文档介绍：HydrogenSulphide(H2S)AwarenessDANGERHYDROGENSULPHIDEGAS(H2S)POISONOUSGASPOTENTIALLYHARMFULORFATALIFINHALEDPERSONALALARMandBREATHINGAPPARATUSSetsRequiredOilandGasFieldwithH2SHazardTrainingContent!!WhatisH2SSourcesofH2SattheOilandGasFieldPropertiesofH2SHazardsofH2S,SymptomsofExposureMonitoringandDetectionsystemRespiratoryProtectionH2SEmergencies….Youraction,….WindDirectionandHowtoescapefromhazardszoneWrittenTest…..20questions!CourseObjectivesAttheendofthiscourse,youwillbeableto:,monAreasofH2SDrillingOperationWellTestingProcessplantPropertiesofH2S!!!Deadly,ExtremelyTOXICgasOdourofrotteneggs,……BUTonlyinLOWConcentrationsColorlessHeavierthanAir,…….tendtosettleinlowlayingareasReadilydispersedbywindmovementoraircurrentsHighlycorrosivetocertainmetalsHighlySolubleinWater,OilandCondensateHighlyFlammableandformsexplosivemixtureswithairAutoignitionTemperatureis…...260CExplosiveLimitsare:LEL………4,3%UEL……..46%REMEMBERDoNOTdependonthesenseofsmelltodetectH2S*Flammable/ExplosiveRange (LELandUEL)04,3%46%75100%PercentageofGasinAirmixtureFireorExplosionLELUELMixtureisTooRichTooWeak%LEL0100PPM!!!Percentage% PPM. Mg/m3100% 1,000,,420,000mg/m31% 10,000ppm. 14,200mg/% 100ppm. 142mg/% 1ppm. 1,4mg/m310ppm=0,001%PPM Onepartpermillion(ppm)wouldbe oneteaspoonfulinapproximately25drumsHowdoesH2Saffectsindividuals?LevelofConcentrationsDurationFrequencyIndividualsensitivityTLV-5ppmSTEL-10ppmItsPossibleforaFieldtoHaveLevelsof40,000ppm-4%orHigher!!ToxicEffectsofH2S!!PPMTimeofExposure0–---5(TLV=5ppm)SmellofrotteneggsDetectableTLV-(STEL)SmellofrotteneggsSTEL-10ppm-,Respiratoryirritation50-100Coughing,slightirritationtotheeyes,LossofsmellDisturbedrespiration,Painineyes,drowsinessThroatandeyeirritation150-250Lossofsmellandeyeirritation