A New Evaluation Method for Potential of Development Benefit of Xinchang Penglaizhen Formation Low Permeability Tight Sandstone Gas Reservoir

doi:10.11885/j.issn.1674-5086.2022.01.24.04

Abstract

Abstract: Xinchang Penglaizhen Formation gas reservoir is a typical low permeability tight sandstone gas reservoir with the earliest development and highest recovery in Southwest Petroleum Branch, SINOPEC. The gas reservoir has entered the later stage of development, it is difficult to enhance gas recovery and economic benefits, because it has low formation pressure and low abundance of remaining reserves. In order to ensure the sustainable development of gas reservoirs, it is necessary to evaluate the potential of gas reservoir development quantitatively. By means of analog integrated modeling and with the economic and technological evaluation at the core, We carried out the multi-factor sensitivity analysis of gas reservoir recovery, and studied the lowest reserve abundance for different well types under different gas prices, different internal rates of return and different formation pressures. The evaluation model of benefit development potential of Xinchang JP gas reservoir was established to evaluate gas reservoir potential at any development stage and under different economic policies. The efficiency development potential evaluation model has high accuracy, and the coincidence rate with the actual deployment well economic benefit is 88%, and the net profit is 10.87 million yuan.

Key words: low permeability tight sandstone gas reservoir, economic and technological integration, internal rate of return, formation pressure, evaluating potential

CLC Number:

TE377

LIU Lu, DUAN Yongming, ZOU Chenrong. A New Evaluation Method for Potential of Development Benefit of Xinchang Penglaizhen Formation Low Permeability Tight Sandstone Gas Reservoir[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2022, 44(3): 102-109.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2022.01.24.04

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2022/V44/I3/102

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