Oil production at Kazakhstan's top field Tengiz was reduced on Thursday, its operator Chevron said, as some contractors disrupted train lines in support of protests taking place across the central ...

Kazakhstan's Tengiz oilfield, operated by Chevron, has reached a record output in October, potentially complicating adherence to its Organization of the Petroleum Exporting Countries (OPEC+ ...

Chevron is speeding up its expansion of Kazakhstan's Tengiz oilfield, two sources familiar with the plans told Reuters, raising its output to around 1% of global crude supply.

Tengiz is crucial for Chevron’s financial performance. Mr. Neff forecast that, assuming oil prices of $60 a barrel, it will generate Chevron $4 billion in 2025 and $5 billion in 2026 in free ...

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 ...

Chevron launched its first production at its Tengiz oilfield expansion project in Kazakhstan on Thursday, with completion of the final phase of the expansion set for the first half of next year, ...

Kazakhstan's Tengiz oilfield, operated by Chevron, has reached a record output in October, potentially complicating adherence to its Organization of the Petroleum Exporting Countries (OPEC+ ...