Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The source of a well or stream.
- noun A principal source; a fountainhead.
- noun The structure built over a well.
from The Century Dictionary.
- noun The source of a natural well or spring.
from the GNU version of the Collaborative International Dictionary of English.
- noun A source, spring, or fountain.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The surface
structure of anoil well etc - noun The
source ofwater for astream orwell
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a structure built over a well
- noun the source of water for a well
Etymologies
Sorry, no etymologies found.
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Examples
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The worst case scenario, if the wellhead is lost, could be 6 million barrels a day, or 4 Exxon Valdezes per week.
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He suspects a part of the pipe installation known as the wellhead, which sits on the seafloor, may have failed, releasing large amount of gas, he said.
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If they are indeed communicated, pressure will build on the wellhead, which is exactly what's happening.
Robert L. Cavnar: Adm. Allen Confused -- So, Now, Everybody Else Is, Too 2010
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Currently the major op at the wellhead is a dome where some of the oil is being captured and pumped to vessels at the surface the rest is overflowing the containment vessel.
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If they are indeed communicated, pressure will build on the wellhead, which is exactly what's happening.
Robert L. Cavnar: Adm. Allen Confused -- So, Now, Everybody Else Is, Too 2010
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The wellhead is the last component to be constructed.
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The typical well in the Iron Idle program is finished with a wellhead, which is the top of the metal lining, and perhaps a device called a tree, a faucet-like rig equipped with valves to open and shut the flow of hydrocarbons during production.
The Seattle Times 2011
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Booming and skimming operations will be affected by winds and waves, even though the wellhead is a good 400 miles from the storm center, now about 150 miles southeast of
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The removal of the cap means that the wellhead, which is 5,000 feet below the surface, was pouring oil unabated into the Gulf.
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The casing is a pipe that runs through the wellbore from the reservoir 13,000 feet below the seafloor to the wellhead, which is on the seafloor under 5,000 feet of water.
chron.com Chronicle 2010
frogapplause commented on the word wellhead
Boy Electrocuted Near Water Hydrant
Electrician Says Water Wellhead Was Energized
link
June 26, 2011