Related Oil & Gas Terms

• Filter cake

  1. compacted solid or semisolid material remaining on a filter after pressure filtration of mud with a standard filter press. thickness of the cake is reported in thirty-seconds of an inch or in millimeters. 2. the layer of concentrated solids from the drilling mud or cement slurry that forms on the walls of the borehole...

• Filter cake thickness

  A measurement of the solids deposited on filter paper in thirty-seconds of an inch during standard 30-min api filter test. see cake thickness. in certain areas the filter cake thickness is a measurement of the solids deposited on filter paper for 7-1/2-min....

• Wall cake

  Also called filter cake or mud cake. see filter cake....

• Cake thickness

  The thickness of drilling mud filter cake...

• Differential sticking

  A condition in which the drill stem becomes stuck against the wall of the wellbore because part of the drill stem (usually the drill collars) has become embedded in the filter cake. necessary conditions for differential-pressure sticking, or wall sticking, are a permeable formation and a pressure differential across a nearly impermeable filter cake and...