http://www.ogj.com/articles/2013/05/markwest-energy-buys-granite-wash-assets-in-texas--oklahoma.html http://www.ogj.com/articles/print/volume-111/issue-5/regular-features/ogj-newsletter.html http://www.ogj.com/articles/2013/04/more-pipeline-outlets-seen-crucial-to-canadian-oil-producers.html http://www.ogj.com/articles/2013/04/northern-egypt-mediterranean-license-blocks-awarded.html http://www.ogj.com/articles/2013/04/ferc-issues-supplemental-draft-eis-for-downeast-lng-project.html http://www.ogj.com/articles/print/volume-111/issue-3c/general-interest/gasoline-prices-likely-to-stay-volatile.html http://www.ogj.com/articles/print/volume-111/issue-3c/general-interest/fourth-quarter-2012-earnings-decline.html http://www.ogj.com/articles/2013/03/gasoline-prices-likely-to-stay-volatile--eprinc-report-suggests.html http://www.ogj.com/articles/print/volume-111/issue-3a/regular-features/ogj-newsletter.html http://www.ogj.com/articles/2013/03/western-gas-to-buy-marcellus-gathering-assets.html