Research and Application on Optimization of Drainage Gas Recovery Methods in Linxing Block

Liu, Shijie; Cai, Zhenhua; Song, Wenrong; Tao, Xuan; Liu, Chengzhen; Wang, Song; Gang, Feng

doi:10.1007/978-981-16-6309-3_18

Cited by 1 publication

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“…As an economical and effective means of drainage and production, foam drainage and gas recovery is widely used in major oil and gas fields [1][2][3][4][5][6]. At present, many scholars at home and abroad focus on the research on the foam discharge agent from the aspects of oil resistance and high temperature resistance for the foam drainage of condensate gas wells [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Optimization and Performance Evaluation of Foam Discharge Agent for Deep Aquatic Condensate Gas Well

Chen

et al. 2022

Front. Phys.

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The block deep condensate gas reservoir in the basin in the southeast of the South China Sea is a bottom water reservoir and is producing in the late effusion, which faces problems such as scaling, condensate oil–water two-phase flow, and low temperature at the subsea wellhead. The mud line for this kind of gas-well has characteristics including high condensate content in low temperature, high downhole temperature, and injection with a foam discharge agent and scale inhibitor. In this article, the influence of low temperature and scale inhibitor is considered for the first time, and a dynamic liquid-carrying experiment for the optimization and performance evaluation of foam discharge agents was carried out according to these characteristics. The experimental results show that the optimized foam discharge agent, ZHY-01, has good resistance to high temperature and condensate oil, and the optimal concentration of the foam discharge agent is recommended to be 0.25%. Under this concentration, the liquid-carrying capacity of the foam discharge agent decreases slightly by 10.17% at low temperature. The scale inhibitor MA/AA reduced the liquid-carrying capacity by 11.86%, and the scale inhibitor PESA reduced the liquid-carrying capacity by 10.17%. The research results in this article have certain reference significance for the chemical screening and evaluation of the foam drainage gas production process in deep-water condensate gas wells.

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Section: Introductionmentioning

confidence: 99%

Optimization and Performance Evaluation of Foam Discharge Agent for Deep Aquatic Condensate Gas Well

Chen

et al. 2022

Front. Phys.

View full text Add to dashboard Cite

show abstract

Research and Application on Optimization of Drainage Gas Recovery Methods in Linxing Block

Cited by 1 publication

References 1 publication

Optimization and Performance Evaluation of Foam Discharge Agent for Deep Aquatic Condensate Gas Well

Optimization and Performance Evaluation of Foam Discharge Agent for Deep Aquatic Condensate Gas Well

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