Tabiiy gaz va boshqa gazlarni quyish

Gazni in'ektsiya qilish - bu kondensat gaz maydoniga litsiklik gazni quyish yoki N.2, CO2, Orothergasesduringtertiaryrecovery.Nomatterwhatgasisinjected, thegasinjectionpressureishighduetothelowdensityandgascolumnpressure.Becausethecasingwillworkoveralongperiodunderhighpressure, casingperforationcompletionshouldonlybeselected.Thecasingstrengthandgastightnessofthecasingthreadshouldalsobeconsidered.Thegaschannelinginhibitorshouldbeaddedinthecementduringthecementingjobofthegasinjectionwellandthecementslurryshouldbereturnedtothesurface.Thepermanentpackerissetabovethetopofthereservoirinordertoprotectthecasing.Tubingstringwithsnubbingdownholetoolsisrequired.Thusthetubingstringcanbepulleduptoaplaceabovethereservoirundersnubbingconditionsforwellkillinginordertopreventkillingfluidfromdamagingthereservoir.