In the U.S. BP is actively drilling shales and contributing to the supply miracle.
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Shales are fine-grained sedimentary rocks that can be rich sources of petroleum and natural gas.
Besides this, the firm will also get access to the Mississippi Lime and Woodford shales in Oklahoma.
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On the liquids front, Chesapeake still has big chunks of the Eagle Ford, Bakken, Utica and Marcellus shales.
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Under, umm, perhaps 3, 000 feet of rock (the UK shales are buried rather deeper than the US ones).
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Shales are tough to drill, necessitating wells with lots of horizontal laterals snaking their way into thin pay zones.
Most of the water pumped down stays within the hole and the shales, but perhaps a quarter does not.
Lots of gas and falling prices sent many rigs heading to oil-rich shales to take advantage of high prices for crude.
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Now we have to go to 10, 000 feet of water to find oil, we have to go into oil sands, oil shales.
Enerplus is active in both the Bakken and Marcellus Shales in the United States, in addition to many long-lived Western Canadian assets.
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The Bakken and Eagle Ford shales under Montana and North Dakota contain up to 700 billion barrels of fluid oil bound tightly into sandstone.
Another 1.55 mn leased acres gives Chesapeake the dominant position in the Ohio Utica shales, ands they hold dominant positions in many other plays.
ConocoPhillips has substantial positions in gas plays in the Eagle Ford and Bakken shales, and alongside ExxonMobil in the Horn River region of western Canada.
These pipelines will distribute gas from the fracked shales and deliver oil from the tar sands, giving us the biggest energy boom in 60 years.
Only in the last decade, though, have engineers figured out how to drill these shales to liberate the natural gas and oil which have been trapped within.
On the supply side, natural gas rigs are rapidly moving from dry gas production in the Marcellus shales and other basins to wet gas and oil-rich shales.
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You got it, stop unconventional productions of natural gas from shales because unconventional natural gas from shales is the single most prevalent present source of methane emissions.
Last month the Los Angeles Times dubbed it "outrageous and randy" while the Washington Post's Tom Shales said Norton was "one of the bubbliest imports from the UK since Tynant water".
Speaking at the CERAWeek energy conference, Tillerson said that by 2040 Exxon expects volumes of natural gas to increase 60%, with recovery from unconventional sources like shales to grow by 400%.
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Exxon in the last quarter bought known shale assets in the Bakken play of North Dakota (200, 000 acres from Denbury) and about 650, 000 acres of shales in Canada (the Celtic Exploration deal).
Although widespread pollution of groundwater by fracking seems unlikely (shales that hold gas typically lie far deeper than groundwater supplies), such risks have raised a great deal of environmental concern about the technology.
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The immediate land leasing rush is over, and producers are already responding to market prices and moving rigs south and west to the more lucrative oil shales in Louisiana, Texas, Ohio, and elsewhere.
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In South Africa, which may have the largest shale-gas reserves on the continent, the shales in the Karoo basin have attracted the attention of Shell, which is increasingly billing itself as a gas-focused company.
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Woodada drilled ahead to become a successful conventional gas producer, while those shales of 33 years ago are only now starting to yield the gas which has been trapped and ignored for millions of years.
In October, it released its first estimates for the neighboring (in Ohio) or underlying (in Pennsylvania and New York) Utica shales of 38 TCF, plus 940 million barrels of unconventional oil resources and 208 million barrels of unconventional liquids.
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According to a 2009 Congressional Research Service report on unconventional gas shales, directional drilling (sometimes referred to as horizontal drilling) allows for access beyond the area below the drill to both oil and gas reserves in locations inaccessible to conventional drilling, including to difficult to reach offshore reserves.
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