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中原油田深井保护储层钻井液技术
引用本文:郭国强,魏军,宋士军,张广磊.中原油田深井保护储层钻井液技术[J].断块油气田,2001,8(4):52-54.
作者姓名:郭国强  魏军  宋士军  张广磊
作者单位:1. 中原油田分公司勘探事业部
2. 中原石油勘探局钻井技术研究院
3. 中原油田分公司工程监督中心
摘    要:东濮凹陷经过多年的勘探开发,勘探方向已转向深层,这对钻井液提出 了更高的要求,不仅要满足深井钻井工程的需要,具有较高的抗高温性,还要有较高的渗透率恢复值,以保护和发现储层,提高油气勘探效益。以中原油田东濮凹陷2口重点探井-濮深15井和濮深8井为例,阐述了东濮凹陷深井打开储层时钻井液对油气层的损害原因及采取不同措施后保护油气层的效果。东濮凹陷深井在打开油气层时,运用聚磺钾盐屏蔽暂堵钻井液体系可更好地保护储层。

关 键 词:东濮凹陷  深井  钻井液  屏蔽暂堵  油气层保护  渗透率恢复值  中原油田
修稿时间:2001年3月20日

The Drilling Fluid for Reservoir Protection in Deep Wells in Zhongyuan Oilfield
Guo Guoqiang.The Drilling Fluid for Reservoir Protection in Deep Wells in Zhongyuan Oilfield[J].Fault-Block Oil & Gas Field,2001,8(4):52-54.
Authors:Guo Guoqiang
Abstract:After Dongpu sag has been explorated and developed for many years,the object has been turned to deeper formation,so the demand on deep well drilling fluid is higher.It must not only meet the needs of deep drilling engineering,which has good resist temperature stability,but also has higher value of permeability rate to protect and find out reservoir and improve the oil and gas exploration and development.This paper will make two examples of important wells-Pusher 15,Pushen 8,shows the reasons of formation damage and the effects after taking some different measures,and it indicates taking polysulfonic potassium shield momenatry plugging drilling fluid system is beneficial to reservoir protection.
Keywords:Deep well  Reservoir protection  Drilling fluid  shiel momertary plugging  Build-up value of permeability rate  Dongpu sag  
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