012, Vol. 33 ›› Issue (S1): 6-13.DOI: 10.7623/syxb2012S1002

• Petroleum Exploration • Previous Articles Next Articles

Several important issues about current oil and gas exploration in China

JIA Chengzao

Received:2012-03-19 Revised:2012-04-10 Online:2012-08-25 Published:2012-08-30

关于中国当前油气勘探的几个重要问题

贾承造

中国石油天然气集团公司　北京　100724

通讯作者: 贾承造
作者简介:贾承造，男，1948年3月生，1988年获南京大学博士学位，中国科学院院士，中国石油天然气股份有限公司原副总裁，从事构造地质学、石油地质综合研究和油气勘探管理工作。
基金资助:
国家重大科技专项“中国大型油气田及煤层气勘探开发技术发展战略”（2011ZX05043）资助。

Abstract

Abstract:

The gap between supply and demand for oil and gas is widening, yet exploration situation is severe in China. From the current situation of oil and gas exploration, this paper focuses on the analysis of global oil and gas exploration trend, current challenges of China's oil and gas exploration, basic problems of unconventional oil and gas exploration, as well as current oil and gas exploration theory and key issues. Global oil and gas exploration area is no longer limited by the degree of exploration, and gradually follows the trend of shifting to deep water, deep formation, unconventional, arctic area and other newly developed areas. China's key oil and gas bearing basins gradually enter the intensive oil and gas exploration, featuring that exploration depth increases, target reservoirs are more subtle, physical properties of reservoir are worse and technical difficulties of oil and gas exploration development engineering are gradually greater. Overseas oil and gas exploration development strategy of China’s energy enterprises is faced with a number of challenges such as difficult block acquisition, political risk increase, higher requirements for exploration technology and so on. Geological theory and resource assessment of unconventional oil and gas and other core technologies require more researches. Borehole, fracturing and other key development technologies need to strengthen field test research. Under the guidance of new geological theory for oil and gas exploration, the paper highlights to explain 9 bottleneck problems, such as the whole process model of organic hydrocarbon generation, expulsion, migration and accumulation in the actual geological conditions, the evaluation on petroleum resource potential in the basins undergoing the tectonic transformation, pore throat structure and hydrocarbon percolation mechanism for the low permeability-tight reservoirs, hydrocarbon formation conditions and exploration direction of the large-size lithostratigraphic reservoir and continuous unconventional oil gas in China, and so on.

Key words: oil and gas exploration trend, oil-gas exploration challenges, unconventional oil and gas, new generation of geological theory for oil and gas exploration, key issues

摘要：

中国油气供需缺口加大，勘探形势严峻。本文从当前油气勘探面临的形势出发，着重分析了全球油气勘探趋势、中国当前油气勘探面临挑战、非常规油气勘探的基本问题，以及当前油气勘探理论与关键问题。全球油气勘探领域不再受勘探程度的限制，逐渐呈现出向深水、深层、非常规、北极等新区、新领域转移的趋势。中国重点含油气盆地逐步进入较高油气勘探程度，勘探深度加大、目标更为隐蔽、储层物性更差，油气勘探开发工程技术难度逐渐加大。中国能源企业海外油气勘探开发战略面临区块获取困难、政治风险增加、勘探技术要求更高等多方面挑战。非常规油气地质理论与资源评价等核心技术需要加强研究，井筒和压裂等关键开发技术需要加强现场试验攻关。在新一代油气勘探地质理论指导下，重点解决地质条件下全过程的有机质烃类生-排-运-聚模型、构造改造盆地的油气资源潜力评价、低渗-致密储层的孔喉结构与油气渗流机理、中国大型岩性地层油气藏与连续型非常规油气的形成条件与勘探方向等9个关键问题。

关键词: 油气勘探趋势, 油气勘探挑战, 非常规油气, 新一代油气勘探地质理论, 关键问题

JIA Chengzao. Several important issues about current oil and gas exploration in China[J]. ACTA PETROLEI SINICA, 2012, 33(S1): 6-13.

贾承造. 关于中国当前油气勘探的几个重要问题[J]. 石油学报, 2012, 33(S1): 6-13.

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Several important issues about current oil and gas exploration in China

关于中国当前油气勘探的几个重要问题

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