油井气举-电泵组合举升运行参数的联调优化
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摘要
为了解决气举-电泵组合举升配产过程中由于低效工况造成的生产不协调问题,通过研究油井流入动态、井筒多相流动特性、举升工艺的运动学及动力学特征,以及相互之间的能量作用关系,建立了气举-电泵举升耦合数学模型。基于节点分析的方法,通过对油井工况进行分析,在此基础上形成了不同配产目标下气举-电泵组合举升运行参数的优化联调方法,给出了不同配产条件下的电泵和气举优化运行参数。计算结果表明,在气举-电泵组合举升系统出现低效工况时,可以利用采集的生产动态数据进行工况分析,结合分析的量化结果在产量变化时进行参数调整决策,科学设计气举-电泵井的频率-注气联调方案,实现油藏、井筒、双举升设备的协调工作,在不动管柱作业的情况下达到组合举升油井的高效运行。
In the process of gas lift-electric submersible pump combined lifting under a given production target, the production is discordant due to low-efficiency working conditions. To solve this problem, the coupling mathematic model of gas lift and electric submersible pump lift was established after the inflow performance of oil well, the multi-phase flow characteristics of wellbore, the kinematics and dynamic characteristics of lifting process and their mutual energy effect were investigated. Then, the working conditions of oil well were analyzed by means of node analysis method. Thus, the optimization and joint adjustment method for the operation parameters of gas lift-electric submersible pump combined lifting to reach different production targets was developed, and the optimal operation parameters of electric submersible pump and gas lift under different production targets were provided. The calculation results show that when low-efficiency working condition occurs in the gas lift-electric submersible pump combined liftingsystem, the working condition can be analyzed using the acquired production performance data. When the production rate changes, the decision on operation parameter adjustment is made based on the quantitative analysis result of the working condition. In this way, the frequency-gas injection joint adjustment scheme of gas lift-electric submersible pump well is prepared scientifically, and oil reservoir,well and equipment are coordinated. And in the operation with immovable string, the combined-lifting oil well can run efficiently.
In the process of gas lift-electric submersible pump combined lifting under a given production target, the production is discordant due to low-efficiency working conditions. To solve this problem, the coupling mathematic model of gas lift and electric submersible pump lift was established after the inflow performance of oil well, the multi-phase flow characteristics of wellbore, the kinematics and dynamic characteristics of lifting process and their mutual energy effect were investigated. Then, the working conditions of oil well were analyzed by means of node analysis method. Thus, the optimization and joint adjustment method for the operation parameters of gas lift-electric submersible pump combined lifting to reach different production targets was developed, and the optimal operation parameters of electric submersible pump and gas lift under different production targets were provided. The calculation results show that when low-efficiency working condition occurs in the gas lift-electric submersible pump combined liftingsystem, the working condition can be analyzed using the acquired production performance data. When the production rate changes, the decision on operation parameter adjustment is made based on the quantitative analysis result of the working condition. In this way, the frequency-gas injection joint adjustment scheme of gas lift-electric submersible pump well is prepared scientifically, and oil reservoir,well and equipment are coordinated. And in the operation with immovable string, the combined-lifting oil well can run efficiently.
引文
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[10]管虹翔,李成见,李萍,等.变频条件下电潜泵井的产量调节能力研究[J].石油机械, 2008, 36(2):59-62.GUAN Hongxiang, LI Chengjian, LI Ping, et al. Study on yield regulation ability of electric submersible pump well under frequency conversion condition[J]. China Petroleum Machinery, 2008, 36(2):59-62.
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[12]刘宇蕾.潜油电泵变频调速系统的研究[D].哈尔滨:哈尔滨工程大学, 2002:10-12.LIU Yulei. Research on variable speed drive for electric submersible pump[D]. Harbin:Harbin Engineering University, 2002:10-12.
[13]程心平,檀朝东,阚唱轩,等.双电潜泵抽油耦合模型及参数优化[J].石油钻采工艺, 2017, 39(5):604-610.CHENG Xinping, TAN Chaodong, KAN Changxuan,et al. Research on coupled model and parameter optimization of dual-ESP pumping system[J]. Oil Drilling&Production Technology, 2017, 39(5):604-610.
[14]孙殿新,檀朝东,阚唱轩,等.海上油井的气举-电泵组合举升耦合模型研究[J].石油机械, 2017,49(5):63-68.SUN Dianxin, TAN Chaodong, KAN Changxuan, et al.Coupling model of GL-ESP combined lift for offshore oil well[J]. China Petroleum Machinery, 2017,49(5):63-68.
[15]师世刚.潜油电泵采油技术[M].北京:石油工业出版社. 1993:241-243.SHI Shigang. Electric submersible pump oil production technology[M]. Beijing:Petroleum Industry Press,1993:241-243.
[16]森垂利夫特-休斯有限公司.潜油电泵手册[M].北京:石油工业出版:1988:154-161.Sen Clift-Hughes Co., Ltd. Electric submersible pump manual[M]. Beijing:Petroleum Industry Press:1988:154-161.
[2]范学平,郭少儒,张晓丹,等.气举和电潜泵耦合采油工艺在平湖油气田的实践[J].钻采工艺, 2014, 37(6):73-74.FAN Xueping, GUO Shaoru, ZHANG Xiaodan, et al.Application of coupling production technology of gas lift and electrical submersible pump in Pinghu oil and gas field[J]. Drilling&Production Technology, 2014,37(6):73-74.
[3]杨志,李孟杰,赵海洋,等.电潜泵-气举组合接力举升工艺研究[J].西南石油大学学报(自然科学版),2011, 33(2):165-170.YANG Zhi, LI Mengjie, ZHAO Haiyang, et al. Study on the combined lift technology of electric submersible pump and gas lift[J]. Journal of Southwest Petroleum University(Science&Technology Edition), 2011, 33(2):165-170.
[4]薛德栋,程心平,张凤辉,等.海上油田电泵-智能气举管柱工艺研究[J].石油机械, 2019, 47(1):74-78.XUE Dedong, CHENG Xinping, ZHANG Fenghui, et al.Study of the esp-intelligent gas lift technology for offshore oilfield[J]. China Petroleum Machinery, 2019,47(1):74-78.
[5]熊杰,王学强,孙新云,等.深井电潜泵排水采气工艺技术及应用[J].钻采工艺, 2012, 35(4):60-61.XIONG Jie, WANG Xueqiang, SUN Xinyun, et al. The technology and application of drainage and gas recovery using electric submersible pump in deep well[J].Drilling&Production Technology, 2012, 35(4):60-61.
[6]程心平,郑春峰,宁碧,等.渤中29-4油田自产气气举-电潜泵组合举升工艺增产方法研究[J].油气地质与采收率, 2017, 24(4):121-126.CHENG Xinping, ZHENG Chunfeng, NING Bi, et al.Study on gas and ESP combination lift using self-produced gas for production increase in Bozhong 29-4 Oilfield[J]. Petroleum Geology and Recovery Efficiency,2017, 24(4):121-126.
[7]杜云散.降低机泵电耗的变频技术[J].石油化工设计, 2002, 19(1):26-28.DU Yunsan. Variable frequency technology to reduce ESP power consumption[J]. Petrochemical Design,2002, 19(1):26-28.
[8]董振刚,张铭钧,庞向东,等.潜油电泵油嘴调参与变频调参对比分析[J].石油钻采工艺, 2008, 30(1):54-57.DONG Zhengang, ZHANG Mingjun, PANG Xiangdong,et al. Correlation analysis of two kinds of ESP adjusting parameters:choke and VSD[J]. Oil Drilling&Production Technology, 2008, 30(1):54-57.
[9]董振刚,张铭钧,张雄,等.潜油电泵合理选配工艺研究[J].石油学报, 2008, 29(1):128-131.DONG Zhen’ gang, ZHANG Mingjun, ZHANG Xiong,et al. Study on reasonable choice of electric submersible pump[J]. Acta Petrolei Sinica, 2008, 29(1):128-131.
[10]管虹翔,李成见,李萍,等.变频条件下电潜泵井的产量调节能力研究[J].石油机械, 2008, 36(2):59-62.GUAN Hongxiang, LI Chengjian, LI Ping, et al. Study on yield regulation ability of electric submersible pump well under frequency conversion condition[J]. China Petroleum Machinery, 2008, 36(2):59-62.
[11]淳永忠,蔡光节,赵琦,等.潜油电泵变频节能分析[J].节能, 2006, 6:15-16.CHUN Yongzhong, CAI Guangjie, ZHAO Qi, et al. Energy saving analysis of electric submersible pump by frequency conversion[J]. Energy Conservation, 2006,6:15-16.
[12]刘宇蕾.潜油电泵变频调速系统的研究[D].哈尔滨:哈尔滨工程大学, 2002:10-12.LIU Yulei. Research on variable speed drive for electric submersible pump[D]. Harbin:Harbin Engineering University, 2002:10-12.
[13]程心平,檀朝东,阚唱轩,等.双电潜泵抽油耦合模型及参数优化[J].石油钻采工艺, 2017, 39(5):604-610.CHENG Xinping, TAN Chaodong, KAN Changxuan,et al. Research on coupled model and parameter optimization of dual-ESP pumping system[J]. Oil Drilling&Production Technology, 2017, 39(5):604-610.
[14]孙殿新,檀朝东,阚唱轩,等.海上油井的气举-电泵组合举升耦合模型研究[J].石油机械, 2017,49(5):63-68.SUN Dianxin, TAN Chaodong, KAN Changxuan, et al.Coupling model of GL-ESP combined lift for offshore oil well[J]. China Petroleum Machinery, 2017,49(5):63-68.
[15]师世刚.潜油电泵采油技术[M].北京:石油工业出版社. 1993:241-243.SHI Shigang. Electric submersible pump oil production technology[M]. Beijing:Petroleum Industry Press,1993:241-243.
[16]森垂利夫特-休斯有限公司.潜油电泵手册[M].北京:石油工业出版:1988:154-161.Sen Clift-Hughes Co., Ltd. Electric submersible pump manual[M]. Beijing:Petroleum Industry Press:1988:154-161.
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