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2011•Journal of Chongqing University of Science and TechnologyRequires access

A Study on the Characteristics of Chang 9 Reservoir in Wucangbao Oilfield and Its Development Strategies

Bin Cheng

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Abstract

Wucangbao oilfield is located in the middle of Yixia slope in Ordos Basin,which is a front part of Wuqi Delta.In the drilling process,through stratigraphic correlation studies and core analysis,it is discovered that average porosity is 8.0% and average permeability is 0.23×10-3μm2 in Chang 9 reservoir in Wucangbao.The pore throat radius is small and reservoir heterogeneity belongs to particularly low porosity and low permeability reservoirs.With deep study of reservoir characteristics,the diamond-nine-injection well pattern is proposed to improve the value of reservoir development.

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What this paper is about

Wucangbao oilfield is located in the middle of Yixia slope in Ordos Basin,which is a front part of Wuqi Delta.In the drilling process,through stratigraphic correlation studies and core analysis,it is discovered that average porosity is 8.0% and average permeability is 0.23×10-3μm2 in Chang 9 reservoir in Wucangbao.The pore throat radius is small and reservoir heterogeneity belongs to particularly low porosity and low permeability reservoirs.With deep study of reservoir characteristics,the diamond-nine-injection well pattern is proposed to improve the value of reservoir development.

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Available abstract

Wucangbao oilfield is located in the middle of Yixia slope in Ordos Basin,which is a front part of Wuqi Delta.In the drilling process,through stratigraphic correlation studies and core analysis,it is discovered that average porosity is 8.0% and average permeability is 0.23×10-3μm2 in Chang 9 reservoir in Wucangbao.The pore throat radius is small and reservoir heterogeneity belongs to particularly low porosity and low permeability reservoirs.With deep study of reservoir characteristics,the diamond-nine-injection well pattern is proposed to improve the value of reservoir development.

Key concepts: Geology, Petroleum engineering, Structural basin, Porosity, Permeability (electromagnetism), Drilling, Petrology, Petroleum reservoir

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