Wall cake | Article about wall cake by The Free Dictionary
wall cake[′wȯl ¦kāk]
In drilling operations, the solid deposit along the hole wall due to filtration of the fluid part of the mud into the formation.
References in periodicals archive
Multi-purpose drilling gel provides strong wall cake
and formation control for all drilling types.
We add PAC polymers to aid the bentonite fluid to lay down an impermeable wall cake
when drilling sands.
Provides smooth wall cake
for lubricity and lattice structure for sealing of unconsolidated sandstone formations, improved yield and gel strengths in fresh with high hardness values and improved solids separation in side of hydrocylones due to "shear thinning" characteristics.