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Considerations for Treating Water Associated With Shale Gas Development $$$$ (2010)
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Transcript of Considerations for Treating Water Associated With Shale Gas Development $$$$ (2010)
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8/13/2019 Considerations for Treating Water Associated With Shale Gas Development $$$$ (2010)
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CCONSIDERATIONSONSIDERATIONS FORFOR TTREATINGREATINGWWATERATER AASSOCIATEDSSOCIATED WITHWITH
SSHALEHALE GGASAS DDEVELOPMENEVELOPMENTTGROUNDGROUNDWATERWATER PROTECTION COUNCILPROTECTION COUNCIL
Water/Energy Sustainability Symposium
2010 Annual Forum
Pittsburgh, Pennsylvania
September 26-29, 2010
David Alleman, ALL ConsultingDavid Alleman, ALL Consulting
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Funding for this project wasprovided by DOEs NationalEnergy Technology Laboratory
ALL Consultin is the rimarresearch organization with theGround Water Protection Councilserving as a research partner
Other cooperators include stateagencies, treatment companies,and industr
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NETL: Pro ram
designed to promotedomestic natural gas
providing technologies
to overcome the
associated withunconventional
.
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SSHALEHALE GGASAS FFOCUSOCUS AAREASREAS
Barnett
Fayettevi e
Haynesville
Marcellus
Woodford
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HHYDRAULICYDRAULIC FFRACTURINGRACTURING Horizontal wells completed in shale use3 to 5 Million gallons of water to
High Volume HF is typically done in 6-18 consecutive stages
a er s o a ne rom var es sourcesand delivered by truck or pipeline
On site storage is in
impoundments
15 to 50 % (or more)
is recovered
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WWATERATER CCONSIDERATIONSONSIDERATIONSWater
Sourcing
Well
Completions
Flowback
Water
Well
Drilling
Produced
Water
Production
Operations
Pre-completion
Transport
Storage
Post-completion Stora e
Transportation
Treatment for disposition
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PREPRECOMPLETIONCOMPLETION
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WWATERATER SSOURCINGOURCINGOptions available to meet water needs for drilling
Surface Water
Groundwater
Total Water in Gallons to Drill and FractureTotal Water in Gallons to Drill and Fracture
Municipal Water
Recycled Produced 2,500,0003,000,000
3,500,000
4,000,000
DrillingWater
Collected Water
Private Water 500,0001,000,000
1,500,000
2,000,000
urc ases 0 Barnett Fayetteville Haynesville Marcellus*Drillingperformedwithanairmist/waterbased/oilbasedmudfordeephorizontalwellcompletions.
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Power
GenerationShaleGas
BarnettShaleWaterUsesBarnettShaleWaterUses Withdrawal:
Access
Industrialand
Mining
4.50%
3.70% 6.30% 2.30% 0.40% Timing
Permitting regulationsare complex and changing
Other uses
PublicSupply
82.70% Transport:
Cost Potential Road and
community impacts
torage: Cost Surface disturbance Permitting
umu at ve mpacts
ranges from 1.95 percent in Somervall County to85 percent in Cooke County
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COMPLETIONCOMPLETION
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HF FHF FLUIDLUID CCOMPOSITIONOMPOSITION Fracture fluid
Regulatory agencies are pressing for disclosureRegulatory agencies are pressing for disclosure(e.g. AR, NY, PA, TX, WY, and others)(e.g. AR, NY, PA, TX, WY, and others)
chemicals are inthe headlines
r
have significant
implications TDS concentration
Scale tendencies
Biocide requirements Source:CompiledfromDatacollectedataFayettevilleShaleFractureStimulationbyALLConsulting2008.
Additives for fracturing are considered treatmentAdditives for fracturing are considered treatment
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POSTPOSTCOMPLETIONCOMPLETION
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PW
MPW
MANAGEMENTANAGEMENTOOPTIONSPTIONS FourBasicOptions
Injection
Surfacedischarge
Beneficialuse
Reusein
HVHF
Alloptionshavechallenges
treatment
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IINJECTIONNJECTIONCCHALLENGESHALLENGES LimitedUICwellcapacity
Geologiclimitations
Timing fewwellsinnewlydevelopedareas
Lackofnearbywellscreatestransportation
issues
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IINJECTIONNJECTIONCCHALLENGESHALLENGES LimitedUICwellcapacity
Geologiclimitations
Timing fewwellsinnewlydevelopedareas
Lackofnearbywellscreatestransportation
issues
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DDISCHARGEISCHARGE/B/BENEFICIALENEFICIALUUSESECCHALLENGESHALLENGES
Treatmentrequired
Changingregulatory
requirements
Potentialenvironmentalimpacts
Potentialliability
issues
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RREUSEEUSEBBENEFITSENEFITS Reducedwithdrawals(andassociated
concerns
ReducedDisposalneeds
Reducedcost
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RREUSEEUSECCHALLENGESHALLENGES Blendedwatermustbesuitableforfracture
u
TDSconcentration effectonfrictionreducers
Scaletendencies
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TTREATMENTREATMENTGGOALSOALS Threeprimarytreatmentgoals
e uce esa na on or sc arge ene c a use
Reducevolume
for
disposal
Producedwaterqualityvaries
Withinbasins
Overtime
HighTDS
concentrations
limit
treatment
options
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PPRODUCEDRODUCED
WWATERATER
QQUALITYUALITY
Barnett
200000
ThreeYearTDSThreeYearTDSProfileforVerticalBarnettShaleWellProfileforVerticalBarnettShaleWell
50,000 - 250,000 mg/L TDS
Marcellus TDS Highly variable (50,000-
140000
160000
L,
Fayetteville 8,000-30,000 mg/L TDS
Haynesville
100000
120000
olvedSolidsinmg/
, , mg
60000
80000
TotalDis
0
20000
0 1 2 3Year
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Thermal Distillation
Mechanical VaporRecompression (MVR)
Condenses steam forreuse
Corrosion/scale can be
problems < , mg
Force water through anosmotic membrane
replacement costly
TDS
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TTREATMENTREATMENT VVOLUMEOLUME RREDUCTIONEDUCTION ThermalEvaporation
Reducedvolume
Disposeof
concentrate
NolimitonTDS
ZeroLiquid
Discharge
sposeo so s
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TTREATMENTREATMENT/C/CONSTITUENTONSTITUENT
Water
Treatment Organics SuspendedSolids
Biologics(bacteria& LowTDS
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MMANAGEMENTANAGEMENT/T/TREATMENTREATMENTDDRIVERSRIVERS
Social
Conservationof
Resources
AquaticImpacts
Economic
Costofwithdrawals
Costof
trans ortation
Technical
Lackofinjectioncapacity
Treatment
limitations Companypolicies
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ShaleGasis oin toremainin anim ortantsourceofener
Largevolumes
of
water
are
necessary
for
production
Treatmentcanconservesourcewaterandreducewastestream
Treatmentismorethandesalination
Desalination
options
are
limited Reuseisanimportantoption
Treatmenttechnologiesareadvancingandchanging
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Tocitethispresentation:eman, av onsu ng . ons era ons or
TreatingWater
Associated
with
Shale
Gas
.
ProtectionCouncilWater/EnergySustainability
Symposium,2010
Annual
Forum,
Pittsburgh,
Pennsylvania,September2629,2010.
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[email protected]@allllc.com
ALLConsultingALLConsulting
1718S.CheyenneAvenue1718S.CheyenneAvenue
Tulsa,
Oklahoma
74119Tulsa,
Oklahoma
74119
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