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SHALLOW GAS EXPLORATION & PRODUCTIONIN
SOUTH DAKOTA
PAST, PRESENT, AND FUTURE
BY
GERALD (MACK) McGILLIVRAY
2008 ROCKY MOUNTAIN UNCONVENTIONAL GAS CONFERENCE
OCTOBER 15-17, 2008
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HISTORY OF SHALLOW GAS IN SDHISTORY OF SHALLOW GAS IN SDA TimelineA Timeline
Waaay back: Pierre Gas Field 1889Waaay back: Pierre Gas Field 1889--1948 1948
Oil & Casing Head Gas (Too Deep & Low BTU): 1954Oil & Casing Head Gas (Too Deep & Low BTU): 1954--PresentPresent
Not so far back: Harding Co. Eagle/ShannonNot so far back: Harding Co. Eagle/ShannonWSPH & Cady Creek Fields: 1977WSPH & Cady Creek Fields: 1977--PresentPresent
Recent Past (Last Five Years) and Present: Pierre Gas Field ReviRecent Past (Last Five Years) and Present: Pierre Gas Field Revisited, sited, SubSub--Glacial Gas, and New Field in Harding Co.Glacial Gas, and New Field in Harding Co.
Future???Future???
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PIERRE GAS FIELD PIERRE GAS FIELD 18991899--19481948
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PIERRE GAS FIELD HISTORYPIERRE GAS FIELD HISTORY
1889 Pierre Gas Plant installed 1889 Pierre Gas Plant installed 1892 Gas from Indian School water well 1892 Gas from Indian School water well flaredflared until 1939until 19391894 1894
Locke Hotel; cook, heat, lightsLocke Hotel; cook, heat, lightsCity Gas Plant; “(every) home…”City Gas Plant; “(every) home…”City Streets; all lit with gasCity Streets; all lit with gas
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GAS ANALYSESGAS ANALYSES
State Capitol WellState Capitol WellCH4………94 %CH4………94 %N2……….. 5.7N2……….. 5.7O2……….. 0.13O2……….. 0.13CO2………0.06CO2………0.06Btu………..907Btu………..907
Analysis by S.D. StateAnalysis by S.D. StateCollegeCollege
Pierre City WellsPierre City WellsMethane…….78.8%Methane…….78.8%Ethane………13.2Ethane………13.2Propane……..10.7Propane……..10.7Butane………..1.3Butane………..1.3
Analysis by Carter Oil Analysis by Carter Oil CompanyCompany
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Pierre Area Natural Gas Production Pierre Area Natural Gas Production 1899 1899 -- 19481948
0
20
40
60
80
100
120
1899
1902
1905
1908
1911
1914
1917
1920
1923
1926
1929
1932
1935
1938
1941
1944
1947
MMCF GAS
SD Department of Environment & Natural Resources
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Dakota SandstoneInyan Kara Group (Fall River & Lakota Sandstone)
MissouriRiverPierre Shale
Igneous andMetamorphic
Rock
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HARDING COUNTY OIL HARDING COUNTY OIL & GAS FIELDS HISTORY& GAS FIELDS HISTORY
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HARDING COUNTY OIL HARDING COUNTY OIL & GAS FIELDS HISTORY CONTD.& GAS FIELDS HISTORY CONTD.
1954: Buffalo Field discovered. Cum 1954: Buffalo Field discovered. Cum gas production 172 BCF, mostly gas production 172 BCF, mostly casinghead gas (low BTU) used on casinghead gas (low BTU) used on site or vented. site or vented.
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HARDING COUNTY – BUFFALO FIELD 1943
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HARDING COUNTY – BUFFALO FIELD 195?
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HARDING COUNTY OIL HARDING COUNTY OIL & GAS FIELDS HISTORY CONTD.& GAS FIELDS HISTORY CONTD.
19761976--78: West Short Pine Hills & 78: West Short Pine Hills & Cady Creek fields discovered. Cum Cady Creek fields discovered. Cum gas production 24 BCF, all salable gasgas production 24 BCF, all salable gas
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South Dakota Natural Gas Production South Dakota Natural Gas Production 1899 1899 -- 20072007
0
2000
4000
6000
8000
10000
12000
14000
189919025 8 11 14 17 20 23 26 29 32 35 38 41 44 47 50 53 56 59 62 65 68 71 74 77 80 83 86 89 92 95 98 200120042007
MC
F
TOTAL GAS
SALABLE
SD Department of Environment & Natural Resources 02/20/08
Methane production from the DakotaSandstone, Pierre Gas Field, 1899-1953
Casing head gas associated withOil production 1954-Present
Methane production from the Eagle/Shannonmembers of the Pierre Shale 1979-Present
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South Dakota Natural Gas Production South Dakota Natural Gas Production 1899 1899 -- 20072007
1
10
100
1000
10000
100000
189919025 8 11 14 17 20 23 26 29 32 35 38 41 44 47 50 53 56 59 62 65 68 71 74 77 80 83 86 89 92 95 98 200120042007
MC
F
TOTAL GASSALABLE GAS
SD Department of Environment & Natural Resources 02/20/08
Methane production from the DakotaSandstone, Pierre Gas Field, 1899-1953
Casing head gas associated withOil production 1954-Present
Methane production from the Eagle/Shannonmembers of the Pierre Shale 1979-Present
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HARDING COUNTY OIL HARDING COUNTY OIL & GAS FIELDS HISTORY CONTD.& GAS FIELDS HISTORY CONTD.
20072007--08: Spyglass Jump Off Field 08: Spyglass Jump Off Field discovered. Cum gas production discovered. Cum gas production (June & July 2008, 50 days) 75,523 (June & July 2008, 50 days) 75,523 MCFMCF
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2008 MONTHLY SALABLE GAS PRODUCTION
35,950 33,283 33,869 31,55631,741
48,422
86,473
0 0 0 0 00
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
JanuaryFebruary
March April May
June
July
AugustSeptember
October
NovemberDecember
MCF
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RECENT “WILDCAT” SHALLOWRECENT “WILDCAT” SHALLOWGAS EXPLORATION GAS EXPLORATION
2004: McCook Co. Glacial/Cretaceous 2004: McCook Co. Glacial/Cretaceous Test by Sheirer (Landowner). Show Test by Sheirer (Landowner). Show of Gas, but also producing water. Still of Gas, but also producing water. Still testing methods to reducetesting methods to reduce
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RECENT “WILDCAT” SHALLOWRECENT “WILDCAT” SHALLOWGAS EXPLORATION CONTD.GAS EXPLORATION CONTD.
2005 & 2007: Stanley & Hughes Co. 2005 & 2007: Stanley & Hughes Co. Cretaceous Gas Tests by Huston Expl Cretaceous Gas Tests by Huston Expl (Forest Oil) & Fidelity Expl.(Forest Oil) & Fidelity Expl.
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RECENT “WILDCAT” SHALLOWRECENT “WILDCAT” SHALLOWGAS EXPLORATION CONTD.GAS EXPLORATION CONTD.
2007: Spink Co. Cretaceous Gas Tests 2007: Spink Co. Cretaceous Gas Tests by BioRock.by BioRock.
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THE FUTURE,WHAT DOES IT
HOLD, AND WHAT CAN WE DO TO HELP?
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CURRENT PUBLICATIONS
ANDSERVICES
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NEW STUFF!!
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Revise 74:10:03:16. Procedures for setting surface casing and production casing.The rule currently requires a minimum of 100 feet of surface casing to protect shallow aquifers in all oil and gas wells. Operators that are exploring for shallow oil and gas in the state asked the department to change the current rule because some of the oil and gas they are targeting is at depths of less than 100 feet. In addition, there are areas in the state where 100 feet of surface casing is not necessary due to the surface geology (shale, glacial till). This rule change will eliminate the minimum 100 feet of surface casing requirement and allow the department to determine how much surface casing isrequired on a case-by-case basis as we do now when more than 100 feet is required.
REVISED RULES
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Williston Basin
Kennedy Basin
Sioux Ridge
BlackHills
ChadronArch
Powder RiverBasin
Forest CityBasin
Canadian Shield
AB
C
D E
F G
H
I
A’
B’C’D’
E’F’
H’
I’
G’
Cross Sections of Geophysical Logs of Phanerozoic Rocks in South Dakota
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Cross Section Showing Geophysical Logs of Phanerozoic Rocks In the Northern Portion of the Williston Basin in South Dakota
By J.E. Fox (SDSMT) and K.A. McCormick and T.N. Haggar (SDGS)
Currently under Construction and will be available asa SDGS publication July, 2008
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Stratigraphic Correlation Chartof South Dakota
Joint effort by DENROil & Gas Section
AndSouth Dakota Geological Survey
Became availableas a SDGS publication
(Oil & Gas Investigation 1)July, 2007
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THE DENR OIL &GAS OFFICE AND SDGS HAVE SCANNED ALL OF THE WELL LOGS IN OUR FILES, AND THEY ARE CURRENTLY AVAILABLE IN TIFF
AND PDF FORMATS BY REQUEST.
HOPEFULLY, THEY WILL BE AVAILABLE ON THE WEB SOON.
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FOR MORE INFORMATION,
SEE OUR WEBSITE http://www.state.sd.us/denr/DES/Mining/Oil&Gas/O&Ghome.htm
OR CONTACT:
FRED STEECE (SUPERVISOR) email: [email protected]
MACK MCGILLIVRAY (SENIOR GEOLOGIST) email: [email protected]
SOUTH DAKOTA DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCESMINERALS & MINING PROGRAM - OIL & GAS SECTION
2050 WEST MAIN, SUITE #1RAPID CITY, SD 57702-2493
PHONE: (605)394-2229 FAX: (605)394-5317