Solid material, typically sand, treated sand or man-made ceramic materials, designed to keep an induced hydraulic fracture open.
See Also
Petroleum Industry / Upstream / Well / Well-Reservoir Contact (WRC) / Hydraulic fracture
[ Production / Subsurface Production / Well & Reservoir Management (WRM) / Well stimulation / Hydraulic Fracturing ]
[ Fracture ] [ Infinite conductivity fracture ] [ Finite conductivity fracture ]