Fracking - Why the Oil and Gas Industry received an exemption to the Clean Water Act ECO Green Group Thursday April 7, 2016 by Tony Green
Apr 12, 2017
Fracking - Why the Oil and Gas Industry received an exemption to the Clean
Water ActECO Green Group Thursday April 7, 2016
byTony Green
Agenda The result of methane in your water Fracking is…. About that Shale Why? – The Demand for Natural Gas The Halliburton Exemption Overview of Fracking Chemicals The Secretive Additives In Closing Questions and Answers
http://www.hulu.com/watch/708712
Would you find this problematic?
Would you find this problematic?
www.physics.ohio-state.edu/~aubrecht/SD-fracking%20101-22.4.12.ppt
Fracking is short for “hydraulic fracturing.” This is an old technique for increasing oil productionfrom worked-out oil wells, but a newtechnique for obtaining methane (natural gas).
Source : Fracking 101 www.physics.ohio-state.edu/~aubrecht/SD-fracking
%20101-22.4.12.ppt
What is Fracking?
the whole process in a nut the whole process in a nut shell is to artificially enhance the permeability of a formation
Sources: http://isites.harvard.edu/fs/docs/icb.topic1061062.files/HydraulicFracturing2_ppt.pdf
What is Fracking?
www.ncel.net/news_uploads/243/Fracking%20PowerPoint%20final.ppt
Gas shale rock has characteristically small pores that are relatively impermeable to natural gas flow unless they are naturally or artificially fractured to create channels connecting the pores
Source : http://naturalgas.org/shale/
About that Shale
Shale is a classic sedimentary rock that is made up of clay-size weathering debris. which breaks up into thin flat pieces. Source : http://isites.harvard.edu/fs/docs/icb.topic1061062.files/HydraulicFracturing2_ppt.pdf
About that Shale
Geologists have known of the presence of natural gas in shale rock for years, but until recently, could not cost-effectively extract it
Two factors came together in recent years to make shale gas production economically viable: (1) advances in horizontal drilling; and (2) advances in hydraulic fracturing
Source: http://naturalgas.org/shale/
Why? Demand for Natural GasNatural gas is a combustible mixture of hydrocarbon gases. While natural gas is formed primarily of methane, it can also include ethane, propane, butane and pentane
http://naturalgas.org/overview/background/
Why? Demand for Natural Gas
Colorless, shapeless, and odorless in its pure form
One of the cleanest, safest, and most useful of all energy sources, gives off a great deal of energy with fewer emissions than many other sources
http://naturalgas.org/overview/background/
Why? Demand for Natural Gas
The distinctive “rotten egg” smell that we often associate with natural gas is actually an odorant called mercaptan.
Found in reservoirs underneath the earth, natural gas is often associated with oil deposits.
http://naturalgas.org/overview/background/
Why? Demand for Natural Gas
22 percent of the world's energy consumption
28 percent of U.S. energy demand (as of 2012).
Heats 51 percent of U.S. households. It also cools many homes and provides fuel for cooking
There are approximately 142,000 natural gas vehicles operating on American roads.
http://www.api.org/Oil-and-Natural-Gas-Overview/Exploration-and-Production/Natural-Gas/Natural-Gas-Uses
Why? Demand for Natural GasWhere do we get our energy?
other renewables2%
nuclear8%
hy-dropowe
r3%
natural gas26%
coal20%biomass
5%
petro-leum36%
http://www.rochester.edu/sustainability/hyrdrofracking-korfmacher.ppt
How do we use natural gas?
31%
19%13%
33%
3%
Electricity
Residential
Commercial
Industrial
Transportation
Why? Demand for Natural Gas
http://www.argus.com Article: Natural Gas Leads Pack for U.S. Power Generation
Natural gas-fired generation will remain the dominant source of power generation
.
Low gas prices
Tougher emissions standards
Aging fleet of coal- fired plants.
The Halliburton Exemption
www.physics.ohio-state.edu/~aubrecht/SD-fracking%20101-22.4.12.ppt
The Halliburton Exemption
http://ecowatch.com/2015/08/11/halliburton-loophole-fracking/
The Halliburton Exemption violated
Clean Water Act Safe Drinking Water Act
Clean Air Act
http://cleanwater.org/page/frackinglawsandloopholes
So what is in Fracking Fluid anyway?
Source : Hydraulic Fracturing in Shale Reservoirs by Stephen Holdtlisch AICHE Webinar Slide 12
So what is in Fracking Fluid anyway?
Water Proppant Additives
So what is in Fracking Fluid anyway?Sources of Water for “Fracking”
Water sources may come from ground or surface water Millions of gallons of water used per production well Storage of water on-site in 20,000 gallon tanks, on-site impoundments, or centralized impoundments serving multiple sites Recycling “Flow back” water produced in fracturing process, ranging from 25 to 75 percent recovery Flow back may contain both naturally occurring contaminants, chemical additives, VOCs, radionuclides, ions and high TDS values, and is not biodegradable
Source: Hydraulic Fracturing www.spencerfarlane.com
So what is in Fracking Fluid anyway?Water use for fracking operations
Source: facstaff.uww.edu/bhattacj/envt_geol_2_29.pp
Typically 4 to 6 million gallons per well
EPA estimated that if 35,000 wells are hydraulically fractured annually in the US, the amount of water consumed would be equivalent to that used by 5 million people.”
Source of water used from fracking operations varies, and is not well documented or monitored
So what is in Fracking Fluid anyway?
Source : Hydraulic Fracturing in Shale Reservoirs by Stephen Holdtlisch AICHE Webinar Slide 25
So what is in Fracking Fluid anyway?
So what is in Fracking Fluid anyway?
Source : Hydraulic Fracturing in Shale Reservoirs by Stephen Holdtlisch AICHE Webinar Slide 26
So what is in Fracking Fluid anyway?Acid
Dissolves the minerals in the rock, soil and sand below the ground.
,Dissolves parts of the rock to initiate cracking
Example: Hydrochloric Acid (HCL) and Acetic Acid (Vinegar) Source: https://www.chemservice.com/news/2014/06/chemicalsandfrackingwhatmakesupfrackingfluid/
So what is in Fracking Fluid anyway?Biocide
Eliminates bacteria in the water that produces corrosive by-products
Example : Glutaraldehyde
Prevent formation of dangerous gasses
So what is in Fracking Fluid anyway?Corrosion Inhibitor
Example: Pharmaceuticals, acrylic fibers and plastics
Protects casing from corrosion.
So what is in Fracking Fluid anyway?
Cross linkerMaintains fluid viscosity as temperature increases
Source: www.fracfocus.org
Example: Laundry detergents,hand soaps, cosmetics
So what is in Fracking Fluid anyway?
Scale InhibitorsKeeps scale deposits from developing inside of the pipes.
Source: https://www.chemservice.com/news/2014/06/chemicalsandfrackingwhatmakesupfrackingfluid/
Example: Household cleaners, deiicers,Paint, Ethylene Glycol – anti-freeze
So what is in Fracking Fluid anyway?
Source: www.fracfocus.org and http://setxind.com/upstream/the-hydraulic-fracking-process-and-how-it-works/
Friction Reducer“Slicks” the water to minimize friction
Example: Cosmetics, make-up, nail and skin products
Allows the fluids to flow more efficiently through the pipes and enables the fracking pumps to pump at a higher rate without having to increase pressure
So what is in Fracking Fluid anyway?Surfactant
Used to increase the viscosity of the fracture fluid
Example: Glass cleaner, multi-surfacecleaner, antiperspirant,deodorants, hair-color
So what is in Fracking Fluid anyway?Guar Gum
Source: Oerb What is in our Fracturing Fluid and http://setxind.com/upstream/the-hydraulic-fracking-process-and-how-it-works/
Thickens the water to suspend the sandExample: used in Ice cream
Increases the viscosity of the fracking fluids and aid in more efficient delivery of proppants into the fractures
All Common Items – But do you want these in your water?
This is where the
idea for the
exemption came
from !!Pool - Diluted Acid
Cosmetics – Friction Reducer Glass Cleaner - Surfactants
Medical Devices - Biocides
In closing Fracking here to stay.
The Oil and Gas Industry working on green solutions for chemicals.
Remember with Fracking, like sustainability, there is a price to be paid for everything.
Questions & Answers