注三元聚合物体系后动态变化分析

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Click to edit the title text format,Click to edit the outline text format,Second Outline Level,Third Outline Level,Fourth Outline Level,Fifth Outline Level,Sixth Outline Level,Seventh Outline Level,Eighth Outline Level,Ninth Outline Level,*,Click to edit the title text format,Click to edit the outline text format,Second Outline Level,Third Outline Level,Fourth Outline Level,Fifth Outline Level,Sixth Outline Level,Seventh Outline Level,Eighth Outline Level,Ninth Outline Level,*,Click to edit the title text format,Click to edit the outline text format,Second Outline Level,Third Outline Level,Fourth Outline Level,Fifth Outline Level,Sixth Outline Level,Seventh Outline Level,Eighth Outline Level,Ninth Outline Level,*,Click to edit the title text format,Click to edit the outline text format,Second Outline Level,Third Outline Level,Fourth Outline Level,Fifth Outline Level,Sixth Outline Level,Seventh Outline Level,Eighth Outline Level,Ninth Outline Level,*,Click to edit the title text format,Click to edit the outline text format,Second Outline Level,Third Outline Level,Fourth Outline Level,Fifth Outline Level,Sixth Outline Level,Seventh Outline Level,Eighth Outline Level,Ninth Outline Level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,杏一二区东部块,改注聚合物体系后动态变化分析,第四采油厂第一油矿,二、改注聚合物后动态变化分析,一、基本概况,三、具体研究内容,目 录,三、几点认识,杏北开发区三次采油区块分布图,杏一,二区东部,块井位图,井网类型,注采井距（,m,）,含油面积（,km,2,）,地质储量（,10,4,t,）,孔隙,体积（,10,4,m,3,）,平均有效厚度（,m,）,平均,渗透率（,m,2,）,注入,井数（口）,采出,井数（口）,五点法,150,5.37,666.51,1209.79,8.6,0.517,112,143,杏,一,二区东部,块基本情况统计,第四采油厂第一油矿,第四采油厂第一油矿,开采目的层葡,1,3,油层，河道砂钻遇率,58.3%,平均钻遇有效厚度,8.6m,，平均渗透率,0.517,m,2,高弯曲分流河道沉积,低弯曲、相对顺直分流河道沉积,葡,2,2,葡,2,1,2,内前缘相水下分流河道沉积,葡,1,1,葡,1,2,葡,3,3,2,1,#,2,#,3,#,1,#,2,#,3,#,1,#,2,#,3,#,1,#,2,#,3,#,1,#,2,#,3,#,三元-,1,#,注入站,三元-,2,#,注入站,三元-,3,#,注入站,聚合物段塞,三元主段塞,0.0514,0.0084,0.019,0.0017,0.0148,0.357,注入体积（,PV,）,0.044,0.0063,0.0155,0.318,0.0593,0.0055,0.0243,0.336,时间,0.038,0.030,0.025,0.080,0.069,0.087,0.131,0.144,0.174,杏一,二区东部,块各注入站注入情况,区块,2007,年,8,月注入前置聚合物段塞（,0.051PV,），,2007,年,11,月注入三元主段塞（,0.369PV,），,2010,年,4-6,月注入交替聚合物段塞（,0.032PV,），,2010,年,7,月,-2011,年,1,月注入三元主段塞（,0.078PV,），,2011,年,2,月改注聚合物（,0.150PV,）。,第四采油厂第一油矿,杏一,二区东部,块三元区块井位图,累积注入孔隙体积,0.680PV,聚合物用量,1182.24mg/L.PV,累积产油,87.8210,4,t,阶段采出程度,13.18%,提高采收率,10.25%,三元注入井,三元采出井,第四采油厂第一油矿,第四采油厂第一油矿,二、改注聚合物后动态变化分析,一、基本概况,三、具体研究内容,目 录,三、几点认识,第四采油厂第一油矿,杏一,二区东部,块自,2011,年,1,月,31,日正式停注碱和表活剂，只注聚合物体系，同时为减缓注入困难、保证较好的开发效果，对聚合物浓度、分子量、配置方案都进行了相应的调整，使得注聚后呈现以下动态变化：,(1),注入井变化情况,注聚后分站注入粘度变化情况表,注入粘度先上升后下降,一是,粘度（,mPa.s,）,浓度（,mg/L,）,降浓,38,井次,第四采油厂第一油矿,第四采油厂第一油矿,注聚后分站注入粘度变化情况表,粘度（,mPa.s,）,浓度（,mg/L,）,降浓,111,井次,第四采油厂第一油矿,注聚后吸水能力大幅下降后保持稳定,二是,注聚后吸水能力变化情况表,视吸水指数单位：,m,3,/d.m.MPa,剖面动用状况变差,三是,第四采油厂第一油矿,连续剖面变化情况表,第四采油厂第一油矿,单层厚度分级动用情况表,油层动用状况变化情况表,第四采油厂第一油矿,X1-30-P35,改善型,第四采油厂第一油矿,PI3,3,2,PI2,1,2,2007-10-25,(,前置聚合物,),2010-6-5,(,三元体系,),2012-5-21,(,后续聚合物,),2007-3-20,(,水驱空白,),油压,(,MPa,),粘度,(,mPa.s,),第四采油厂第一油矿,稳定型,2010-10-23,(,三元体系）,2011-05-11,(,后续聚合物,),2012-4-27,(,后续聚合物,),PI1,2,PI2,2,PI3,3,2,X1-31-P30,X1-31-P30,X1-31-P30,X1-31-P30,PI1,2,PI2,2,PI3,3,2,2007-11-7,(,前置聚合物）,变差型,X2-3-P42,2007-11-6,(,前置聚合物,),2010-9-7,(,三元体系,),2012-4-29,(,后续聚合物,),2007-3-28,(,水驱空白,),油压,(,MPa,),粘度,(,mPa.s,),钻关,浓度,(mg/L),PI2,2,PI3,3,2,PI2,1,2,PI1,1,(2),采出井变化情况,采出井分站变化情况表,视吸水,指数,(,m,3,/d.m.MPa,),采液,指数,(,t/d.m.MPa,),产液量下降,一是,第四采油厂第一油矿,第四采油厂第一油矿,含水继续回升,二是,采出井含水变化情况表,月含水上升值为,0.17,百分点,含水回升采出井变化情况表,第四采油厂第一油矿,综合,含水,(%),X1-4-P50,杏,1-4-P50,井组开采曲线,X1-4-P50,X1-4-P49,X2-D1-SP50,综合含水,(%),日产液,(t),井 位 图,X1-4-P49,X1-41-P49,X1-4-SP48,X1-41-SP50,X2-D1-P49,X2-D1-SP50,日注入量,(m,3,),注入粘度,(,mPa.s,),钻关,故障,20080903,20080626,20090519,5,月开始间抽,PI1,2,PI2,1,2,PI2,2,PI3,3,2,PI1,2,PI2,1,2,PI2,2,PI2,2,PI3,3,2,连通差,第四采油厂第一油矿,X1-41-P47,X1-41-P46,X1-40-P47,X1-41-SP48,20090519,20080606,20120510,20110615,20100604,20101023,20110628,20111109,20101106,X1-4-P47,PI2,1,2,PI2,2,PI2,1,2,PI3,3,2,PI2,1,2,PI2,2,PI3,3,2,PI2,1,2,PI2,2,PI3,3,2,剖面变差,1400-1000,1800-1400,交替注水,1400-1000,1800-1400,第四采油厂第一油矿,20120530 33.2t/98.4%,20090731 48.4t/83.0%,20080606 53.8t/82.0%,20070327 45.8 t/94.2%,综合,含水,(%),PI1,2,PI2,1,2,PI2,2,PI3,3,2,注入体系差,X1-3-P41,X1-32-P41,X1-3-SP40,X1-40-P41,X1-3-P42,2011.1.31-2011.4.4,注水降压,2011.6.23-2011.8.4,钻关,2011.12.4-2012.5.14,注水降压,2012.5.5-2012.6.5,钻关,2011.11.1,降浓,1400-1000,2012.4.30,至今泵故障关井,2011.1.30,降浓,1400-1000,2011.11.23-2012.1.13,注水降压,2012.2.15-2012.6.5,注水降压,综合含水,(%),日产液,(t),日注入量,(m,3,),杏,1-3-P41,井组开采曲线,注入粘度降幅大的井区，采出井含水升幅大,2011,年,1,月注入粘度等值图,2012,年,7,月注入粘度等值图,2011,年,1,月含水等值图,2012,年,7,月含水等值图,1,#,2,#,3,#,1,#,2,#,3,#,1,#,2,#,3,#,1,#,2,#,3,#,第四采油厂第一油矿,第四采油厂第一油矿,见剂量先上升后下降再快速上升后下降,三是,采出井见表活剂浓度变化曲线,采出井见表活剂浓度上升因素统计表,见剂浓度上升的采出井,过冬间歇注水的注入井,杏一,二区东部,块三元区块井位图,杏一,二区东部,块三元复合驱注入曲线,2007,年,2008,年,2009,年,2010,年,2011,年,日注,入量,(m,3,),注入,压力,(,MPa,),碱浓度,(wt%),聚合物,浓度,(mg/L),注采比,注入,粘度,(,mPa.s,),界面,张力,(,mN/m,),2012,年,水驱空白,前置,聚合物,三元主段塞,聚合物段塞,节省聚合物干粉,1805t,杏一,二区东部,块三元复合驱采出曲线,日产油,(t),综合,含水,(%),采聚,浓度,(mg/L),沉没度,(m),日产液,(t),2007,年,2008,年,2009,年,2010,年,2011,年,2012,年,水驱空白,前置,聚合物,三元主段塞,聚合物段塞,