Petroleum Calculation Series: Gas Tanker Principal Products
Nov01

Petroleum Calculation Series: Gas Tanker Principal Products

The hydrocarbon gases methane, ethane, propane and butane may be regarded principally as fuels, the LPGs are also important as feedstock in the production of the chemical gases. Liquefied Natural Gas (LNG) Natural gas is transported either by pipeline as a gas or by sea in its liquefied form as LNG. Natural gas comes from underground deposits. Its composition varies according to where it is found but methane is by far the predominant...

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Petroleum Calculation Series: Gas Tanker Terms
Sep08

Petroleum Calculation Series: Gas Tanker Terms

Absolute Pressure The absolute pressure is the total of the gauge pressure plus the pressure of the surrounding atmosphere. Absolute Temperature The fundamental temperature scale with its zero at absolute zero and expressed in degrees Kelvin. One degree Kelvin is equal to one degree Celsius or one degree Centigrade. For the purpose of practical calculations in order to convert Celsius to Kelvin add 273. It is normal for the degree...

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