Two officials from the state-run North Oil Co confirmed the militants seized a crude oil separation unit.
Details emerging of the final moments of Flight QZ8501 are likely to focus attention partly on maintenance.
Rebel delegates flew to the Belarus capital Minsk, only to announce that no talks would take place.
Archwell Maramba was handed a nine-year jail sentence.
The Russian president has made his and his family’s private life little less than a state secret.
Militants launched attacks near Kirkuk, while bombs killed 18 in Baghdad.