EPA’s Underground Injection Control Program：EPA的地下喷射控制程序

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1、EPA’sUndergroundInjectionControlProgramBrineDisposalWellRegulationinPennsylvaniaStephenPlatt,UICNationalExpertUICProgramHistoryRegulationsauthorizedundertheSafeDrinkingWaterActNationalconcernsregardingunregulatedinjectionProtectsUSDWsfromalltypesofinjectionUICprogramre

2、gulationspromulgatedinJuly,1980EPAbeginsdirectimplementationofthePennsylvaniaprogramJune,1985UICWellClassificationClassI–IndustrialandMunicipal(includinghazardouswaste)ClassII–OilandGas(includingenhancedrecoveryandbrinedisposal)ClassIII–Miningrelated(e.g.saltsolutionmi

3、ning)ClassIV–Shallowhazardouswasteinjection,bannedClassV–AllotherwellsEPAUICPermittingMandatetoprotectundergroundsourcesofdrinkingwater(USDWs)USDWSdefinedashavinglessthan10,000mg/lTotalDissolvedSolidsCurrentandfutureuseprotectedPermittingisperformancebasedHydraulicfrac

4、turingnotregulatedunderUICProgramEPAUICPermitting(cont.)MajorPermittingrequirements:DefiningAreaofReview/ZoneofEndangeringInfluenceInjectionwellconstruction(Depthofsurfacecasingcritical)Welloperation(MaximumInjectionPressureandInjectionRatescritical)Mechanicalintegrity

5、testingPluggingandabandonmentFinancialResponsibilityAreaofReviewPermitIssuanceProcessNoapplicationfeeOnestopshopping:Permitissuedforconstruction,operation,monitoringandreportingProcessinggenerallytakesbetween3-6monthsPublicnotificationandopportunityforpublichearingrequ

6、ired.BrineDisposalinPennsylvaniaFacilityNameCountyInjectionFormationInjectionPressureInjectionVolume(Bbls/M)ColumbiaGasBeaverHuntersville/Oriskany130021,000EXCO-NorthCoastClearfieldOriskany32404260CNXGasGreeneMineVoid0150,000RangeResources*ErieGatesburg157020,000XTOEne

7、rgy#IndianaBalltown19303600CottonwoodSomersetOriskany325027,000EXCO-NorthCoastClearfieldOriskany14504200DominionSomersetHuntersville/Oriskany321830,000*Onlycommercialfacility#RecentlyPluggedDisposalHorizonsWellstypicallyconvertedfromunproductiveordepletedgasproductionw

8、ellsMoreresearchonotherpotentialsalinedisposalzonesneededMostreservoirdataobtainedfrompastdrillinghistoryorinjectivit