well·​head | \ ˈwel-ˌhed How to pronounce wellhead (audio) \

Definition of wellhead

1 : the source of a spring or a stream
2 : principal source : fountainhead
3 : the top of or a structure built over a well

Examples of wellhead in a Sentence

Recent Examples on the Web

The wellheads are more than 400 feet (120 meters) underwater and buried under 60 to 100 feet (20 to 30 meters) of mud. Jeff Amy, The Seattle Times, "Federal lawyers: Gulf oil leak spills much more than thought," 17 Sep. 2018 To break down the oil faster, 700,000 gallons of a chemical dispersant were injected right above the wellhead. Joanna Klein, New York Times, "This Coral Must Die," 25 June 2018 Deep-sea coral's exposure was especially high because the broken wellhead was at the Gulf's bottom, at a depth of about 5,000 feet. Tristan Baurick, NOLA.com, "Oil spills are bad, but dispersants are worse for deep-sea coral," 11 Jan. 2018 Two geothermal wellheads at the plant were covered by lava on May 28. Fox News, "The Latest: Man goes past checkpoint, crashes into hard lava," 1 June 2018 The riser is a pipeline that extends from the wellhead to the surface oil production platform. Ryan Maye Handy, Houston Chronicle, "Tech advances during 50 years of OTC," 2 May 2018 The case before the court centered on an invention for protecting oil wellhead equipment during the hydraulic fracturing process. Brent Kendall, WSJ, "Supreme Court Upholds New Process for Challenging Patents," 24 Apr. 2018 In 2012, the group spearheaded a collaboration with industry and academic scientists to better quantify methane emissions and identify leaky infrastructure, from the wellhead all the way to the urban distribution system. Jeff Tollefson, Scientific American, "U.S. Environmental Group Wins Millions to Develop Methane-Monitoring Satellite," 17 Apr. 2018 In the past, producers could flare the gas, or burn it at the wellhead, but that practice is set to fallout of favor due to pressure from state regulators and environmental groups. Sarah Mcfarlane And Bradley Olson, WSJ, "Exxon, Qatar in Talks on U.S. Shale Deal," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wellhead.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of wellhead

14th century, in the meaning defined at sense 1

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Time Traveler for wellhead

The first known use of wellhead was in the 14th century

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something desired as essential

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