A new equation for accurate approximation of the Moody friction factor in the general gas-flow equation better approximates a wide range of Reynolds numbers than previously published equations. Other, ...

Savvy investors look at a company's financial health before buying its stock. Some investors monitor a company's free cash flow and review its cash flow statements to gauge how well it manages its ...

Oil field operators can use several practical equations for calculating flow rates of natural gas through venturi gas-lift valves. For critical flow, this analysis derived such equations from a ...