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Vetco was a British oilfield service company that was established in July 2004 and operated through its subsidiaries Vetco Gray and Vetco Aibel AS. Vetco was the result of a consortium consisting of the private equity firms Candover, 3i and JP Morgan Partners, which took over ABB's oil and gas division, ABB Offshore Systems.
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ABB and Alstom merged their power groups in 1999 creating a 50/50 joint venture, ABB-Alstom Power. In 2000, Alstom bought out ABB. In 2000, Alstom bought out ABB. In 2001, the nuclear steam supply system vendor portion of the company, operating as Combustion Engineering, was bought by Westinghouse Electric Co., a then subsidiary of British ...
API 6A, 20th Edition, October 2010; Specification for Wellhead and Christmas Tree Equipment; ISO 10423:2009 Wellhead and Christmas Tree Equipment; In general well heads are five nominal ratings of wellheads: 2, 3, 5, 10 and 15 (×1000) psi working pressure. They have an operating temperature range of −50 to +250 degrees Fahrenheit. They are ...
ABB Group [6] is a Swedish-Swiss [7] [8] [9] multinational electrical engineering corporation. Incorporated in Switzerland as ABB Ltd., and headquartered in Zurich, [1] it is dual-listed on the SIX Swiss Exchange in Zurich and the Nasdaq Nordic exchange in Stockholm, Sweden, in addition to OTC Markets Group's pink sheets in the United States. [10]
Well intervention vessel Skandi Constructor. A well intervention, or well work, is any operation carried out on an oil or gas well during, or at the end of, its productive life that alters the state of the well or well geometry, provides well diagnostics, or manages the production of the well.
This movement compresses a large spring and pushes the flapper downwards to open the valve. When hydraulic pressure is removed, the spring pushes the sleeve back up and causes the flapper to shut. In this way, it is failsafe and will isolate the wellbore in the event of a loss of the wellhead. The full designation for a typical valve is 'tubing ...
BOP stacks frequently utilize both types, typically with at least one annular BOP stacked above several ram BOPs. Blowout preventers are used on land wells, offshore rigs, and subsea wells. Land and subsea BOPs are secured to the top of the wellbore, known as the wellhead. BOPs on offshore rigs are mounted below the rig deck.