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入井液的快速筛选及地层损害预测系统研究
引用本文:江厚顺,王尤富,侯立朋,许朝旭.入井液的快速筛选及地层损害预测系统研究[J].钻井液与完井液,2005,22(4):37-39.
作者姓名:江厚顺  王尤富  侯立朋  许朝旭
作者单位:1. 长江大学石油工程学院
2. 大港油田南部油气开发公司
3. 中原油田分工司采油工程技术研究院
摘    要:油气藏在射孔、采油增产施工过程中,所接触的入井液对储层都存在着不同程度的损害,其损害程度是多种因素综合影响的结果.研究出了入井液的快速筛选及地层损害预测系统.该系统包括:入井液的雷诺数与地层渗透率损害率,pH值与地层渗透率损害率,防膨率与地层渗透率损害率,表面张力与油相渗透率损害率,综合因素与地层渗透率损害率关系的回归.经过实例计算表明,入井液的快速筛选及地层损害预测系统能快速预测入井液的各种因素对地层渗透率的伤害,为油气藏在射孔、采油增产施工过程中对入井液的快速筛选提供了依据.

关 键 词:入井液  防止地层损害  预测系统
文章编号:1001-5620(2005)04-0037-03
收稿时间:2004-12-02
修稿时间:2004-12-02

Quick guide and formation damage predicting system for fluids injected into well
JIANG Hou-shun and WANG You-fu Petroleum Institute of Yangtze University,Jingzhou,Hubei.Quick guide and formation damage predicting system for fluids injected into well[J].Drilling Fluid & Completion Fluid,2005,22(4):37-39.
Authors:JIANG Hou-shun and WANG You-fu Petroleum Institute of Yangtze University  Jingzhou  Hubei
Abstract:In operations such as perforation and oil stimulation, fluids injected into well make damage to reservoir formation in different degree. Literatures indicated that the damage degree is a comprehensive result of many aspects. Based on both the actual test and laboratorial simulations, a quick guide and formation damage predicting system for fluids injected into well was developed. In this system, correlation equations of detrimental effect on permeability with various fluid factors (including Reynolds number, pH value, dilatability and surface tension) were regressed. Regression of comprehensive factors and the detrimental permeability was also made. Case study showed this system works well in predicting damage to reservoir. It provides evidence for quickly selecting liquid to be injected down hole.
Keywords:fluid injected into well  formation damage  predicting system
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