Diagenesis and Reservoir Distribution of Upper Jurassic Series in Zhangqiang Hollow

doi:10.3863/j.issn.1000-2634.1996.04.002

Abstract

Abstract: The clastic rock of Upper Jurassic Series is a low mature litharenite. Many diageneses have happened in reservoirs. The diageneses which decrease the porosity of reservoirs are compaction, cementation of calcite, zeolite, illite and chlorite. The diagenesis which increases the porosity of reservoirs is corrosion. There are five diagenetic sequences and facieses in reservoirs. The diagenetic facies of chlorite cement has the highest porosity of all the facieses. Diagenetic facieses are correlated with sedimentary facieses, diagenetic periods and maximum burial depth. Since reservoirs are decided by diagenetic facieses, reservoirs can be accurately forecast by them.

Key words: Porosity, Diagenesis, Facies, Reservoir distribution

CLC Number:

Zeng Wei. Diagenesis and Reservoir Distribution of Upper Jurassic Series in Zhangqiang Hollow[J]. 西南石油大学学报(自然科学版), 1996, 18(4): 9-14.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.3863/j.issn.1000-2634.1996.04.002

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y1996/V18/I4/9

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Diagenesis and Reservoir Distribution of Upper Jurassic Series in Zhangqiang Hollow

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