May 15 (Reuters) - Kazakhstan’s oil output rose 5.9 percent year-on-year to 29.9 million tonnes in the first four months of 2018, the energy ministry said on Tuesday.
Output at Tengizchevroil, owned by Chevron, ExxonMobil, Lukoil and KazMunayGaz rose 1.9 percent in the same period to 9.9 million tonnes.
The giant Kashagan field, developed by Eni, ExxonMobil, CNPC, Shell, Total, Inpex and KazMunayGaz, boosted its output 71.8 percent to 3.8 million tonnes.
The Karachaganak field, operated by a Shell- and Eni-led consortium, reduced its output by 0.7 percent to 4.2 million tonnes. (Reporting by Alla Afanasyeva in Moscow Writing by Olzhas Auyezov Editing by Katya Golubkova)