ANALYSIS ON CHARACTERISTICS OF DEEPWATER SEDIMENTARY TIGHT SANDSTONE RESERVOIR OF CHANG 6 IN HUAQING AREA

doi:10.3863/j.issn.1674-5086.2010.01.004

西南石油大学学报(自然科学版) ›› 2010, Vol. 32 ›› Issue (1): 21-26.DOI: 10.3863/j.issn.1674-5086.2010.01.004

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ANALYSIS ON CHARACTERISTICS OF DEEPWATER SEDIMENTARY TIGHT SANDSTONE RESERVOIR OF CHANG 6 IN HUAQING AREA

LIU Hao-wei1;ZHENG Xing-yuan2;CHEN Quan-hong3;GUO Yan-qin4;LIU Chun-yan5

1.Research Institute of Petroleum Exploration and Development，CNPC，Haidian Beijing 100083，China；2.College of Natural Resource & Information Technology，China University of Petroleum（Beijing），Changping Beijing 102249，China；3.CNOOC Research Center，Dongcheng Beijing 100027，China；4.Institute of Oil and Gas Resources，Xi′an Petroleum University，Xi′an Shaanxi 710065，China；5.Department of Petroleum Engineering，Chengde Petroleum College，Chengde Hebei 067000，China

Received:1900-01-01 Revised:1900-01-01 Online:2010-02-20 Published:2010-02-20
Contact: LIU Hao-wei

Abstract

Abstract:

The sedimentary characteristics，lithology characteristics，porositypermeability characteristics，diagenesis types，pore texture and pore types of the reservoir of the Change 6 formation in Huaqing area are studied through analyzing the core，thin sections，casting thin sections and physical property.The result indicates that the deepwater sedimentary sandstone reservoir of Chang 6 formation has the following characters  ultrafined grain size of the deposits，low comparative maturity and moderated textural maturity，the pore types include residual interparticle pores，and secondary dissolution pore.The pore structure is mainly composed by the micropore finethroat type.Between porosity and permeability of the investigated area，there are good positive correlations.It is a typical reservoir from low pore，low osmosis to extra low pore，extra low osmosis.

Key words: Ordos, tight, reservoir, deep water sedimentation, turbidite

CLC Number:

TE122.2

LIU Hao-wei;ZHENG Xing-yuan;CHEN Quan-hong;GUO Yan-qin;LIU Chun-yan. ANALYSIS ON CHARACTERISTICS OF DEEPWATER SEDIMENTARY TIGHT SANDSTONE RESERVOIR OF CHANG 6 IN HUAQING AREA[J]. 西南石油大学学报(自然科学版), 2010, 32 (1): 21-26.

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ANALYSIS ON CHARACTERISTICS OF DEEPWATER SEDIMENTARY TIGHT SANDSTONE RESERVOIR OF CHANG 6 IN HUAQING AREA

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