Considerations for Treating Water Associated With Shale Gas Development $$$$ (2010)

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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Documents

Considerations for Treating Water Associated With Shale Gas Development $$$$ (2010)