China Accelerates Ultra-Deep Drilling to Boost Domestic Oil Supply
China is accelerating efforts to produce more oil from ultra-deep formations to boost domestic supply amid continued global market turmoil. State-owned giant PetroChina has produced more than 26 million tons of oil equivalents from reservoirs dug 6,000 meters (19,685 ft) below the surface in the Had
<p>China is accelerating efforts to produce more oil from ultra-deep formations to boost domestic supply amid continued global market turmoil. State-owned giant PetroChina has produced more than 26 million tons of oil equivalents from reservoirs dug 6,000 meters (19,685 ft) below the surface in the Had</p>