气液分异作用对泡沫运移封堵效果的影响INFLUENCES OF GAS-LIQUID DIFFERENTIATION ON THE EFFECTS OF FOAM MIGRATION AND PLUGGING
喻贵民
YU Guimin
摘要(Abstract):
为考察气液重力分异作用对泡沫在储层内运移封堵效果的影响,采用二维均质可视化模型进行测试。结果表明:在气液重力分异作用下,泡沫在储层内呈现向上运移封堵趋势,气液体积比为0.5:1相比1:1和2:1在储层内的压力传播距离、波及面积和封堵强度较大;气液体积比1:1相比2:1和0.5:1的泡沫阻力因子下降幅度最小,重力分异作用体现最弱。气液重力分异作用对泡沫在储层内运移封堵效果存在较大影响,优化气液体积比可减缓气液重力分异作用,增强泡沫稳定性及封堵强度。
In order to inspect and investigate the influences of the gas-liquid gravity differentiation on the effects of the foam migration and plugging within a reservoir,2D homogeneous visualizing model is adopted for the above testing.The results show that under the gas-liquid gravity differentiation,the foam within the reservoir shows the trend of upward migration and plugging,compared with the gas-liquid volume ratio of 1:1 and 2:1,for one of 0.5:1,all the pressure propagation distance,swept area and sealed strength in the reservoir are much larger;compared with the gas-liquid volume ratio 2:1 and 0.5:1,for one of 1:1,the foam resistance factor decreases least,the gravity differentiation embodies weakliest.There is much more serious influences of the gas-liquid gravity differentiation on the effects of the foam migration and plugging in the reservoir,the optimized gas-liquid ratios can reduce and weaken the gas-liquid gravity differentiation,and moreover enhance the foam stability and sealed strength.
关键词(KeyWords):
气液分异;泡沫运移;气液体积比;封堵效果
gas-liquid differentiation;foam migration;gas-liquid volume ratio;plugged 'effect
基金项目(Foundation): 中海石油总公司重点科研项目“SZ36-1油田泡沫细分层注水技术优化与应用研究”(C/KJF YF 003-2012)
作者(Author):
喻贵民
YU Guimin
参考文献(References):
- [1]邹德海.高含水油藏泡沫调驱提高原油采收率研究[D].大庆:大庆石油学院,2006.
- [2]赵瑞东,吴晓东,王瑞河,等.稠油冷采泡沫油稳定性影响因素微观实验[.J].大庆石油地质与开发,2012,31(6):99-103.
- [3]杜姗.低渗透油田CO_2驱过程中泡沫扩大波及体积技术研究[D].大庆:大庆石油学院,2009.
- [4]龙运前,朱维耀,李娟,等.稠油蒸气—泡沫驱不同油藏区域流体的流变特征[J].东北石油大学学报,2012,36(2):81-85.
- [5]张东,李兆敏,李松岩,等.多孔介质中冻胶泡沫体系封堵性能实验[J].大庆石油地质与开发,2013,32(6):121-26.
- [6]王杰祥,任文龙,王腾飞,等.稠油热采井氮气泡沫抑制边水技术研究[J].特种油气藏,2013,20(2):105-107.
- [7]刘宏生,姜冬阳,杨莉,等.α-烯烃磺酸钠与聚合物二元泡沫复合驱实验研究[J].特种油气藏,2013,20(4):122-126.
- [8]邵振波,孙丽静,刘宏生,等.聚驱后高压泡沫复合驱油实验[J].大庆石油地质与开发,2011,30(2):140-144.
- [9]钱昱,张思富,吴军政,等.泡沫复合驱泡沫稳定性及影响因素研究[J].大庆石油地质与开发,2001,20(2):33-35.
- [10]王长权,杜志敏,汤勇,等.气藏中C02封存过程气水互溶特性实验研究[J].特种油气藏,2013,20(3):118-122.
- [11]周静,谭永生.稳定泡沫流体的机理[J].石油钻采工艺,1999,22(6):75-75.
- [12]杨浩,肖平,胡春礼,等.气驱窜流特性理论研究[J].大庆石油地质与开发,2010,29(4):156-159.
- [13]张春荣.泡沫复合驱模拟体系界面扩张黏弹与泡沫性质研究[D].北京:中国科学院,2007.
- [14]刘永革,刘慧卿,庞占喜,等.边水油藏水平井注泡沫挡水技术[J].特种油气藏,2013,20(1):139-142.
- [15]郭兰磊,王其伟,郭平,等.泡沫在三维大模型孔隙介质中的驱油特征[J].大庆石油地质与开发,2009,28(6):258-261.
- [16]樊泽霞,李玉英,丁长灿,等.聚合物对泡沫稳定性的影响研究[J].特种油气藏,2013,20(6):102-104.
- [17]王春生,任芳祥.稠油重力驱渗流速度影响因素分析[J].特种油气藏,2013,20(5):97-99.
- [18]陈杰,钱昱,李士平.葡南葡浅12区块蒸汽驱矿场试验研究[J].大庆石油地质与开发,2007,26(5):68-71.
- [19]盛强,郭平,陈静,等.多孔介质中泡沫的直观特征研究[J].特种油气藏,2012,19(4):122-125.
- [20]李遵照,吴信荣.可溶性气体泡沫状态方程理论模型研究[J].特种油气藏,2012,19(1):78-81.
- [21]国丽萍,韩洪升.井筒中高温高压可循环微泡沫钻井液流动实验[J].大庆石油学院学报,2007,31(1):40-43.
- [22]王敬,刘慧卿,王增林,等.稠油油藏热力泡沫复合驱数值模拟研究[J].特种油气藏,2011,18(5):75-78.
- [23]赵瑞东,吴晓东,王瑞河,等.稠油冷采泡沫油中气泡成核生长机理研究[J].特种油气藏,2011,18(3):78-80.
- [24]陈小凡,杨程博,杨建.构造倾角对凝析气藏注气效果的影响分析[J].特种油气藏,201 1,18(2):93-95.
- [25]杨燕,蒲万芬.驱油泡沫稳定剂的性能研究[J].西南石油学院学报,2002,24(4):61-62.
- [26]刘英,李彦来,马奎前.常规稠油化学驱模拟油气摩尔分数场的方法[J].大庆石油地质与开发,2012,31(2):163-166.