http://www.ogj.com/articles/print/volume-111/issue-5a/regular-features/ogj-newsletter.html http://www.ogj.com/articles/2013/05/markwest-energy-buys-granite-wash-assets-in-texas--oklahoma.html http://www.ogj.com/articles/2013/05/api-broadens-its-technical-programs-to-address-public-scrutiny.html http://www.ogj.com/articles/print/volume-111/issue-5/special-report-worldwide-construction/survey-shows-increase-in-refining.html http://www.ogj.com/articles/print/volume-111/issue-5/regular-features/ogj-newsletter.html http://www.ogj.com/articles/2013/05/net-midstream-adds-eagle-ford-natural-gas-shippers.html http://www.ogj.com/articles/2013/05/enbridge-to-build-east-texas-cryo-plant.html http://www.ogj.com/articles/print/volume-111/issue-4c/regular-features/ogj-newsletter.html http://www.ogj.com/articles/2013/04/atlas-pipeline-to-buy-teak-midstream.html http://www.ogj.com/articles/2013/04/williams-partners--shell-form-midstream-jv.html