摘要
塔河碳酸盐岩缝洞型油藏前期开采强度过大,底水锥进加快,油井产层接替困难,地下油水关系复杂,堵水潜力日趋不明。为重新评估油井潜力,需针对前期堵水失效井和井筒状况复杂井实施钻塞堵水。本文基于塔河油田钻塞堵水现状,从储层类型、前期堵水强度、堵剂类型、堵剂用量和堵后生产方式五个方面,全面分析了钻塞堵水的低效原因,对油田钻塞堵水选井、配套堵剂和工艺有一定的理论指导意义。
In the early stage of Tahe carbonate fractured-cavern reservoir development, the oil production intensity was too high, the coning of bottom water was accelerated, so the reservoir replacement is difficult, the relationship between underground oil and water is complex, and the water shutoff potential is becoming increasingly unclear. In order to reassess the potential of oil wells, it is necessary to implement water plugging in pre-failure wells and complex wellbore wells. Based on the present situation of plugging water in Tahe oilfield, the causes of low efficiency of plugging water were comprehensively analyzed from five aspects: reservoir type, pre-plugging strength, plugging agent type, plugging agent dosage and production mode after plugging. The paper has certain theoretical guiding significance for well selection, matching plugging agent and technology of plugging water in oilfields.
作者
金燕林
秦飞
JIN Yan-lin;QIN Fei(Research Institute of Exploration and Development,Sinopec Northwest Oilfield Branch,Xinjiang Urumqi 830011,China;Research Institute of Engineering Technology,Sinopec Northwest Oilfield Branch,Xinjiang Urumqi 830011,China;Key Laboratory for EOR Improvement in Fractured-Cavity Reservoirs,Sinopec,Xinjiang Urumqi 830011,China)
出处
《辽宁化工》
CAS
2020年第1期86-88,112,共4页
Liaoning Chemical Industry
基金
国家科技重大专项示范工程项目《塔里木盆地碳酸盐岩油气田提高采收率关键技术》,项目号:(2016ZX05053)
中石化控递减重大专项《塔河碳酸盐岩油藏降低自然递减技术》(ZDP17003).
关键词
塔河油田
碳酸盐岩油藏
钻塞
堵水
低效
Tahe oilfield
carbonate reservoir
drilling plug
water shutoff
low efficiency
作者简介
金燕林(1986-),女,硕士,工程师,湖北武汉人,2011年毕业于中国地质大学(武汉)能源地质工程专业,研究方向:碳酸盐岩缝洞型油藏开发地质、油藏描述等。
