Petra Petroleum Inc. Completes Private Placement of C$31.7 Million in Subscription Receipts Posted on April 10, 2015 by MasterBlog CALGARY, ALBERTA–(Marketwired – April 10, 2015) – http://ift.tt/1OiXNI2 @MasterMetals MasterMetals Blog from MasterMetals http://ift.tt/1Ds0OCx Advertisements Share this:TwitterFacebookEmailMorePrintPinterestGoogleTumblrPocketLinkedInLike this:Like Loading... Related