Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
shale . - verb Third-person singular simple present indicative form of
shale .
Etymologies
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Examples
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Above the Stony Formation shales is another formation of Non-Calcareous shales.
worlds in a grain of sand Andrew 2004
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Above the Stony Formation shales is another formation of Non-Calcareous shales.
Archive 2004-03-01 Andrew 2004
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The North American energy boom, which is centered on extracting oil and natural gas from deeply buried rock formations, called shales, is demanding much more equipment and personnel than it traditionally has, Mr. Gould said.
Schlumberger Profit Climbs 65% Ryan Dezember 2011
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Energy companies have uncovered a natural-gas bounty by fracturing hard-to-crack rock formations called shales.
Regulators Back 'Fracking' in New York Devlin Barrett 2011
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At the same time, smaller U.S. companies developed new techniques to extract oil and gas from dense rock formations known as shales, opening up vast new fields from North Dakota to Pennsylvania.
Exxon Turns Home as Profit Surges Ben Casselman 2011
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Chesapeake and other big U.S. energy companies focus on producing oil and gas from dense rock formations called shales, which hold huge volumes of hydrocarbons but are expensive to tap.
SandRidge to Acquire Arena Resources Jeffrey McCracken 2010
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Chesapeake and other big U.S. energy companies focus on producing oil and gas from dense rock formations called shales, which hold huge volumes of hydrocarbons but are expensive to tap.
SandRidge to Acquire Arena Resources Jeffrey McCracken 2010
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Chesapeake and other big U.S. energy companies focus on producing oil and gas from dense rock formations called shales, which hold huge volumes of hydrocarbons but are expensive to tap.
SandRidge to Acquire Arena Resources Jeffrey McCracken 2010
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Meanwhile, gas output from onshore rock formations known as shales has swelled as producers continue to boost drilling activity, injecting more of the fuel into underground storage facilities and pressuring gas priceslower.
Natural Gas Tumbles on Storage Data, Weather Christine Buurma 2010
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Meanwhile, gas output from onshore rock formations known as shales has swelled as producers continue to boost drilling activity, injecting more of the fuel into underground storage facilities and pressuring gas priceslower.
Natural Gas Tumbles on Storage Data, Weather Christine Buurma 2010
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