18 July 2017

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 […]
18 July 2017

Fingerboard

A rack that supports the tops of the stands of pipe being stacked in the derrick or mast. It has several steel finger-like projections that form […]
18 July 2017

Fish

An object that is left in the wellbore during drilling or workover operations and that must be recovered before work can proceed. It can be anything […]
18 July 2017

Fishing

Operations on the rig for the purpose of retrieving from the wellbore sections of pipe, casing, or other items which may have become stuck or inadvertently […]