Application of the Oil and Gas Geochemical Exploration in Low Permeability Oil and Gas Resources Exploration:Taking Yingnan 2 Gas Reservoir and an Ordos Oil Field as Examples

JIANG Tao，TANG Yu-ping，WU Xiang-hua,ZHANG Heng-qi

doi:10.11764/j.issn.1672-1926.2013.04.790

2013 , Vol. 24 >Issue 4: 790 - 797

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.04.790

Application of the Oil and Gas Geochemical Exploration in Low Permeability Oil and Gas Resources Exploration:Taking Yingnan 2 Gas Reservoir and an Ordos Oil Field as Examples

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1.Wuxi Research Institute of Petroleum Geology,Research Institute of Petroleum Exploration and Production,SINOPEC,Wuxi 214151,China；2.Hefei Training and Testing Center of Assets Management Co.Ltd.,SINOPEC,Hefei 230022,China；3.Institute of Geological Experimentation,Anhui Bureau of Geology and Mineral Resources Exploration,Hefei 230001,China

Received date: 2012-12-13

Revised date: 2013-03-08

Online published: 2013-08-10

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Abstract

The low permeability oil and gas resources include tight sandstone gas reservoirs and low permeability reservoirs,which have an important practical significance to increase the reserve and production in the current oil and gas exploration.Oil and gas geochemical exploration has the same exploration concept with the current dynamic oil and gas resource exploration,and has an advantage in low permeability oil and gas resources exploration.It is effective that geochemical anomaly indicates the reservoirs spatial distribution above the Yingnan 2 well in tight sandstone gas reservoir.Geochemical indicators causing high content of anomalies demonstrate the poor preservation condition of gas reservoir and the heavy lost of accumulated gas.The anomalous distribution characteristics of the geochemical indicators such as SC₁ and SC⁺₂,DC₁ can effectively reflect the distribution of the low permeability oil and gas area of an Ordos Oil Field.It plays an important role for geochemical exploration technology in the low permeability oil and gas resources exploration based on the two regional geochemical explorations.

Key words： Low permeability oil and gas resources; Oil and gas geochemical exploration; Exploration case

Cite this article

JIANG Tao，TANG Yu-ping，WU Xiang-hua,ZHANG Heng-qi . Application of the Oil and Gas Geochemical Exploration in Low Permeability Oil and Gas Resources Exploration:Taking Yingnan 2 Gas Reservoir and an Ordos Oil Field as Examples[J]. Natural Gas Geoscience, 2013 , 24(4) : 790 -797 . DOI: 10.11764/j.issn.1672-1926.2013.04.790

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