徐深气田气井临界携液影响因素研究
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摘要
针对徐深气田普遍发育边底水,出水井数已占总投产井数的44. 87%的问题,通过分析徐深气田油管尺寸、温度以及压力的变化对气井临界携液流速和临界携液流量的影响规律,结合徐深气田A区块气井实测流温、流压数据计算结果,获得徐深气田气井实际临界流速和临界流量多因素影响综合变化规律。根据研究成果对徐深油田A区块出水井开展了分类治理,达到了较好的治水效果。徐深气田气井的临界携液规律研究对于出水治理以及制订合理开发对策具有重要意义。
Xushen Gasfield is characterized by well-developed edge-bottom aquifer and the number of gas wells with water breakthrough has accounted for 44.87% of the total number of production wells. The effects of tube size,temperature and pressure on the critical liquid unloading rate and critical liquid unloading volume were provided.The behaviors of actual critical liquid flow rate and flow volume were gained based on the measured flow volume and flowing pressure calculation data of Block A in the Xushen Gasfield. The gas wells with water breakthrough in the Block A of Xushen Gasfield were classified and treated according to this research findings,which obtains a favorable water control performance. The critical liquid unloading pattern is of great significance for the water breakthrough treatment and development strategy determination.
Xushen Gasfield is characterized by well-developed edge-bottom aquifer and the number of gas wells with water breakthrough has accounted for 44.87% of the total number of production wells. The effects of tube size,temperature and pressure on the critical liquid unloading rate and critical liquid unloading volume were provided.The behaviors of actual critical liquid flow rate and flow volume were gained based on the measured flow volume and flowing pressure calculation data of Block A in the Xushen Gasfield. The gas wells with water breakthrough in the Block A of Xushen Gasfield were classified and treated according to this research findings,which obtains a favorable water control performance. The critical liquid unloading pattern is of great significance for the water breakthrough treatment and development strategy determination.
引文
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[19]孙旭东,吴冲龙,王玉娟,等.基于CSI综合工作法的油气地质综合研究知识模型设计[J].东北石油大学学报,2016,40(1):25-32.
[20]刘睿,黄晓波,汪晶,等.渤海湾沙北地区共轭走滑断裂带特征及其对油气的控制作用[J].东北石油大学学报,2018,42(2):43-50.
[2]孔垂显,邱子刚,秦军,等.准噶尔盆地西北缘石炭系火山岩储层特征研究[J].特种油气藏,2017,24(6):28-32.
[3]舒萍,纪学雁,丁日新,等.徐深气田火山岩储层的裂缝特征研究[J].大庆石油地质与开发,2008,27(1):13-17.
[4]周立宏,李洪香,杨朋,等.沧东中生界火山岩特征与油气成藏模式[J].特种油气藏,2017,24(3):9-14.
[5]舒萍,曲延明,丁日新,等.松辽盆地北部庆深气田火山岩储层岩性岩相研究[J].大庆石油地质与开发,2007,26(6):31-35.
[6]TURNER R G.Analysis and prediction of minimum flow rate for the continuous removal liquids from gas wells[J].JPT,1969(11):1475-1482.
[7]于士泉.大庆深层气藏复杂结构井开发实践与认识[J].大庆石油地质与开发,2018,37(3):49-53.
[8]闫林,周雪峰,高涛,等.徐深气田兴城开发区火山岩储层发育控制因素分析[J].大庆石油地质与开发,2007,26(2):9-13.
[9]苑志旺,郭平,姜彬,等.深层火山岩气藏压裂直井复合渗流产能模型[J].大庆石油地质与开发,2018,37(1):55-59.
[10]王建国,耿师江,庞彦明,等.火山岩岩性测井识别方法以及对储层物性的控制作用[J].大庆石油地质与开发,2008,27(2):136-139.
[11]苏海洋,廖长霖,李波,等.孔隙型碳酸盐岩油藏提高采收率驱油方式实验[J].油气地质与采收率,2016,23(1):90-95.
[12]何云,杨益荣,刘争芬.大牛地气田水平井携液规律及排液对策研究[J].天然气勘探与开发,2013,36(3):38-49.
[13]卢双舫,付广,王朋岩.天然气富集主控因素的定量研究[M].北京:石油工业出版社,2002:99-118.
[14]曹宝军,高涛.徐深气田D区块火山岩气藏合理开发对策[J].大庆石油地质与开发,2016,35(3):54-57.
[15]闫林,周雪峰,高涛,等.徐深气田兴城开发区火山岩储层次生溶蚀孔隙研究[J].天然气工业,2007,27(8):16-19.
[16]张春光,姜瑞忠,乔欣,等.双重介质致密分形气藏水平井压力动态分析[J].东北石油大学学报,2018,42(6):95-103.
[17]刘薇,卢双舫,王民,等.致密砂岩储集空间全孔喉直径表征及其意义---以松辽盆地龙虎泡油田龙26外扩区为例[J].东北石油大学学报,2018,42(6):41-51.
[18]樊奇,田继军,樊太亮,等.松辽盆地民东地区差异成藏及主控因素[J].东北石油大学学报,2017,41(3):73-83.
[19]孙旭东,吴冲龙,王玉娟,等.基于CSI综合工作法的油气地质综合研究知识模型设计[J].东北石油大学学报,2016,40(1):25-32.
[20]刘睿,黄晓波,汪晶,等.渤海湾沙北地区共轭走滑断裂带特征及其对油气的控制作用[J].东北石油大学学报,2018,42(2):43-50.