Other than natural gas, Chesapeake also operates in oil production, oil and natural gas marketing, natural gas compression, rig drilling and trucking, which form the rest 25% of the stock price.
Development Driller II, the rig drilling a second relief well as a redundancy measure, is completing preparations for its blowout preventer to be used on the Macondo well, while the Development Driller III -- the rig drilling the relief well expected to intercept the main well -- is standing by until that's done.
It was -- this particular rig started drilling in this location in January of this year.
Plus the rig also must be kept at the same position, so energy must be expended fighting the ocean currents, and mud must be pumped, workers helicoptered on and off the rig, drilling materials delivered, etc.
Repsol will be using a Chinese-built drilling rig that only recently left Singapore for Cuban waters.
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The drilling rig will operate 24 hours a day and will be brightly lit.
The incident began just after midnight on the drilling rig - which was on contract to BP.
Last year, the rental cost of a jack-up drilling rig went up 66%.
"The responsibility for safety on the drilling rig is with Transocean, " Hayward said.
The well erupted after an April 20 explosion aboard the drilling rig Deepwater Horizon that left 11 men dead.
On April 20th, an explosion ripped through BP Deepwater Horizon drilling rig, about 40 miles off the coast of Louisiana.
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In California, an offshore drilling rig stained the coast of Santa Barbara with more than 3 million gallons of crude oil.
During the spill, half of the oil and most of the gas from the drilling rig never made it to the surface.
After the explosion on the drilling rig, it began with an aggressive search-and-rescue effort to evacuate 115 people, including three badly injured.
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Even farther afield is "The Abyss, " a sci-fi underwater adventure that takes place on a high-tech drilling rig that sits on the seafloor.
The blowout on that drilling rig killed 11 and led to the spilling of more than 4 million barrels of oil into the Gulf.
The BP well erupted after an explosion and fire on the leased Deepwater Horizon drilling rig on April 20 that killed 11 people.
And this has all happened as the natural gas drilling rig count has dropped from a high of about 1600 to around 400 today.
One danger is that, as the oil slowly oozes out, it might leak into the ground water before a drilling rig can pump it out.
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In 1979, the worlds's worst oil spillage occurred as a result of a marine blow-out beneath the drilling rig Ixtoc 1 in the Gulf of Mexico.
Visitors to an offshore drilling rig or production platform receive safety training and are outfitted with steel-toed boots, safety goggles, gloves, hearing protection, and a helmet.
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The explosion in April of that year of a drilling rig in the Gulf of Mexico triggered the largest offshore oil spill in the country's history.
The comments come amid increasing frustration at the company's inability control the spill, which began late April when a drilling rig working for BP exploded and sank.
The Deepwater Horizon Oil Spill began in the Gulf of Mexico on April 20th with a drilling rig explosion that killed eleven platform workers and injured seventeen others.
Furthermore, the average offshore drilling rig is 20 years old.
Two high-ranking supervisors on the Deepwater Horizon drilling rig have been indicted on 23 counts, including manslaughter, for allegedly ignoring warning signs of a possible blowout on the rig.
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There was in fact a discharge from a drilling rig in March, but the oil people say it consisted of mud containing no substances that would affect the environment.
We may need to evacuate a drilling rig out in the Gulf of Mexico such as McMoRan, Energy XXI did with the approach of Hurricane Isaac earlier this summer.
She paused to tell stories about the trail and the area, pointing out an old rig that tried drilling for oil in the 1970s and describing the way the native plants have developed.
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