大庆外围葡萄花油层聚合物驱提高采收率可行性研究OA北大核心CSCDCSTPCD
FEASIBILITY STUDY ON POLYMER-FLOODING EOR FOR PUTAOHUA RESERVOIRS AROUND THE PERIPHERY OF DAQING OILFIELD
针对外围油田高含水葡萄花油层剩余油潜力大、井网加密效果差、水驱剩余可采储量小等问题,提出了中低渗透油藏聚合物驱技术.评价了外围油藏条件下聚合物溶液的稳定性及与外围储层的匹配性,利用物模模型和数值模型研究了其驱油效果.室内研究结果表明,相对低分子质量的聚合物溶液具有较好的增黏性和稳定性,能够注入外围油田大部分葡萄花油层,并取得较好的驱油效果.当温度60℃、空气渗透率200 × 10-3 μm2、原油黏度9.9 mPa·s时,聚合物驱能够提高采收率6…Sign in
Aiming at the problems of high-water-cut Putaohua reservoirs in peripheral oilfields, which have great remained oil potential,poor pattern infilling effects and small remained recoverable reserves after water-flooding, this paper puts forward the polymer-flooding technology for medium and low-permeability reservoirs. The stability of polymer solution under the peripheral reservoir conditions and the matching ability with peripheral reservoirs are evaluated ,…Sign in
刘淑霞
大庆油田有限责任公司勘探开发研究院,黑龙江大庆 63712
能源科技
大庆油田葡萄花油层聚合物驱驱油实验
Daqing oilfield Putaohua reservoir polymer-flooding oil displacement experiment
《大庆石油地质与开发》 2012 (3)
140-143,4
国家重点基础研究发展计划("973"计划)"化学驱和微生物驱提高石油采收率的基础研究"(2005CB22130-G)资助.