I search for the following papers

1.Fairhurst, CP, “Sand Transport in the South East Forties Pipe Line”, BHRA,1983.

2.Smith, M “A Model for Predicting Solids Transport in Near Horizontal Multi-phase Oil
and Gas Pipe Lines”, XFE report 8/2/1993.

3.Wasp, Kenny and Gandhi, “Solid-Liquid Flow Slurry Pipe Line Transportation”, Gulf
Publishing Company, Clausthal, Germany, 1979.