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作 者:王绪性[1] 冯青[1] 李湾湾 郭布民[1] 袁文奎[1] WANG Xuxing;FENG Qing;LI Wanwan;GUO Bumin;YUAN Wenkui(Production Optimization R&D Institute of China Oilfield Services Limited,Tianjin 300450,China)
机构地区:[1]中海油田服务股份有限公司油田生产研究院,天津300450
出 处:《油气井测试》2021年第1期46-51,共6页Well Testing
基 金:国家科技重大专项“大型油气田及煤层气开发”子课题“深层高温压裂液及配套技术”(2016ZX05027-003-004)。
摘 要:为推进水力喷射压裂技术在海上油田的广泛应用,实现油气田的高效开发,取得经济和技术上的双赢,对水力喷射压裂设计流程、喷嘴参数优选、施工排量确定、地面压力预测、海水基压裂液性能评价及施工管柱优选等研究,结合海上中低渗储层特点,探索出油管加砂压裂、油套环空补液兼备的水力喷射压裂工艺技术。海上某油田BH-1井作业后60 d内,最高产油量99.8 m3/d,平均产油77.0 m3/d,达到预期效果,比常规先射孔再压裂工艺施工节约40 h。该工艺技术在海上作业高效可行,为后续高效开发海上中低渗储层提供了可靠技术借鉴。In order to promote the wide application of hydraulic jet fracturing technology in offshore oilfields,realize the efficient development of oil and gas fields,and achieve a win-win situation in economy and technology,the hydraulic jet fracturing design process,nozzle parameter optimization,construction displacement determination,surface pressure prediction,seawater-base fracturing fluid performance evaluation and construction string optimization are studied.Combined with the characteristics of offshore low and medium permeability reservoirs,the hydraulic jet fracturing technology with both sand fracturing and casing annulus fluid replenishment is formed.Within 60 days after the operation of Well BH-1 in an offshore oilfield,the maximum oil production is 99.8 m3/d and the average oil production is 77.0 m3/d,which achieves the expected effect and saves 40 hours compared with the conventional perforation and fracturing process.This technology is efficient and feasible for offshore operation and provides reliable technical reference for the subsequent efficient development of low permeability offshore reservoirs.
关 键 词:海上油田 储层改造 水力喷射 压裂 中低渗储层 效果评价
分 类 号:TE337[石油与天然气工程—油气田开发工程]
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