1887

Abstract

The practices have shown that the premise for successful implementation of gas drilling is stable borehole wall, formation<br>containing less water or no water, not high pressure formation and clear reservoir bed relation, etc. Therefore, accurately<br>evaluating borehole wall stability, predicting formation water production and selecting reasonable well intervals for gas<br>drilling to effectively prevent occurrence of complex conditions such as blocking, sticking and fracture of drilling tools, etc.<br>caused by formation water production and borehole wall instability are the keys for success of gas drilling.

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/content/papers/10.3997/2214-4609-pdb.151.iptc13499
2009-12-07
2021-01-19
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.151.iptc13499
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