1Given the following gas composition (Methane: 93.9275%, Ethane: 2.8561%, Propane: 1.4371%, i-butane: 0.4142%, n-butane: 0.6248%, Hydrogen Sulfide: 0.4303%, Carbondioxide: 0.31%), what is the primary application of the Katz Gravity Curve Equation in the context of natural gas processing?
2Which of the following factors are critical when calculating hydrate formation temperature using vapor-solid equilibrium constants?
3If a natural gas pipeline is operating at 900 psia and the calculated hydrate formation temperature using the Katz Gravity Method is significantly higher than the system temperature, what is the implication?
4What is the purpose of introducing glycol into a natural gas stream to prevent hydrate formation?
5Compare and contrast the Darcy-Weisbach equation with the Panhandle equation in terms of their typical applications in natural gas pipeline design.
6In pipeline network design, which of the following are typically considered 'trunk lines'?
7For a 130 km pipeline with a total throughput of 250 mm scf/day, operating at 75 barg and requiring a pressure differential of 2000 psia, which gas flow equation would be most appropriate to determine the pipe diameter, considering Tavg = 90 °F, γ = 0.67, and Zavg = 0.89?
8Justify the choice of the Weymouth equation for determining the pipe diameter in the scenario described in the previous question.
9When a trunk line is 'looped' with an additional parallel pipe, what is the primary objective?
10What specific information would be required to apply Campbell's equation for determining the length of a looped pipeline?
