Following the drilling of the Mangala-5 and Mangala-6 appraisal wells in India’s northern Rajasthan state, UK-based Cairn Energy said it has successfully concluded its appraisal drilling campaign on the Mangala oil field. Cairn said: “Mangala-5 was drilled up-dip 1.5 kilometres from the Mangala-1 discovery well and two kilometres from Mangala-3. The well encountered 125 net…