煤层气储层钻井过程中的地层损害及保护

The Damage Mechanism of Coalbed Gas Reservoir in Drilling Operation and Protection

摘要:

钻井施工是造成煤层气储层损害的一个重要环节，针对煤层气储层的特点，分析了煤层损害的机理及特殊性，并简要介绍了保护煤层免受损害的钻井技术。

Abstract:

Just as in oil and natural gas reservoirs, drilling operation in coalbed gas reservoir can also easily cause formation damage. This paper analyses the characteristics of the damage mechanism of coalbed gas reservoir,and gives out some techniques to control the damage and protect the reservoir.