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2010•Marine Geology LettersRequires access

RESERVOIR CHARACTERISTICS OF J_1b_5~2 LAYER IN 530 WELL BLOCK OF XINJIANG OILFIELD

Jing Su

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Abstract

Xinjiang Oilfield is one of the most important districts for oil and gas exploration and development in China.Kinds of experiments methods including rock slice,casting slice and mercury penetration are used to research on the reservoirs,the results indicate that main rock types of J1b52 are grey conglomerate,glutenite,sandy conglomerate with structures of grain supported and compact cementation,especially press-fit cementation.Conglomerate grains in these rocks are mainly magmatic clastics of volcanic tuff,granite,and andesite,and also few metamorphic rock debris.Secondary pore system with lower porosity and permeability developed in the reservoirs here and the pore fabric is also not very good.

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What this paper is about

Xinjiang Oilfield is one of the most important districts for oil and gas exploration and development in China.Kinds of experiments methods including rock slice,casting slice and mercury penetration are used to research on the reservoirs,the results indicate that main rock types of J1b52 are grey conglomerate,glutenite,sandy conglomerate with structures of grain supported and compact cementation,especially press-fit cementation.Conglomerate grains in these rocks are mainly magmatic clastics of volcanic tuff,granite,and andesite,and also few metamorphic rock debris.Secondary pore system with lower porosity and permeability developed in the reservoirs here and the pore fabric is also not very good.

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Available abstract

Xinjiang Oilfield is one of the most important districts for oil and gas exploration and development in China.Kinds of experiments methods including rock slice,casting slice and mercury penetration are used to research on the reservoirs,the results indicate that main rock types of J1b52 are grey conglomerate,glutenite,sandy conglomerate with structures of grain supported and compact cementation,especially press-fit cementation.Conglomerate grains in these rocks are mainly magmatic clastics of volcanic tuff,granite,and andesite,and also few metamorphic rock debris.Secondary pore system with lower porosity and permeability developed in the reservoirs here and the pore fabric is also not very good.

Key concepts: Conglomerate, Geology, Cementation (geology), Andesite, Clastic rock, Geochemistry, Volcanic rock, Permeability (electromagnetism)

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RESERVOIR CHARACTERISTICS OF J_1b_5~2 LAYER IN 530 WELL BLOCK OF XINJIANG OILFIELD — Research Paper | ScholarLens