Richard Hammack
Transcript of Richard Hammack
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Greene County Site Richard Hammack- Monitoring Team Lead
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Greene County Site
• Monitoring Objectives: air quality, induced seismicity, fracture growth, and fluid/gas migration
Air Monitoring Laboratory
Seismometer
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Greene County Site
• Two Gas Producing Zones: – Upper Devonian – Marcellus Shale
• Fractured Zone – Marcellus Shale
• Monitored Zone – Upper Devonian
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Greene County Site
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Greene County Site
UD-1 UD-2 UD-5 MW-1 MW-2 MH 1-6
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Greene County Site
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Greene County Site
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Microseismic
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Microseismic Tools
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Microseismic Event Locations
1,064,000 MCF
783,000 MCF
627,000 MCF
499,000 MCF
280,000 MCF
344,000 MCF
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Microseismic Event Locations
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Microseismic Event Locations
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Greene County Site
UD-1 UD-2 UD-5 MW-1 MW-2 MH 1-6
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Pressure and Production History
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Pressure and Production History
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Pressure and Production History
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Natural Gas Isotopes
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Natural Gas Isotopes
2012-13Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May
-45
-44
-43
-42
-41
-40
-39
-38
-371
3 C-C
H 4
UD-2UD-1UD-7UD-6UD-3UD-5UD-4MW-1MW-2
Upper Devonian Wells
Marcellus Shale Wells
Pre-
Frac
Hyd
raul
ic F
ract
urin
g
Post
-Fra
c
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Natural Gas Isotopes
2012-13Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May
2H-
CH 4
-200
-190
-180
-170
-160
UD-2UD-1UD-7UD-6UD-3UD-5UD-4MW-1MW-2
Hyd
raul
ic F
ract
urin
g
Post
-Fra
c
Pre-
Frac
Marcellus Shale Wells
Upper Devonian Wells
Sharma, S., et al. Assessing changes in gas migration pathways at a hydraulic fracturing site: Example from Greene County, Pennsylvania, USA. Appl. Geochem. (2014), http://dx.doi.org/10.1016/j.apgeochem.2014.07.018
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Produced Water Isotopes
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Produced Water Isotopes
Kolesar Kohl, C.A., Capo, R.C., Stewart, B.W., Wall, A.J., Schroeder, K.T., Hammack, R.W., Guthrie, G.D. (2014) Strontium isotopes test long-term zonal isolation of injected and Marcellus Formation water after hydraulic fracturing. Environ. Sci. Technol. 48, 9867-9873
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Perfluorocarbon Tracers
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Perfluorocarbon Tracers
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Greene County Site
Is there evidence of gas or fluid migration? 1. Microseismic Monitoring-No 2. Production/Pressure History-No 3. Gas Isotopes-No 4. Produced Water Isotopes-No 5. Perfluorocarbon Tracers- No
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Greene County Site
• Teams: – Fracture Growth- Microseismic
• Weatherford, Pitt
– Fluid/Gas Migration • Production/Pressure History – NETL • Gas Isotopes-WVU, Isotech • Produced Water Isotopes- Pitt • PFC Tracers- ProTechnics, SpectraChem
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Contact Information
Richard W. Hammack Office of Research and Development
National Energy Technology Laboratory PO Box 10970
Pittsburgh, PA 15236 Phone: 412 386-6585 Mobile: 412 337-8655
Email: [email protected]