西南石油大学学报(自然科学版)

• 石油与天然气工程 • 上一篇    下一篇

长垣油藏开采过程中油水渗流规律研究

魏洪涛1,林玉保1,石京平1,杨爽2,周宇3   

  1. 1. 中国石油大庆油田勘探开发研究院,黑龙江大庆163712
    2. 中国石油大庆油田采油六厂试验大队,黑龙江大庆163712
    3. 中国石油大庆油田采油六厂一矿,黑龙江大庆163712
  • 出版日期:2013-12-01 发布日期:2013-12-01

Study on the Seepage Law of Oil-water During Development of
Changyuan Reservoir

Wei Hongtao1, Lin Yubao1, Shi Jingping1, Yang Shuang2, Zhou Yu3   

  1. 1. Exploration and Development Research Institute of Daqing Oilfield Company Ltd.,CNPC,Daqing,Helongjiang 163712,China
    2. Test Group of No.6 Oil Production Plant,Daqing Oilfield,CNPC,Daqing,Helongjiang 163712,China
    3. No.1 Mine of No.6 Oil Production Plant,Daqing Oilfield,CNPC,Daqing,Helongjiang 163712,China
  • Online:2013-12-01 Published:2013-12-01

摘要:

大庆油田的长垣油藏已进入高含水后期开采阶段,水油比急剧上升,油水分布情况和开发动态发生了重大的变
化。为了认识油水渗流规律,从推导适合长垣油藏的水驱特征曲线公式和开发指标公式开始,对实际区块的含水上升率
与含水率关系,含水率及含水上升率与采出程度关系,采油指数递减率与含水率关系,无因次采液、采油指数随含水率变
化曲线加以分析,清楚地认识了油藏开采过程中油水微观渗流规律,为油田开发规律及开发模式研究提供指导意义。

关键词: 长垣油藏, 高含水期, 水驱特征曲线, 渗流规律, 采收率

Abstract:

The Changyuan Reservoir of Daqing Oilfield has entered the stage of high water cut,WOR rising sharply. Oil and
water distribution and develop performance there have change greatly. For the knowledge of the oil and water fluid flow law,
we derived the water flooding characteristic curve formula and development index for Changyuan Reservoir,and we study the
actual block water cut rate and water ratio,water ratio and water cut rate with recovery degree,productivity index decrement
and water ratio,relative fluid productivity index and productivity factor oil with the change of water cut trend. We clearly
understand the oil and water seepage rule of the reservoirs in the process of exploiting,it provides some guidance for related
development and research.

Key words: Changyuan Reservoir, high water cut stage, water flooding characteristic curve, seepage law, recovery ratio