Halliburton signs Kazakh Cooperation Deal

    Halliburton Co, the world’s second-largest oilfield-services provider, has signed an accord to increase cooperation with units of Kazakhstan’s state oil company in Central Asia’s biggest energy producer.     Halliburton Chief Executive Officer David Lesar met in Astana with Kazakh Prime Minister Karim Masimov to discuss planned projects, the prime minister’s press office...