This paper describes the formulation and basis of the microcomputer program, HYDRATE.BAS, which calculates hydrate formation conditions of natural gases. The program is based on the Carson and Katz method for hydrate predictions. It is designed for pressures in the range 100 to 2000 psia (700 to 14000 kPa), and temperatures between 32 and 80 °F (0 and 26 °C). Comparisons with published experimental data indicate average pressure deviations of +/− 30 psi (200 kPa) and temperature deviations of +/− 2 °F (1 °C). The program is written in BASIC, and will be available for Osborne 1*, IBM PC** and compatibles.

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