The energy giant is spending nearly $50 billion to expand the Tengiz oil field, allowing it to pump one million barrels a day ...

Researchers plan to study whether carbon can be stored underground in the oil fields of Osage and Kay counties.

Chevron expects Kazakhstan's Tengiz oil field, one of the largest of its kind in the world, to produce 1 million barrels of ...

Chevron Corp. said Friday it completed an expansion at Kazakhstan’s huge Tengiz oil field, which is expected to pump 1 ...

Kazakhstan, one of the world's 10 biggest oil producers, increased pressure on international companies operating in the ...

It took 2 years, but the Texas Railroad Commission has updated regulations for the disposal of brine, drilling mud and other ...

The Sampang production sharing contract offshore East Java is owned by operator Medco Energi, PetroChina subsidiary Singapore ...

The British ambassador to Baghdad said on Wednesday that BP will engage the Kurdistan Region regarding its controversial ...

Oil and gas executives welcomed President Trump’s early moves on energy policy, but many said they did not plan to increase ...

Brazilian state-run oil firm Petrobras said on Wednesday that its estimated proven reserves of oil, condensate and natural ...

The Reeves County Sheriff’s Office has released new information about an oil field accident that killed one and seriously ...

Kazakhstan's oil production reached a record high of 2 million barrels per day following the start-up of Chevron's expansion ...