TONGUE DIAGNOSIS Introduction Tongue is generally known as ...
Tongue River Information Program (TRIP) Sponsored by: Montana Board of Oil & Gas Conservation.
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Transcript of Tongue River Information Program (TRIP) Sponsored by: Montana Board of Oil & Gas Conservation.
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Tongue River Information Tongue River Information Program (Program (TRIPTRIP))
Sponsored by:
Montana Board of Oil & Gas Conservation
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AUTHORSAUTHORS
• William Schafer, Ph.D., Soil Scientist
• Neal Fehringer, CPAg, Agronomist
• Kevin Harvey, CPSSc, Soil Scientist
• Tom Osborne, P.H., Hydrologist
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The Tongue River Information Project The Tongue River Information Project (TRIP)(TRIP)
Who & WhyWho & Why• Response to concerns by irrigators that
discharge of CBNG produced water could be affecting the water quality of the river and, in turn, soil properties and crop production.
• Sponsored by Fidelity Exploration & Production Company in 2003-2006
• Sponsored by the Montana Board of Oil and Gas Conservation in 2006-2007
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Components of the Components of the TRIPTRIP Project Project
• an agronomic and soils research and monitoring program called the Agronomic Monitoring and Protection Program (AMPP), and
• a hydrologic component, which is a summary of current stream flow, water quality and contaminant sources in the Tongue River basin.
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The Tongue River Basin
Upper Basin- above Birney, MT
Lower Basin- Birney to Miles City, MT
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Annual Discharge of the Tongue River at State Line
Source: USGS, 2008
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Annual Discharge of the Tongue River at Miles City, MT
Source: USGS, 2008
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Annual Average Flows for the Annual Average Flows for the Tongue River at State LineTongue River at State Line
Ranked Starting with LowestRanked Starting with LowestYear by
RankAnnual
Dischargecfs
2002 137.92004 149.62001 163.02006 180.01961 187.2
Source: USGS, 2008
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Irrigated Lands in the Tongue River Basin
Total: ~ 62,000 acres27% in MT73% in WY
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Water Wells Water Wells Distribution in the Distribution in the
Tongue River Basin Tongue River Basin and Surrounding and Surrounding
AreasAreas
Total: 6,606 wellsTotal: 6,606 wells64% in MT64% in MT36% in WY36% in WY
Based on available recordsBased on available records
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Water UseWater UseSheridan County, WYSheridan County, WY
346,172
650
78
56
246,847
314
56
Public Supply GW
Public Supply SW
Domestic GW
Industrial GW
Industrial SW
Irrigation SW
Mining GW
Mining SW
Values reported in Ac-ft/yr. Values of zero were reported for Domestic SW and Irrigation GW, which were left off the chart.
Source: USGS, 2000
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Water UseWater UseMontana Portion of TRMontana Portion of TR
728
515
728
82,783
23,457
269202
Livestock-GW-Withdrawals
Livestock-SW-Withdrawals
Irrigation-GW-Withdrawals
Irrigation-SW-Withdrawals
Irrigation-Consumptive Use
Public-Supply-GW-Withdrawals
Self-Supplied-Domestic-GW-Withdrawals
Values shown as Ac-ft/yr. Values of zero were reported for Public-Supply-SW-Withdrawalsand Self-Supplied-Domestic-SW-Withdrawals and were left out of chart.
Source: USGS, 2000
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Oil and Gas Well Oil and Gas Well Distribution in the Distribution in the
Tongue River Basin Tongue River Basin
Total: 7,398 wellsTotal: 7,398 wells26% in MT26% in MT74% in WY74% in WY
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Combined History of CBNG Well Completions in the Tongue River Basin
Sources: WOGCC, 2008; MBOGC, 2008
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CBNG Water in the BasinCBNG Water in the BasinEnd of 2007End of 2007
• About 3,200 CBNG wells in the basin
• 75% are in Wyoming
• Average rate per well in 2007 = 3.3 gpm
• Average total produced water = 19.4 cfs
Sources: WOGCC, 2008; MBOGC, 2008; MDEQ, 2008; WDEQ, 2008
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Fate of CBNG WaterFate of CBNG Water
• Over ¾ of total is discharged to off-channel impoundments, treated & discharged, beneficially used in managed irrigation, or injected.
• Less than ¼ of total is untreated discharge
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Permitted Discharge Outfalls and
Irrigation Surface Return Flows to the Tongue River Basin
MT: 3 CBNG Permits; (2 treated)- 17 Outfalls
WY: 4 CBNG Permits;(2 treated)- 19 Outfalls
Sources: WDEQ, 2008; MDEQ, 2008; MDEQ, 2003; NRCS, 2002
Irrigation Return Flows
Mine Discharges
CBNG Discharges
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CBNG Discharges to Tongue River Basin
• Permits are authorized for discharge of from 1,640 to 2,630 gpm (3.6 – 5.9 cfs) of untreated CBNG water, and
• 4,438 gpm (9.9 cfs) of treated CBNG water.
• Actual CBNG discharges have been 55% to 90% of permitted discharges.
Sources: WDEQ, 2008; MDEQ, 2008
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Log Discharge vs. SC for the Tongue River Log Discharge vs. SC for the Tongue River at the State Lineat the State Line
0
200
400
600
800
1000
1200
1400
1 10 100 1000 10000
SC
, um
ho
s/cm
25C
Discharge, cfs
1985-99 2000-06 2007
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Log Discharge vs. SAR for the Tongue River Log Discharge vs. SAR for the Tongue River at the State Lineat the State Line
0.0
0.3
0.5
0.8
1.0
1.3
1.5
1.8
2.0
2.3
2.5
2.8
3.0
1 10 100 1000 10000
SA
R
Discharge, cfs
1985-99 2000-06 2007
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Log Discharge vs. SC for the Tongue River Log Discharge vs. SC for the Tongue River at Miles City, MTat Miles City, MT
0
500
1000
1500
2000
2500
3000
1 10 100 1000
SC
, um
ho
s/cm
25C
Discharge, cfs
1973-99 2000-06 2007
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Log Discharge vs. SAR for the Tongue River Log Discharge vs. SAR for the Tongue River at Miles City, MTat Miles City, MT
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
1 10 100 1000
SA
R
Discharge, cfs
1973-99 2000-06 2007
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USGS SIR 2007-5146USGS SIR 2007-5146(Clark & Mason, 2007)(Clark & Mason, 2007)
“Eight sites in the Tongue, Powder, and Belle Fourche River drainage basins having sufficient long-term data were evaluated for trends in specific conductance during water years 1991–2005. Trends in specific conductance were not significant (p-values greater than 0.10) at the eight sites when values were flow-adjusted for streamflow variability “
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SummarySummary
• Graphical Comparisons of SC and SAR data at comparable stream flows for periods before and after the onset of CBNG development do not indicate increasing trends at any USGS monitoring station on the Tongue River.
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Summary (continued)Summary (continued)• The Tongue River basin is a hard-working
watershed that has to date successfully supported both a long-standing agricultural economy and a rapidly-developing energy industry.
• Continued monitoring of the river’s flow and quality, and an improved accounting of basin-wide point and non-point sources of contaminants is warranted.
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AcknowledgementsAcknowledgements
Montana Board of Oil & Gas Conservation, Tom Richmond, Administrator
Cooperating farmers & ranchers
Web Sites:Web Sites:http://bogc.dnrc.mt.gov/reports.asp
www.tongueriverampp.com
www.energylabs.com/ampp.aspx
www.hydrosi.com
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Key to Global WarmingKey to Global Warming
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Questions?
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CBNG Produced WaterCBNG Produced Water • CBNG wells are drilled on 80 or160 acre spacings
• Wells are pumped at 3-22 gpm
(avg. 4.2)
• Single-completion well shown
• Trend is to mono-bores with commingled water
Source: Wheaton, et al, 2007
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Composition of CBM WaterComposition of CBM Water
• TDS: 568 – 2028 mg/l; median: 1201 mg/l• SAR: 11.3 – 82.4; median: 46• Dominated by Sodium and Bicarbonate• Generally suitable for domestic use and
livestock• Generally unsuitable for application to soils
without treatment of either the soils or the water
Source: Wheaton, et al., 2007
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Number of CBNG Wells and Average Rate of Water Production Per Well for the CX Field, Big
Horn County, MontanaSource: Fidelity, 2008
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Number of CBNG Wells and Average Rate of Water Production Per Well for the CBNG Wells in Tongue
River Basin of WyomingSource: WOGCC, 2008
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0 10,000 20,000 30,000
Johnson, WY
Powder River,MT
Rosebud, MT
Big Horn, MT
Custer, MT
Sheridan, WY
Population Distribution in BasinPopulation Distribution in Basin
Source: MDEQ, 2003
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Well Depths- CBNG vs PrivateWell Depths- CBNG vs PrivateWyoming:
• 91% of CBNG wells are deeper than 400 ft
• 93% of private water wells are less than 400 ft deep.
Montana:
• 78% of CBNG wells are deeper than 400 ft
• 91% of private water wells are less than 400 ft deep.
Sources: MBOGC, 2006; WOGCC, 2007; GWIC, 2007; WSEO, 2007