D
- D&C – drilling and completions
- DAC – dipole acoustic log
- DARCI – Darci log
- DAT – wellhead housing drill-ahead tool
- DAZD – dip and azimuth display
- DBB – double block and bleed
- DC – drill centre
- DC – drill collar(s)
- DCAL – dual caliper log
- DD – directional driller or directional drilling
- DDBHC – DDBHC waveform log
- DDET – depth determination log
- DDM – Derrick drilling machine (a.k.a. top drive)
- DDNL – dual det. neutron life log
- DDPT – drill data plot log
- DECC – Department for Energy and Climate Change (UK)
- DECT – decay time
- DEFSU – definitive survey report
- DELTA – delta-T log
- DEN – density log
- DEPAN – deposit analysis report
- DEPC – depth control log
- DESFL – deep induction SFL log
- DEV – development well, Lahee classification
- DEVLG – deviation log
- DEXP – D-exponent log
- DF – Derrick floor
- DFR – drilling factual report
- DGP – dynamic geohistory plot (3D technique)
- DH – drilling history
- DHC – depositional history curve
- DHSV – downhole safety valve
- DHPTT – downhole pressure/temperature transducer
- DIBHC – DIS BHC log
- DIEGR – dielectric gamma ray log
- DIF – drill in fluids
- DIL – dual-induction log
- DILB – dual-induction BHC log
- DILL – dual-induction laterolog
- DILLS – dual-induction log-LSS
- DILSL – dual-induction log-SLS
- DIM – directional inertia mechanism
- DINT – dip interpretation
- DIP – dipmeter log
- DIPAR – dipole acoustic report
- DIPBH – dipmeter borehole log
- DIPFT – dipmeter fast log
- DIPLP – dip lithology pressure log
- DIPRE – dipmeter report
- DIPRM – dip removal log
- DIPSA – dipmeter soda log
- DIPSK – dipmeter stick log
- DIRS – directional survey log
- DIRSU – directional survey report
- DIS – DIS-SLS log
- DISFL – DISFL DBHC gamma ray log
- DISO – dual induction sonic log
- DL – development license (United Kingdom), a type of onshore license issued before 1996
- DLIST – dip-list log
- DLL – dual laterolog
- DLS – dog-leg severity (directional drilling)
- DMA – dead-man anchor
- DNHO – downhole logging
- DOA – delegation of authority
- DOE – Department of Energy, United States
- DOWRE – downhole report
- DP – drill pipe
- DP – dynamic positioning
- DPDV – dynamically positioned drilling vessel
- DPL – dual propagation log
- DPLD – differential pressure levitated device (or vehicle)
- DPRES – dual propagation resistivity log
- DPT – deeper pool test, Lahee classification
- DQLC – dipmeter quality control log
- DR – dummy-run log
- DR – drilling report
- DRI – drift log
- DRLCT – drilling chart
- DRLOG – drilling log
- DRLPR – drilling proposal/progress report
- DRPG – drilling program report
- DRPRS – drilling pressure
- DRREP – drilling report
- DRYRE – drying report
- DS – Deviation survey, (also directional system)
- DSCAN – DSC analysis report
- DSI – dipole shear imager
- DSPT – cross-plots log
- DST – drill-stem test
- DSTG – DSTG log
- DSTL – drill-stem test log
- DSTND – dual-space thermal neutron density log
- DSTPB – drill-stem test true vertical depth playback log
- DSTR – drill-stem test report
- DSTRE – drill-stem test report
- DSTSM – drill-stem test summary report
- DSTW – drill-stem test job report/works
- DSV – diving support vessel or drilling supervisor
- DTI – Department of Trade and Industry (UK) (obsolete; superseded by dBERR, which was then superseded by DECC)
- DTPB – CNT true vertical-depth playback log
- DTT – depth to time
- DWOP – drilling well on paper (a theoretical exercise conducted involving the service-provider managers)
- DWQL – dual-water quicklook log
- DWSS – dig-well seismic surface log
- DXC – DXC pressure pilot report
Read more about this topic: List Of Oil Field Acronyms