International School of Hydrocarbon Measurement
ISHM is believed to be the oldest petroleum industry school in the world devoted to fluid measurement and control. The School dates from 1924 when the first three-day session was organized as the Southwestern Gas Measurement Short Course (SGMSC). Mr. W.H. Crutcher, then Chairman of the Oklahoma Utilities Association, proposed having the school establish a better understanding of the problems of gas measurement and promote improved measurement practices in this area.
