Lead stories: Anadarko's US$2.5 billion share buyback is the wind of change blowing through the tight oil sector? Macro: oil and gas equities surge in another strong week for Brent. Companies: BP brings Khazzan onstream ahead of schedule and under budget; Tullow gets green light to resume drilling at TEN; Total expands its renewables portfolio and rediscovers appetite for GoM exploration; Statoil hits Norway carbon reduction target three years early. M&A: Cenovus sells more domestic conventional assets. Exploration: ONGC strikes oil in India.