西南石油大学学报(自然科学版) ›› 2011, Vol. 33 ›› Issue (4): 107-110.DOI: 10.3863/j.issn.1674 – 5086.2011.04.019

• 石油与天然气工程 • 上一篇    下一篇

变导流能力下压裂井生产动态研究

焦春艳1, 何顺利1, 张海杰2, 刘华勋3   

  1. 1. 中国石油大学 ( 北京) 石油工程教育部重点实验室, 北京 昌平 102249;2. 中国石油西南油气田公司重庆气矿, 重庆 江北 400021;3. 中国石油勘探开发研究院廊坊分院, 河北 廊坊 065007
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-08-20 发布日期:2011-08-20

Study on Production Performance of Fractured Well Under the Condition ofVariable Conductivity

JIAO Chun-yan1, HE Shun-li1, ZHANG Hai-jie2, LIU Hua-xun3   

  1. 1. MOE Key Laboratory of Petroleum Engineering, China University of Petroleum ( Beijing ) , Changping, Beijing 102249, China;2. Chongqing Gasfield, Southwest Oil & Gas Field Company, Jiangbei, Chongqing 400021, China; 3. Langfang Branch, ResearchInstitute of Petroleum Exploration and Development, PetroChina, Langfang, Hebei 065007, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-08-20 Published:2011-08-20

摘要: 人工裂缝长期导流能力随时间变化, 据此建立了考虑人工裂缝长期导流能力变化的数学模型。应用
数值模拟方法研究长期导流能力变化对地层压力场及流场分布和压裂井产能的影响。数模结果表明: 裂缝
长期导流能力的损失, 会导致地层流体更多地通过井底附近的裂缝流入井底, 优化了裂缝内的流场, 减缓了
压裂井产能递减速率; 其他情况相同时, 裂缝半长越长, 裂缝长期导流能力的损失对压裂井产能的影响越
大。

关键词: 压裂, 导流能力, 数值模拟, 流场, 生产动态

Abstract: A large number of experimental studies have shown that long-term flow conductivity of artificial fracture
changes over time. So this paper establishes mathematical model of percolation in the condition that the long-term
flow conductivity of the artificial fracture alters over time. By numerical simulation, this paper states about the
impacts of change of the long term flow conductivity on the production and flow field. The results show that the
loss of the flow conductivity will lead more formation fluid to the bottom of well through the fracture near the
bottom, which makes the flow field in the fracture reasonable and slows down the decreases of productivity. When
other conditions are same, the longer the fracture is, the more impact the lost of the flow conductivity has on the
productivity.

Key words: water fracturing, flow conduction, numerical simulation, flow field, production performance

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