我国CO<sub>2</sub>驱油注采工艺技术现状及下步研究方向

钱卫明; 曹力元; 胡文东; 张金焕; 张露曼; 韩超

doi:10.13809/j.cnki.cn32-1825/te.2019.03.013

• 工艺技术 • | 浏览量 : 0 下载量: 0 CSCD: 0 CNKI被引量: 25 Scopus: 0 更多指标

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我国CO₂驱油注采工艺技术现状及下步研究方向
Present situation and further research direction of CO₂ flooding injection-production technology and in China
2019年9卷第3期页码：66-72
纸质出版：2019
DOI： 10.13809/j.cnki.cn32-1825/te.2019.03.013
稿件说明：

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钱卫明, 曹力元, 胡文东, 等. 我国CO₂驱油注采工艺技术现状及下步研究方向[J]. 油气藏评价与开发, 2019,9(3):66-72. DOI： 10.13809/j.cnki.cn32-1825/te.2019.03.013.

Qian Weiming, Cao Liyuan, Hu Wendong, et al. Present situation and further research direction of CO₂ flooding injection-production technology and in China[J]. Petroleum Reservoir Evaluation and Development, 2019, 9(3): 66-72. DOI： 10.13809/j.cnki.cn32-1825/te.2019.03.013.

摘要

基于CO

驱注采井完井管柱技术难点

系统阐述了国内CO

驱注采井完井管柱的研究历程和发展现状

总结出CO

驱注采井完井管柱的技术关键是注入井完井管柱的密封性能和采油井完井管柱的防腐防气性能。国内油田CO

驱先导试验表明

封隔器的不断优化、油管的气密性检测等技术有助于提高注入井的密封性;CO

缓蚀剂配方和加注工艺、气举控套、井下油气分离等工艺有助于提高采油井的泵效。同时

针对矿场注采井面临的技术难题

指出了CO

驱注采工艺的下步研究方向。

Abstract

In view of the technical difficulties of CO

flooding completion string

the research process and development situation of completion string of CO

flooding injection-production well were systematically expounded. It was concluded that the sealing performance of the completion string of injection well and anti corrosion and gas proof performance of production well were the key technologies for the normal production of CO

flooding injection-production well. The pilot test of CO

flooding in domestic oilfield showed that the continuous optimization of packer and the gas tightness detection of tubing contributed to improve sealing of injection wells

and the technologies like CO

corrosion in

hibitor formulation

injection strengthening

tube controlling by gas lifting

downhole oil and gas separation were helpful to improve the pumping efficiency of the production wells. Meanwhile

in view of the technical problems faced by the injection and production wells on site

the further research direction of production by CO

flooding injection and production technology was pointed out.

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我国CO2驱油注采工艺技术现状及下步研究方向

Present situation and further research direction of CO2 flooding injection-production technology and in China

DOI： 10.13809/j.cnki.cn32-1825/te.2019.03.013

摘要

Abstract

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references

我国CO₂驱油注采工艺技术现状及下步研究方向

Present situation and further research direction of CO₂ flooding injection-production technology and in China