The “PIK-API RP 61” installation for measuring proppant pack conductivity
The subsystem determining gas flow turbulence factor for the “PIK-API RP 61” installation measuring proppant packaging conductivity
Proppant pack conduction cell (for PIK-API)
Device for determining proppant bulk density
Device for determining proppant crush resistance
The “PIK-PN” system for studying proppant package strength