General Industry Term

DEEP DIVE
not applicable
DEG
Diethylene Glycol
DEGDN
Diethylene Glycol Dinitrite
DEN
Den Watts
DEO
diesel engine oil
DESC
Design and Evaluation of Services for Customer
DET
Discipline Engineering Team
DF1
Decarbonised Fuel 1
DFC
Due for Cancellation
DFCV
Downhole flow control valve
DFD
Ducting Flow Diagram
DFF
Delivery For Fee
DFF
Design Fatigue Factor
DFIC
Dual Flow Interface Cartridge
DFID
Design Fabrication Installation Dossier
DFIT
Diagnostic Fracture Injection Test
DFN
Daily flow notification
DFO
Document For Operation
DFR
Design for Reliability
DFS
Days From Spud
DFS
Detailed Feasibility Study
DFT
Dry Film Thickness
DFU
daten fern übertragung
DFU
Design for Unattended Operation
DFVL
Depth Fluid Velocity Level
DG
Dangerous Goods
DG
Dummy (Perforating) Gun
DGA
di-glycol amine
DGA
Downhole Gauge Assembly