凝析气田注气吞吐解除近井污染可行性研究
|
摘要
为了有效解除某凝析气田近井地带反凝析、反向渗析污染问题,达到提高气井产能的目的,需要优化现有生产制度。对模拟吞吐作业下凝析气井的产能敏感因素、物性变化、近井地带压力变化进行研究,分析评价了减轻反凝析污染的可行性,为凝析气田的合理高效开发提供技术支持和决策依据。模拟结果表明注气吞吐是提高采收率的一种有效方式,对凝析气井的稳产和解决反凝析问题起到了较好的作用。所以应保持近井地带压力避免反凝析现象出现。
In order toenhance gas well productivityand solve the problemofretrograde condensate near the wellbore and reverse- dialysis pollution in Yingmaili,it is necessarytooptimize and adjust the existingproduction system. For this purpose,studied are condensate gas well productivity sensitive factors,property change and change of pressure near the wellbore in throughput operation simulation and analyzed is the feasibility of mitigating the retrograde condensation pollution. The results showthat gas injection is an effective waytoimprove oil recovery,and hold- up ofpressure near the wellbore is veryimportant for avoidingthe retrograde condensation.
In order toenhance gas well productivityand solve the problemofretrograde condensate near the wellbore and reverse- dialysis pollution in Yingmaili,it is necessarytooptimize and adjust the existingproduction system. For this purpose,studied are condensate gas well productivity sensitive factors,property change and change of pressure near the wellbore in throughput operation simulation and analyzed is the feasibility of mitigating the retrograde condensation pollution. The results showthat gas injection is an effective waytoimprove oil recovery,and hold- up ofpressure near the wellbore is veryimportant for avoidingthe retrograde condensation.
引文
[1]郭平,李士伦,杜志敏,等.凝析气藏开发技术现状及问题[J].新疆石油地质,2002,23(3):262-264.
[2]李士伦,王鸣华,何江川,等.气田与凝析气田开发[M].北京:石油工业出版社,2004.138-204.
[3]刘建仪,郭平,李士伦.反凝析污染对凝析气井伤害的实验评价研究[J].天然气工业,2001,21(5):67-70.
[4]李实,郑希潭,陈钢,等.凝析油地下反蒸发的实验研究[J].石油学报,2001,22(6):45-49.
[5]潘毅,孙雷,李士伦,等.凝析气藏解除反凝析污染提高气井产能方法[J].西南石油大学学报,2007,37(4):37-40.
[6]吴国云.稠油油田蒸汽吞吐动态预测方法研究[J].天然气与石油,1996,14(2):62-66.
[7]Brian F T.凝析气PVT参数的计算方法[J].蒲建译.天然气与石油,1998,16(2):64-68.
[8]Chun-Sheng Jia,Yun Li,Yu Sun,et al.Bound States of theFive-parameter Exponential-type Potential Model[J].PhysicsLetters A,2003,311(2-3):115-125.
[9]Chun-sheng Jia,Yu Sun,Yun Li.Complexified Poschl-teller IIPotential Model[J].Physics Letters A.2002,305(2):231-238.
[10]Bamum R S.Gas Condensate Reservoir Behavior Productivityand Recovery Reduction Due to Condensation[C].SPE70767,1995,677-687.
[2]李士伦,王鸣华,何江川,等.气田与凝析气田开发[M].北京:石油工业出版社,2004.138-204.
[3]刘建仪,郭平,李士伦.反凝析污染对凝析气井伤害的实验评价研究[J].天然气工业,2001,21(5):67-70.
[4]李实,郑希潭,陈钢,等.凝析油地下反蒸发的实验研究[J].石油学报,2001,22(6):45-49.
[5]潘毅,孙雷,李士伦,等.凝析气藏解除反凝析污染提高气井产能方法[J].西南石油大学学报,2007,37(4):37-40.
[6]吴国云.稠油油田蒸汽吞吐动态预测方法研究[J].天然气与石油,1996,14(2):62-66.
[7]Brian F T.凝析气PVT参数的计算方法[J].蒲建译.天然气与石油,1998,16(2):64-68.
[8]Chun-Sheng Jia,Yun Li,Yu Sun,et al.Bound States of theFive-parameter Exponential-type Potential Model[J].PhysicsLetters A,2003,311(2-3):115-125.
[9]Chun-sheng Jia,Yu Sun,Yun Li.Complexified Poschl-teller IIPotential Model[J].Physics Letters A.2002,305(2):231-238.
[10]Bamum R S.Gas Condensate Reservoir Behavior Productivityand Recovery Reduction Due to Condensation[C].SPE70767,1995,677-687.