20 Terms
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Natural gas
Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, with up to 20 % of other hydrocarbons as well as impurities in varying amounts such as carbon dioxide. Natural gas is widely used as an important energy source in many applications including heating buildings, generating electricity, providing heat and power to industry, as fuel for vehicles and as a chemical feedstock in the manufacture of products such as plastics and other commercially important organic chemicals.
Industry: Energy
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Natural gas
CNOOC
Energy; Natural gas
China's largest producer of offshore crude oil and natural gas, and one of the largest independent oil and gas exploration and production companies in the world. The group will purchase a 33.3% ...
CNOOC
Energy; Natural gas
China's largest producer of offshore crude oil and natural gas, and one of the largest independent oil and gas exploration and production companies in the world. The group will purchase a 33.3% ...
arithmetic average roughness height (Ra)
Energy; Natural gas
The measure of the roughness of a surface expressed in microinches. The higher the number, the rougher the surface. Used to designate the desired surface finish for end flange raised faces.
austenitic stainless steel
Energy; Natural gas
The common stainless steel, where the primary microstructure is austenite and the composition primarily iron but also includes both chromium and nickel. The steels are designated as 300 series such ...
block-and-bleed
Energy; Natural gas
An operation done with a double seated valve having a between-seats drain. When the valve is closed (blocked) the drain is opened, allowing the fluid trapped between the seats to drain (bleed) away.
bellows seal valve
Energy; Natural gas
A gate or globe valve that uses a cylindrical metal bellows to hermetically seal the valve against stem leakage.
