WALLPLUG[Oct. 24, 2008 20:15:04]
Specification
WALLPLUG is a sized, granular nutshell material used to control loss of circulation. WALLPLUG is available in fine, medium and coarse grade-each carefully sized to provide maximum sealing effectiveness.
WALLPLUG is not deformable, so plugging or bridging effectiveness is not adversely effected by hydrostatic pressure.
WALLPLUG will be remove with the cuttings by the shale shakers are in use. WALLPLUG can be maintained in a circulating system by passing the shale shakers.