Wood Mackenzie released it's insight on "Hedging: where is the value?" Emerald Oil is seeking Chapter 11 bankruptcy protection amid downturn in oil prices. Equity market remains confident in oil price recovery. Antero Midstream Partners looks to raise $206 million by issuing equity. Schlumberger plans to test five prototype onshore drilling rigs in US and Ecuador. Stone Energy coping with new supplemental bonding requirements.