WAmplitude versus offset
WAsphalt volcano
WBiomarker (petroleum)
WBlowout (well drilling)
WCanadian Society of Petroleum Geologists
WChalk Group
WCoal Oil Point seep field
WDrill cuttings
WDrill string
WDrilling rig
WFlat spot (reflection seismology)
WGeologic modelling
WHydrocarbon exploration
WKnott's equations
WLouann Salt
WMardin High
WMud logging
WOil sands
WOil shale geology
WPetroleum exploration in the Arctic
WPetroleum reservoir
WPetroleum seep
WPetroleum trap
WPetrology
WReflection seismology
WReservoir modeling
WSubsea production system
WTar pit
WTarball (oil)
WTrue vertical depth
WZoeppritz equations