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  2. Natural gas prices - Wikipedia

    en.wikipedia.org/wiki/Natural_gas_prices

    Price per million BTU of oil and natural gas in the US, 1998-2015. Natural gas prices, as with other commodity prices, are mainly driven by supply and demand fundamentals. However, natural gas prices may also be linked to the price of crude oil and petroleum products, especially in continental Europe.

  3. Maximum allowable operating pressure - Wikipedia

    en.wikipedia.org/wiki/Maximum_allowable...

    Depending on the design code that the pressurized item is designed, an over-pressure allowance can be used when sizing the relief valve. This is +10% for PD 5500, and ASME Section VIII div 1 & 2 (with an additional +10% allowance in ASME Section VIII for a fire relief case). ASME has different criteria for steam boilers.

  4. Pressure vessel - Wikipedia

    en.wikipedia.org/wiki/Pressure_vessel

    The ASME definition of a pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. [2]The Australian and New Zealand standard "AS/NZS 1200:2000 Pressure equipment" defines a pressure vessel as a vessel subject to internal or external pressure, including connected components and accessories up to the connection to external ...

  5. National Balancing Point (UK) - Wikipedia

    en.wikipedia.org/wiki/National_Balancing_Point_(UK)

    The National Balancing Point, commonly referred to as the NBP, is a virtual trading location for the sale and purchase and exchange of natural gas in the United Kingdom. [1] It is the pricing and delivery point for the ICE Futures Europe (IntercontinentalExchange) natural gas futures contract.

  6. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    Bcf – billion cubic feet (of natural gas) Bcf/d – billion cubic feet per day (of natural gas) Bcfe – billion cubic feet (of natural gas equivalent) BD – bursting disc; BDF – below derrick floor; BDL – bit data log; BDV – blowdown valve; BGL – borehole geometry log; BGL – below ground level (used as a datum for depths in a well)

  7. Pilot-operated relief valve - Wikipedia

    en.wikipedia.org/wiki/Pilot-operated_relief_valve

    Smaller package on the larger pipe sizes. More options for control. Seals more tightly as the system pressure approaches but does not reach set pressure. Control pilot can be mounted remotely. Some designs allow for changes in orifice size within the main valve. Can be used in engines. Higher Operating-to-Set Pressure ratio.

  8. Natural gas has never been this upside-down as negative ... - AOL

    www.aol.com/finance/natural-gas-never-upside...

    And in Europe, natural gas prices jumped to 2024 highs this past week after Ukrainian troops crossed into Russia and claimed the capture of a key gas transit hub.

  9. Bloomberg Commodity Index - Wikipedia

    en.wikipedia.org/wiki/Bloomberg_Commodity_Index

    The Bloomberg Commodity Index (BCOM) is a broadly diversified commodity price index distributed by Bloomberg Index Services Limited.The index was originally launched in 1998 as the Dow Jones-AIG Commodity Index (DJ-AIGCI) and renamed to Dow Jones-UBS Commodity Index (DJ-UBSCI) in 2009, when UBS acquired the index from AIG.

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