Chevron says workers Tengiz oilfield protesting Kazakhstan government policies

Chevron Corp on Wednesday said it is working to end a protest over government policies by workers at its Tengizchevroil venture in kazakhstan.

The U.S. oil major is the largest foreign oil producer in Kazakhstan with a 50% stake in the Tengizchevroil (TCO) joint venture. TCO's output has not been hurt by the workers' protest, a spokesperson said.