Tahir Posted December 3, 2012 Share Posted December 3, 2012 (edited) Hello, I have a question that I have been searching but haven't been able to find a comprehensive and scientifically accurate answer. I hope the experts on this forum can help me Q. Is Natural Gas included in Petroleum Products. If not how we can differentiate on scientific basis ? If possible please provide references. Thanks Edited December 3, 2012 by Tahir Link to comment Share on other sites More sharing options...
Enthalpy Posted December 4, 2012 Share Posted December 4, 2012 Petroleum reservoirs are always topped by natural gas. Enough gas is desired to let the oil erupt from the drilling without a pump. The vastly main constituent of natural gas, methane, is little soluble in petroleum, so this one is easy to distinguish. Ethane is essentially present in gas as well. The transition is at C3 and C4 which are present in both gas and oil and are commercially extracted from both (propane, butane, LPG and other names). C5 and up are essentially oil constituents. So: the limit is a bit fuzzy. We call gas what is harvested gaseous and oil the liquid, but a fraction is common to both. 1 Link to comment Share on other sites More sharing options...
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