聚合物驱后油藏原位激活微生物驱油先导试验
A Pilot Test of In-Situ Microbial Enhanced Oil Recovery in the Post-Polymer Flooded Reservoir
DOI: 10.12677/AMB.2018.73012, PDF,  被引量    国家科技经费支持
作者: 乐建君, 罗 庆:中国石油大庆油田有限责任公司勘探开发研究院,黑龙江 大庆;刘 芳, 刘雪莲, 李苡萱, 刘珂铭:中国石油大庆油田有限责任公司第二采油厂,黑龙江 大庆
关键词: 聚合物驱后油藏激活剂生物气动态变化原位激活微生物驱油Post-Polymer Flooded Reservoir Activator Biogas Dynamic Change In-Situ Microbial Enhanced Oil Recovery (IMEOR)
摘要: 在聚合物驱后油藏1注4采的井组开展了两轮原位激活油藏微生物驱油先导现场试验。驱油动态表现为油藏中优势菌群被定向激活,与原油产量的增加保持一致。激活后的油藏微生物生成大量生物气,使得注入压力均由试验前的11.3 MPa上升到13.9 MPa,升幅2.0 MPa以上,增加了地下油藏驱动能量。截至2015年末,试验区阶段累积增油6243 t,提高采收率3.93% (OOIP)。
Abstract: A pilot test has investigated the effectiveness of in-situ microbial enhanced oil recovery (IMEOR) in a post-polymer flooded oil reservoir located in Sanan oilfield, Northeast China. Two rounds of injection of nutrient medium were intermittently injected into the producing block and then mo-nitored. The main results showed that the dominant bacteria and arch of 4 production wells, were directional activation, and showed a regular alternation with an increase of oil production. It contributed to production of bio-gas, leading to increasing of the injection pressure from 11.3 MPa to 13.9 MPa before the experiment which increased by more than 2.0 MPa and the drive energy of the formation increased. A total of 6243 t of incremental oil production was achieved, and an oil recovery rate increased by 3.93% (OOIP) to the end of 2015.
文章引用:乐建君, 罗庆, 刘芳, 刘雪莲, 李苡萱, 刘珂铭. 聚合物驱后油藏原位激活微生物驱油先导试验[J]. 微生物前沿, 2018, 7(3): 98-106. https://doi.org/10.12677/AMB.2018.73012

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