Chevron's admission that a spill from a high-pressure Shetland oil well could leak at a higher rate than BP's Macondo well (1, 500 metres below the surface) didn't help.
ECONOMIST: The final frontier for Britain��s oil and gas industry
The drilling technique, which uses sand, water and chemicals under high pressure to extract oil and natural gas from rock formations, has helped Eagle Ford oil production grow by 184% last year compared with 2011, according to the Railroad Commission of Texas, which regulates the state's oil and gas exploration and production.
Profit margins are under pressure from high oil prices and, latterly, from a pickup in wage growth.
ECONOMIST: Europe��s monetary policy: The wages of sin | The
Peak Oil means that, on balance, fields around the world that are young and still under high gas pressure, thus expanding their oil output, are equaled by older declining fields with lower pressure, which are forced to let their output slip each year.
It is powered by an engine which drives a hydraulic pump to send oil under high pressure around its plumbing in order to animate its limbs.
Fracking is the process of blasting water at high pressure into shale rock to release oil or gas held within it.
Many were culled from investor conferences like the Money Show or via high-pressure salesmen to buy working interests in oil wells.
So pressure on the rouble to remain strong still exists thanks mainly to high oil prices.
FORBES: With Real Interest Rates at Zero, Russia Will Hike Soon
Fracking uses high-pressure mixtures of water, sand or gravel and chemicals to crack rock formations and release oil and natural gas deep underground.
And of course it didn't help that oil set a new high with its largest single-day gain, putting further pressure on consumers who are already sweating record gas prices.
If Big Oil and Fast Expanding Gas are to persuade people to accept the risks from blasting high pressure chemicals into rocks deep under their homes, the industry is going to have to get much closer to those communities.
应用推荐