
137
D
Downhole Separation
upfold of the layers of rock in which the beds dip in all directions more or
less equally from a common point; any deformation characterized by a cir-
cular local uplift.
Domestic: Residential living facilities. A domestic area will be predomi-
nantly residential in occupancy and is sometimes referred to as a “bedroom
area” or “bedroom community.”
Domestic Production: Production originating inside a specic country of
reference.
Doodlebug: Seismograph.
Dope: Pipe thread dope used to lubricate and seal the threaded connection.
DOT (Government): Department of Transportation. A US government
agency.
Double