The developer of Kazakhstan's Tengiz oil field has reportedly lost ... of creating a public health hazard with the piles of sulphur near the oil field, Interfax said. The company argued in its ...

called for TCO's project to be suspended unless the joint venture dealt with the "huge stocks" of sulfur that have built up at the field as a byproduct of the production of sour Tengiz oil and gas.

The department had said that between 2003 and 2006 Tengizchevroil dumped about 2.8 million tonnes of sulphur in the open ... a by-product of production at Tengiz, where crude contains hydrogen ...

The new development scheme is due to be approved in mid-2011 ­after recalculation of the reserves of the Tengiz and Korolevskoye ... There will not be any gas or sulphur processing, with ...

As evidence of the consortium's environmental record, Chevron - for the first time since it entered the country in 1993 - sold more sulfur than it produced in 2006, Levy said. Tengiz's oil is ...

Chevron said in January it had begun a $48 billion expansion of Tengiz, which is one of the world's deepest and most complex fields due to high sulphur levels and harsh weather conditions.

Chevron shares were down 0.25% at 1240 GMT. Tengiz is one of the world's deepest and most complex fields due to high levels of sulphur and harsh weather conditions. The expansion has suffered ...

U.S. energy giant Chevron expects 1 million barrels of oil equivalent per day from Kazakhstan's Tengiz oil field, which is among the world's biggest. Meanwhile, an Exxon executive downplayed hopes ...

A major development led by Chevron Corp. to boost oil output at Kazakhstan’s Tengiz field will cost about $48.5 billion, according to people familiar with the matter. The US oil giant said at ...