Here is an extract from another post in another forum. he seems to know what he's talking about :
"The process of opening up fractures or cracks and propping them with sand has the inherent risk of the sand clogging things up, particularly if the volumes are a little enthusiastic to get max results.
The excess and screen is very quickly cleaned up and then we will se if enough sand has remained in crecks to keep them open, which is highly likely"
GDN Price at posting:
4.3¢ Sentiment: Hold Disclosure: Held