Regional Geochemical Evaluation of the Ordovician Utica...
Transcript of Regional Geochemical Evaluation of the Ordovician Utica...
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Regional Geochemical Evaluation of theRegional Geochemical Evaluation of theOrdovician Utica Shale Gas Play in QuébecOrdovician Utica Shale Gas Play in Québec
Robert ThériaultRobert ThériaultQuébec Ministry of Natural Resources and WildlifeQuébec Ministry of Natural Resources and Wildlife
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OutlineOutline of of presentationpresentation
Conclusions
Geology of the Utica and Lorraine shalesRegional settingShale gas fairwaysLithological characteristicsIsopach maps
Mineralogy of the Utica and Lorraine shales XRD data - Binary diagramsXRD data - Well profiles
Geochemistry of the Utica and Lorraine shales Rock eval dataIsocontour maps (TOC, HI, TR, Index)
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AcknowledgementsAcknowledgements
Participating companies : Prov / Fed governments :
GSC-CalgaryGSC-Quebec (D. Lavoie)INRS (R. Bertrand)MRNF (S. Beauséjour;
drafting)
Talisman EnergyForest OilJunexGastemEncana
OVER 600 ROCK EVAL ANALYSESOVER 600 ROCK EVAL ANALYSES
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Shale plays in North AmericaShale plays in North America
WCSB
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GeologyGeology of the St. Lawrence Lowlandsof the St. Lawrence Lowlands
QuébecQuébec
Trois-RivièresTrois-Rivières
MontréalMontréal
SherbrookeSherbrooke
Trenton Group
Deschambault FormationMontreal and Neuville formationsNeuville and Tetreauville formations
Ouareau and Mile End formations
Utica ShaleUpper and Lower Utica
Lorraine Group
Nicolet FormationPontgravé Formation
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Exploration licencesExploration licences -- LowlandsLowlands
QuébecQuébec
Trois-RivièresTrois-Rivières
MontréalMontréal
SherbrookeSherbrooke
> 7.7 millions acres in Lowlands Area42% held by Majors58% held by Juniors
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Shale gas wells Shale gas wells -- LowlandsLowlands
1- Junex, St-Augustin-de-Desmaures No 12- Canadian Forest Oil, Champlain No 1H3- Talisman Energy, Gentilly No 14- Junex, Becancour No 85- Talisman Energy, La Visitation No 16- Gastem, St-Francois-du-Lac No 17- Canadian Forest Oil, St-Francois-du-Lac No 1H8- Talisman Energy, St-David No 19- Gastem, St-Louis-de-Richelieu No 1H10- Junex, St-Antoine-sur-Richelieu No 111- Questerre et al., St-Jean-sur-Richelieu No 1
Shale gas wells (2007-2008)
2
344
2
3
11
6-78
910
9
11
6-78
10
11
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Talisman press release (Sept 2, 2008):800 mcf/d over an 18-day periodsingle-frac vertical well
Forest Oil release (April 1, 2008):1000 mcf/d over a short periodsingle-frac vertical well
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Shale gas wells Shale gas wells -- LowlandsLowlands
Yamaska FaultYamaska Fault
Logan’s LineLogan’s Line
Talisman press release (Sept 2, 2008):800 mcf/d over an 18-day periodsingle-frac vertical well
Forest Oil release (April 1, 2008):1000 mcf/d over a short periodsingle-frac vertical well
2
344
2
3
11
6-78
910
9
11
6-78
10
11
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1- Junex, St-Augustin-de-Desmaures No 12- Canadian Forest Oil, Champlain No 1H3- Talisman Energy, Gentilly No 14- Junex, Becancour No 85- Talisman Energy, La Visitation No 16- Gastem, St-Francois-du-Lac No 17- Canadian Forest Oil, St-Francois-du-Lac No 1H8- Talisman Energy, St-David No 19- Gastem, St-Louis-de-Richelieu No 1H10- Junex, St-Antoine-sur-Richelieu No 111- Questerre et al., St-Jean-sur-Richelieu No 1
Shale gas wells (2007-2008)
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Potential shale gas fairways Potential shale gas fairways -- LowlandsLowlands
Potential Shale Gas Fairways1 - Shallow platform, thermo. / bio.
(< 750 m) 2 - Deep platform, thermogenic
(1250-2500 m)3 - Deep thrusts, thermogenic
(> 2500 m)
1 32
Yamaska FaultYamaska Fault
Logan’s LineLogan’s Line
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Seismic line MSeismic line M--20012001
QuébecQuébec
Trois-RivièresTrois-Rivières
MontréalMontréal
SherbrookeSherbrooke
Trenton Group
Deschambault FormationMontreal and Neuville formationsNeuville and Tetreauville formations
Ouareau and Mile End formations
Utica ShaleUpper and Lower Utica
Lorraine Group
Nicolet FormationPontgravé Formation
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SeismicSeismic profile Mprofile M--20012001
YAMASKAFAULT
LOGAN’SLINE
1 2 3
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TimeTime--structure structure mapmap -- Top of TrentonTop of Trenton
km
0 5025
St-Flavien
Pointe-du-Lac
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TimeTime--structure structure mapmap -- Top of TrentonTop of Trenton
ViewView towardstowards the NWthe NW
km
0 5025
St-Flavien
Pointe-du-Lac
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DepthDepth contour contour mapmap –– Top of Utica ShaleTop of Utica Shale
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DepthDepth contour contour mapmap –– Top of Utica ShaleTop of Utica Shale
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IsopachIsopach mapmap –– Utica ShaleUtica Shale
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IsopachIsopach mapmap –– Utica ShaleUtica Shale
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GeologyGeology –– Trenton / Utica contactTrenton / Utica contact
Top of Trenton = 50 cm limestone bedBase of Utica = calcareous shale with limestone interbedsGradual contact in the northern part of Québec Lowlands
Jacques-Cartier River, Pont-Rouge
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GeologyGeology –– LowerLower UticaUtica
Calcareous shaleMedium to dark greyVery common limestone interbeds
Cap-Santé
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GeologyGeology –– UpperUpper UticaUtica
Calcareous shaleMedium to dark greyFew limestone and siltstone interbeds
Jacques-Cartier River, Donnaconna
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GeologyGeology –– Lorraine GroupLorraine Group
Non-calcareous, siliceous and argillaceous shaleMedium to dark grey, with a brownish tingeSiltstone and sandstone interbeds
Montmorency Falls
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Well log data Well log data -- SOQUIP, StSOQUIP, St--Croix No 1 LotbiniereCroix No 1 Lotbiniere
A192
A192A192
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Well log data Well log data -- SOQUIP, StSOQUIP, St--Croix No 1 LotbiniereCroix No 1 Lotbiniere
A192
A192A192
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Well log data Well log data -- SOQUIP Laduboro, Nicolet No 1SOQUIP Laduboro, Nicolet No 1
A165A165
A165
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A165A165
Well log data Well log data -- SOQUIP Laduboro, Nicolet No 1SOQUIP Laduboro, Nicolet No 1
A165
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Well log data Well log data -- SOQUIP StSOQUIP St--ThomasThomas--d’Aquin No 1d’Aquin No 1
A189A189
A189
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Well log data Well log data -- SOQUIP StSOQUIP St--ThomasThomas--d’Aquin No 1d’Aquin No 1
A189A189
A189
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OutlineOutline of of presentationpresentation
Conclusions
Geology of the Utica and Lorraine shalesRegional settingShale gas fairwaysLithological characteristicsIsopach maps
Mineralogy of the Utica and Lorraine shales XRD data - Binary diagramsXRD data - Well profiles
Geochemistry of the Utica and Lorraine shales Rock eval dataIsocontour maps (TOC, HI, TR, Index)
Mineralogy of the Utica and Lorraine shalesXRD data - Binary diagramsXRD data - Well profiles
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MineralogyMineralogy -- XRD dataXRD data
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MineralogyMineralogy -- XRD dataXRD data
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Fracturabilitypotential
Fracturabilitypotential
MineralogyMineralogy -- XRD dataXRD data
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MineralogyMineralogy -- XRD dataXRD data
A189A189
A038A038
A069A069A069 : Imperial Lowlands No 1A189 : SOQUIP, St-Thomas-d’Aquin No 1A038 : Eastern Canada No 1
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XRDXRD data data -- Imperial Lowlands No 1 (A069)Imperial Lowlands No 1 (A069)
1500
1700
1900
2100
2300
2500
0 10 20 30 40 50 60 70 80 90 100
Wt. %
Dep
th (f
t) QuartzClaysCarbonatesCal / Dol
LORRAINE
UPPER UTICA
LOWER UTICA
TRENTON
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2000
2100
2200
2300
2400
2500
0 10 20 30 40 50 60 70 80 90 100
Wt. %
Dep
th (m
) QuartzClaysCarbonatesCal / Dol
XRDXRD data data -- SOQUIP, StSOQUIP, St--ThomasThomas--d’Aquin No 1 (A189)d’Aquin No 1 (A189)
LORRAINE
UPPERUTICA
LOWERUTICA
TRENTON
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0
500
1000
1500
2000
2500
3000
3500
0 10 20 30 40 50 60 70 80 90 100
Wt. %
Dep
th (f
t) QuartzClaysCarbonatesCal / Dol
XRDXRD data data -- Eastern Canada No 1 (A038)Eastern Canada No 1 (A038)
LORRAINE
UPPERUTICA
LOWERUTICA
TRENTON
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SummarySummary -- XRD XRD data (avg. values)data (avg. values)
5510Feldspars
555Dolomite
50505Calcite
101525Quartz
252050Clays*
LOWER UTICAUPPER UTICALORRAINE
* Clays = 65-85% Illite, 10-25% Chlorite, 5% Kaolinite
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OutlineOutline of of presentationpresentation
Conclusions
Geology of the Utica and Lorraine shalesRegional settingShale gas fairwaysLithological characteristicsIsopach maps
Mineralogy of the Utica and Lorraine shales XRD data - Binary diagramsXRD data - Well profiles
Geochemistry of the Utica and Lorraine shales Rock eval dataIsocontour maps (TOC, HI, TR, Index)
Geochemistry of the Utica and Lorraine shalesRock eval dataIsocontour maps (TOC, HI, TR, Index)
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Geochemical studyGeochemical study
Rock Eval samples65 wells (cuttings and core)
53 outcrops
Total of 1050 analyses (350 extra analysesfrom 22 new wells expected this month)
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GeochemistryGeochemistry –– Rock Rock EvalEval
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GeochemistryGeochemistry –– Rock Rock EvalEval
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Ajouterlégende
AverageAverage TOC TOC -- Lorraine Lorraine
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Ajouterlégende
AverageAverage TOC TOC -- Lorraine Lorraine
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Ajouterlégende
AverageAverage TOC TOC –– UpperUpper Utica Utica
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Ajouterlégende
AverageAverage TOC TOC –– UpperUpper Utica Utica
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Ajouterlégende
AverageAverage TOC TOC –– LowerLower Utica Utica
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Ajouterlégende
AverageAverage TOC TOC –– LowerLower Utica Utica
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Ajouterlégende
Maximum TOC Maximum TOC -- Lorraine Lorraine
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Maximum TOC Maximum TOC –– UpperUpper Utica Utica
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Maximum TOC Maximum TOC –– LowerLower Utica Utica
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HydrogenHydrogen Index (HI) Index (HI) -- Lorraine Lorraine
HI = 100 x S2 / TOC
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HydrogenHydrogen Index (HI) Index (HI) –– UpperUpper Utica Utica
HI = 100 x S2 / TOC
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HydrogenHydrogen Index (HI) Index (HI) –– LowerLower Utica Utica
HI = 100 x S2 / TOC
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Transformation Ratio (TR) Transformation Ratio (TR) -- Lorraine Lorraine
TR = (HI - HI ) / HIorig origpresent
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Transformation Ratio (TR) Transformation Ratio (TR) –– UpperUpper Utica Utica
TR = (HI - HI ) / HIorig origpresent
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Transformation Ratio (TR) Transformation Ratio (TR) –– LowerLower Utica Utica
TR = (HI - HI ) / HIorig origpresent
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Rock Eval IndexRock Eval Index (REI)(REI) –– LorraineLorraine
REI = TOC - HI + PI
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Rock Eval IndexRock Eval Index (REI)(REI) –– LorraineLorraine
REI = TOC - HI + PIREI = TOC - HI + PI
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Rock Eval IndexRock Eval Index (REI)(REI) –– Upper UticaUpper Utica
REI = TOC - HI + PI
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Rock Eval IndexRock Eval Index (REI)(REI) –– Upper UticaUpper Utica
REI = TOC - HI + PI
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Rock Eval IndexRock Eval Index (REI)(REI) –– Lower UticaLower Utica
REI = TOC - HI + PI
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Rock Eval IndexRock Eval Index (REI)(REI) –– Lower UticaLower Utica
REI = TOC - HI + PI
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SummarySummary -- Rock Eval data (avg. values)Rock Eval data (avg. values)
280250405n
777750HI
0.570.920.40S2
0.470.740.32S1
0.75%1.21%0.90%TOC
LOWER UTICAUPPER UTICALORRAINE
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Max TOC - Lorraine (platform) Max TOC - Lorraine (platform + thrusts)
Maximum TOC Maximum TOC -- Lorraine (deep thrusts)Lorraine (deep thrusts)
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Logan’sLine
A185A185
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Max TOC - Lorraine (platform + thrusts)
Maximum TOC Maximum TOC -- Lorraine (deep thrusts)Lorraine (deep thrusts)
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Logan’sLine
A185A185
8182.99%13700’
491.60%7750’
HITOCDepth
More rock eval analyses expectedshortly from thrust sheets
A185A185
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Max TOC - Upper Utica (platform) Max TOC - Upper Utica (platform + thrusts)
Maximum TOC Maximum TOC -- Upper Utica (deep thrusts)Upper Utica (deep thrusts)
Logan’sLine
A185A185
A179A179
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Maximum TOC Maximum TOC -- Upper Utica (deep thrusts)Upper Utica (deep thrusts)
Max TOC - Upper Utica (platform + thrusts)
8075.10%13500’
HITOCDepth
10-35(avg. 20)
2.00-3.00%(avg. 2.40%)
9100-9600’(>150 m)
122.90%9250’
242.38%4750’
HITOCDepth
A185A185
A179A179A185A185
A179A179
Logan’sLine
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ConclusionsConclusions
Three shale gas exploration fairways have been identifiedin the Utica / Lorraine sequence of the St. Lawrence Lowlands :
Shallow platform, biogenic/thermogenic playDeep platform, thermogenic playDeep thrusts, thermogenic play
A fourth exploration fairway pertaining mainly to the LorraineGroup is present in the southern part of the Lowlands, beingpossibly related to the reactivation of E-W transform or normalfaults originally formed during the Cambrian rifting of Laurentia
Additional results are expected shortly, especially from thedeeper, TOC-rich thrust sheets;Visit our website at http: // sigpeg.mrnf.gouv.qc.ca