缝洞碳酸盐岩凝析气藏注水替凝析油实验
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摘要
缝洞型碳酸盐岩油气藏是一种复杂、特殊类型的油气藏,其储层以缝洞和裂缝-孔洞为主,具有双孔隙网络特征及较强的非均质性,渗流规律复杂,实现该类油气藏的高效开发是诸多石油工作者关心并一直致力于研究的问题。借鉴在缝洞型碳酸盐油藏中应用效果较好的"注水替油"方法,建立了缝洞型碳酸盐岩凝析气藏"多级压力注水替凝析油"方法,并以高含凝析油的TZ86井为例,采用露头碳酸盐岩经过人工造缝造洞技术制成全直径缝洞型岩心,在原始地层条件(140.6℃,58 MPa)下进行了多级注水替凝析油物理模拟实验,结果表明采用多级注水替凝析油方式开发缝洞型碳酸盐岩凝析气藏可取得较好效果。
The fractured-cavemous carbonate petroleum reservoir is one kind of complex and special oil and gas reservoirs,which are mainly composed of fissures and fracture-caverns and possess dual-porosity network characteristics,rather stronger anisotropy,and complex flow laws,so how to highly effectively develop this kind of reservoir is the studied issue for a lot of oil workers all the time.With the help of the method of "waterflooding replaced oil" well adopted in the fractured-cavemous carbonate oil reservoirs,The approach of " multi-level pressure waterflooding replaced condensate" for the fractured-cavemous carbonate gas reservoirs is established,and furthermore taking high-condensate Well TZ86 as an example,by means of full diameter fractured-cavemous cores made by the manufacturing technique of artificial fractures and caves from the outcrop carbonate rock,the physical simulating experiments of multi-level waterflooding replaced condensate are conducted under the initial reservoir conditions(140.6 ℃ and 58 MPa).The experimental results show that the much better effects are achieved by the multilevel waterflooding replaced condensate method for the development of the fractured-cavemous carbonate condensate gas reservoirs.
The fractured-cavemous carbonate petroleum reservoir is one kind of complex and special oil and gas reservoirs,which are mainly composed of fissures and fracture-caverns and possess dual-porosity network characteristics,rather stronger anisotropy,and complex flow laws,so how to highly effectively develop this kind of reservoir is the studied issue for a lot of oil workers all the time.With the help of the method of "waterflooding replaced oil" well adopted in the fractured-cavemous carbonate oil reservoirs,The approach of " multi-level pressure waterflooding replaced condensate" for the fractured-cavemous carbonate gas reservoirs is established,and furthermore taking high-condensate Well TZ86 as an example,by means of full diameter fractured-cavemous cores made by the manufacturing technique of artificial fractures and caves from the outcrop carbonate rock,the physical simulating experiments of multi-level waterflooding replaced condensate are conducted under the initial reservoir conditions(140.6 ℃ and 58 MPa).The experimental results show that the much better effects are achieved by the multilevel waterflooding replaced condensate method for the development of the fractured-cavemous carbonate condensate gas reservoirs.
引文
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[27]石艺.塔河采油二厂巧用注水替油工艺长关井再现生机[J].石油钻采工艺,2006,28(2):77.
[28]杨旭,杨迎春,廖志勇.塔河缝洞型油藏注水替油开发效果评价[J].新疆石油天然气,2010,6(2):59-64+111.
[29]Li Z Y,,Pan L,Can F.Waterflooding Development 0fFracture-cave Carbonate Reservoir[J].Petroleum Science and Technology,2013,31(10):1027-1039.
[30]徐萍.深层高凝油油藏注水研究[J].特种油气藏,2007,14(3):66-68+80.
[31]龚姚进,梁光迅.沈625块裂缝型低潜山油藏注水开发主要做法及效果评价[J].特种油气藏,2007,14(2):93-96.
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[2]王黎栋,万力,于炳松.塔中地区T47界面碳酸盐岩古岩溶发育控制因素分析[J].大庆石油地质与开发,2008,27(1):34-38.
[3]康志江,李红凯.塔河油田奥陶系碳酸盐岩储集体特征[J].大庆石油地质与开发,2014,33(1):21-26.
[4]赵海洋,张士诚.玉北区块裂缝型碳酸盐岩油藏复合酸压改造技术[J].大庆石油地质与开发,2014,33(1):102-105.
[5]颜其彬,陈培元,杨辉廷.塔河油田4区缝洞型碳酸盐岩储层建模[J].大庆石油地质与开发,2013,32(6):48-52.
[6]程倩,李阳,熊伟,等.缝洞型碳酸盐岩油藏介质理论[J].大庆石油地质与开发,2009,28(4):35-38.
[7]刘道杰,田中敬,LI Jianli,等.碳酸盐岩气藏储层外部能量评价新方法[J].大庆石油地质与开发,2013,32(5):67-71.
[8]康志江.缝洞型复杂介质油藏数值模拟方法[J].大庆石油地质与开发,2013,32(2):55-59.
[9]康志江,崔书岳.塔河油田缝洞型碳酸盐岩油藏剩余油分布特征[J].大庆石油地质与开发,2012,31(6):54-58.
[10]熊伟,常宝华,潘懋.裂缝-孔洞型油藏弹性开采实验[J].大庆石油地质与开发,2012,31(2):116-119.
[11]刘洪,王新海,任路.含局部非均质区碳酸盐岩油藏产量变化规律[J].大庆石油地质与开发,2012,31(2):102-106.
[12]王延章.古水深对碳酸盐岩滩坝发育的控制作用[J].大庆石油地质与开发,2011,30(6):27-31.
[13]张淑娟,王延斌,顾雪梅.高含水期碳酸盐岩潜山油藏描述新技术[J].大庆石油地质与开发,2011,30(6):71-74.
[14]常宝华,熊伟,高树生.大尺度缝洞型碳酸盐岩油藏弹性开采特征分析[J].大庆石油地质与开发,2011,30(5):72-75.
[15]康志江,赵艳艳,张杰.缝洞型碳酸盐岩油藏注水开发效果评价方法[J].大庆石油地质与开发,2011,30(4):56-58.
[16]程倩,李阳,熊伟.缝洞型碳酸盐岩油藏基岩块渗流特征初探[J].大庆石油地质与开发,2010,29(3):98-100.
[17]高伟,王允诚,陈科贵,等.碳酸盐岩水淹层定性评价方法研究[J].大庆石油地质与开发,2007,26(6):127-130.
[18]罗娟,陈小凡,涂兴万,等.塔河缝洞型油藏单井注水替油机理研究[J].石油地质与工程,2007,21(2):52-54.
[19]荣元帅,黄咏梅,刘学利,等.塔河油田缝洞型油藏单井注水替油技术研究[J].石油钻探技术,2008,36(4):57-60.
[20]李鹴,李允.缝洞型碳酸盐岩孤立溶洞注水替油实验研究[J].西南石油大学学报:自然科学版,2010,32(1):1 17-120.
[21]马旭杰,刘培亮,何长江.塔河油田缝洞型油藏注水开发模式[J].新疆石油地质,2011,32(1):63-65.
[22]胡黎明,谢鑫,林强.浅谈塔河油田注水替油机理[J].科技创新导报,2012(14):73.
[23]李爱芬,张东,高成海.封闭定容型缝洞单元注水替油开采规律[J].油气地质与采收率,2012,19(3):94-97+117.
[24]郭素华,赵海洋,邓洪军,等.缝洞型碳酸盐岩油藏注水替油技术研究与应用[J].石油地质与工程,2008,22(5):118-120.
[25]杨亚东,杨兆中,甘振维,等.单井注水吞吐在塔河油田的应用[J].天然气勘探与开发,2006,29(2):32-35+3.
[26]涂兴万.碳酸盐岩缝洞型油藏单井注水替油开采的成功实践[J].新疆石油地质,2008,29(6):735-736.
[27]石艺.塔河采油二厂巧用注水替油工艺长关井再现生机[J].石油钻采工艺,2006,28(2):77.
[28]杨旭,杨迎春,廖志勇.塔河缝洞型油藏注水替油开发效果评价[J].新疆石油天然气,2010,6(2):59-64+111.
[29]Li Z Y,,Pan L,Can F.Waterflooding Development 0fFracture-cave Carbonate Reservoir[J].Petroleum Science and Technology,2013,31(10):1027-1039.
[30]徐萍.深层高凝油油藏注水研究[J].特种油气藏,2007,14(3):66-68+80.
[31]龚姚进,梁光迅.沈625块裂缝型低潜山油藏注水开发主要做法及效果评价[J].特种油气藏,2007,14(2):93-96.
[32]西南石油大学.缝洞型碳酸盐凝析气藏注水替气实验测试方法[R].成都:西南石油大学,2012.