You were probably looking for an article at PetroWiki, Borehole instability. However, the article cannot be copied to Wikipedia, since PetroWiki is unfree: see PetroWiki:Permissions. - Mike Rosoft (talk) 05:09, 21 April 2013 (UTC)
You were probably looking for an article at PetroWiki, Borehole instability. However, the article cannot be copied to Wikipedia, since PetroWiki is unfree: see PetroWiki:Permissions. - Mike Rosoft (talk) 05:09, 21 April 2013 (UTC)Reply