牛庄油田王68井区岩性隐蔽油藏滚动开发实践

doi:10.11743/ogg20050522

Abstract

Abstract:

Through analyzing the characteristics of strata,structure,reservoir and oil pool of the middle 3^rd member of Shahejie formation(Es³) in Wang 68 wellblock of Niuzhuang oilfield,it is believed that the middle Es³ sandbodies both in Wang 68 wellblock and in the adjacent Niu 20 wellblock are fluxoturbidites deposited in semi-deep and deep lacustrine environment.The sandbodies are in the same horizons;the thickness,lithology and layering characteristics are correlatable;and the reservoirs in both wellblocks are of lithologic subtle types.Wang 68 and Niu 20 wellblocks are respectively located on both sides of Niuzhuang-1 fault.Therefore,the deposition of the middle Es³ sandbodies in Wang 68 wellblock on the footwall would not be controlled by Niu-zhuang-1 fault.The development experiences in Niu 20 wellblock are used to guide the progressive development in Wang 68 wellblock,achieving proved oil reserves of 3.05 million tons and oil production capacity of 35,000 tons.

Key words: fluxoturbidite, low permeability reservoir, subtle lithologic reservoir, progressive development, Niuzhuang oilfield

CLC Number:

TE311

Wang Guangfu, Zhan Chunguang. Progressive development of subtle lithologic reservoirs in Wang 68 wellblock of Niuzhuang oifleild[J]. Oil & Gas Geology, 2005, 26(5): 694-697.

References

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Progressive development of subtle lithologic reservoirs in Wang 68 wellblock of Niuzhuang oifleild

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