1. Prediction of pressure gradients for multiphase flow in tubing;Fancher;Soc. Pet. Engng J.,1966
2. Holdup and pressure drop with gas-liquid flow in a vertical pipe;Hughmark,1961
3. SPE 32nd Annual Fall Meeting;Yocum,1959
4. Vertical flow of gas and liquid mixtures in wells;Duns,1963
5. Two-phase slug flow;Griffith;J. Heat Transfer,1961