www.hydrozonix.com Recycle..Reuse..Results.. 

# Slickwater +vs.+Crosslink+Gels:++ Iden6fying+Which+Frac+Fluid+Works+ Be?er+with+Produced+Water+ +(Recycling+Case+Study)+www.hydrozonix.com Recycle..Reuse..Results.. 2. 0. 20. 40. 60. 80. 100. 120. Hawaii. Louisiana. Alabama. Mississippi. Alaska. Florida. Tennessee. Georgia. North.Carolina. Arkansas. South.Carolina. ConnecJcut. Kentucky. Delaware. MassachuseMs. New.Jersey. Rhode.Island. West.Virginia. Maryland.

Virginia. New.Hampshire. Maine. Pennsylvania. Indiana. Missouri. New.York. Vermont. Illinois.

Ohio. Washington.

Oklahoma. Iowa. Michigan. Wisconsin. Oregon. Kansas.

Texas. Minnesota.

California. Nebraska.

Nevada.

Idaho. South.Dakota. North.Dakota. Colorado. Montana.

Arizona. New.Mexico. Wyoming. Utah. AVERAGE+ANNUAL+PRECIPITATION+ 

# 55%.. of.wells.drilled.3Q13. 

# TEXAS. NORTH.DAKOTA. 

# COLORADO.www.hydrozonix.com Recycle..Reuse..Results.. 3. 

## freshwater+constraints+ +. disposal.constraints. =. need+to+recycle+www.hydrozonix.com Recycle..Reuse..Results.. 4. 

## Slickwater +vs.+Crosslink+Gels+ Slickwater Crosslink+Gels+ FricJon.Reducer.can.be. effected. Gel.CompaJbility.is.an.issue. FricJon.reducer.can.be. adjusted.on.the.fly. Difficult.to.adjust.on.the.fly. LiMle.SensiJvity.to.blend.rate. High.SensiJvity.to.blend.rate. Fluid.Consistency.not.an.issue. Fluid.Consistency.is.an.issue. No.Boron.concerns. Boron.is.a.concern.www.hydrozonix.com Recycle..Reuse..Results.. 

# Permian+Basin+ Slickwater +Recycle+Rate+++

0%. 10%. 20%. 30%. 40%. 50%. 60%. 70%.10/14/11.11/13/11.12/13/11.01/12/12.02/11/12.03/12/12.04/11/12.05/11/12.06/10/12.07/10/12.08/09/12.09/08/12.10/08/12. %+Recycled+Fluid+per+Well+ All+Permian+Basin+www.hydrozonix.com Recycle..Reuse..Results.. 

# CrossOlinked+gel+fluids+

6.www.hydrozonix.com Recycle..Reuse..Results.. 

# Need+for+Fluid+QA/QC+on+XOlinked+Gel+ Fracs++

7. 

# • Prehfrac.circulaJon,.pretest.water,.define.blend. • Blend.to.correct.raJos. • Monitor.water.quality.real.Jme. • Synchronize.water.transfer.with.pumping.company.www.hydrozonix.com Recycle..Reuse..Results.. 

# PreO Frac TESTING.

8. 

### • Blended+Water+Gel+Compa6bility+Test+ • Water+SourceO+Freshwater+and+Produced+ • Chloride+ • Boron+ • TDS++www.hydrozonix.com Recycle..Reuse..Results.. 

# PreO Frac TESTING.

9. 

# Gel.frac.recycle.. and.control.system. Consistent+Water+ Quality+

• Calibrate.Pumpsh.Fresh.&. Produced.

• Baseline.TDS,.Chlorides. and.Boron.

• Chloride.concentraJon. opJmized.for. clay+ stabiliza6on+www.hydrozonix.com Recycle..Reuse..Results.. 

# PreO Frac TESTING.

10. 

# Gel.frac.recycle.. and.control.system. PreOfrac+circula6on+

• Agitate.water.

• Collect.samples.

• Engineer.chemistry.to. match.the.fluidwww.hydrozonix.com Recycle..Reuse..Results.. 

# Why+circulate?+

11. 0. 5000. 10000. 15000. 20000. 25000. 30000.



### Before.CirculaJon. Amer.CirculaJon. Amer.Treatment.Bacteria+Count+/+ml+ 

## GHB. SRB. APB. Bacteria.levels. 

# DOUBLE+www.hydrozonix.com Recycle..Reuse..Results.. 

# Circula6on+Op6ons+

12.www.hydrozonix.com Recycle..Reuse..Results.. 

# XO FRaC SYSTEM.

13. 

# Gel.frac.recycle.. and.control.system. RealO6me+measurement+

• Total.dissolved.solids.

• Chloride.

• Boron.www.hydrozonix.com Recycle..Reuse..Results.. 

# XO FRaC SYSTEM.

14. 

# Gel.frac.recycle.. and.control.system. Pump+control+

• Control.pump.RPMs.

• Control.blend.raJos.

• Adjust.blends.onhthehfly.www.hydrozonix.com Recycle..Reuse..Results.. 

# Case+study+–+Permian+Basin+

15. 

# • 130,000. bbl .frac. • 75%.freshwater. • 25%.produced.fluid. • Results+ • Volumetric.raJos. • Boron. • Chloride.www.hydrozonix.com Recycle..Reuse..Results.. 

# Volumetric+ra6os+

16. 0%. 10%. 20%. 30%. 40%. 50%. 60%. 70%. 80%. 90%. 100%.

Pre*. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Stage+Number Produced.Water. Fresh.Water.www.hydrozonix.com Recycle..Reuse..Results.. 

# Boron+levels+

17. 0. 20. 40. 60. 80. 100. 120. 140.

Pre*. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Boron,+mg/L

Stage+Number Produced.Water. Treated.Water.www.hydrozonix.com Recycle..Reuse..Results.. 

# Potassium+chloride+( KCl )+equivalency+

18. 0.0%. 0.5%. 1.0%. 1.5%. 2.0%. 2.5%. 3.0%. 3.5%. 4.0%. 4.5%. 5.0%.

Pre. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. KCl +equivalency

Stage+Numberwww.hydrozonix.com Recycle..Reuse..Results.. 

# Hydrozonix +EF80+
• VersaJle.bacteria.treatment.

• Onhthehfly.treatment.onsite.
• No.negaJve.impact.on.chemical.compaJbility.

19.www.hydrozonix.com Recycle..Reuse..Results.. 

# www.hydrozonix.com 

# QuesJons.?.