Source: BP On June 19, 2015, BP Plc (NYSE:BP) announced that it was going to buy a 20% stake in Russia's state-run Rosneft (RNFTF) subsidiary Taas-Yuryakh Neftegazodobycha [Taas], creating a new joint venture in East Siberia for $750 million. The JV will develop the the Srednebotuobinskoye oil and gas condensate field, which is producing around 20,000 barrel of oil per day. By 2017, BP and Rosneft come to boost that up to 100,000 bo/d. This deal also includes BP and Rosneft exploring the vast West Siberian and Yenisey-Khatanga basins for oil and natural gas. So far it doesn't look like this deal is running afoul of sanctions. We will have to see. To read about BP's prospects as an investment after its $18.7 billion settlement with the US government, click here. Investors who want to check out more about the energy industry should check out the Oil & Gas Investment Page. Disclosure: Callum Turcan, the author, does not own any of the companies mentioned above. Always do your own due diligence before investing.