NorCraft develops simple, easy-to-use engineering programs for the Oil and Gas industry. The following programs are offered: Program AGA-3 calculates size, flowrate or pressure drops for gas and liquid flow orifice meters based on ANSI/API-2530--1991 (AGA Report No. 3). Program ISO-5167 calculates size, flowrate or pressure drops for gas and liquid flow orifice meters based on International Standard ISO-5167-2: 2003. Program WatGas performs Water-Gas equilibrium calculations.