Lead stories: ExxonMobil takes 4.8 billion boe proven reserve hit. Macro: OPEC progress on cuts fails to move Brent; warm weather having a brutal impact on US gas prices. Q4 results: US Independents fail to excite investors with 2017 plans; BHP Billiton gets commodity price boost; Repsol delivers a strong Q4 – can it be sustained? Companies: Shell expands in the Vaca Muerta; Noble green-lights Leviathan. M&A: Total sells non-core Gabon interests to Perenco; Chevron close to Bangladeshi gas disposal?