7/29 OPEC OPEC's Annual Statistical Bulletin for launch 29 July 2013 http://www.opec.org/opec_web/en/press_room/2571.htm
7/30 BP Second Quarter 2013 Results (Stock Exchange Announcement) http://www.bp.com/en/global/corporate/press/press-releases/second-quarter-2013-results--stock-exchange-announcement.html
7/31 国際石油開発帝石 直江津LNG基地向け 中部電力との液化天然ガス(LNG)売買契約の締結について http://www.inpex.co.jp/news/pdf/2013/20130731-a.pdf
8/1 石油資源開発 新潟県での天然ガス産出テスト成功のお知らせ http://www.japex.co.jp/newsrelease/pdf/20130801_niigata.pdf
8/1 ExxonMobil Exxon Mobil Corporation Announces Estimated Second Quarter 2013 Results http://news.exxonmobil.com/press-release/exxon-mobil-corporation-announces-estimated-second-quarter-2013-results
8/1 Shell Second quarter 2013 results announcement http://www.shell.com/global/aboutshell/media/news-and-media-releases/2013/second-quarter-2013-results-announcement.html
8/1 ConocoPhillips ConocoPhillips Reports Second-Quarter 2013 Results: Strategic Plan on Track, Raising Full-Year Production Guidance http://www.conocophillips.com/newsroom/Pages/news-releases.aspx
8/2 Chevron Chevron Reports Second Quarter Net Income of $5.4 Billion http://www.chevron.com/chevron/pressreleases/article/08022013_chevronreportssecondquarternetincomeof54billion.news