petroleum geology of saskatchewan -...
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Petroleum Geology of Saskatchewan
Melinda YurkowskiSaskatchewan Ministry of the Economy
Saskatchewan Geological Survey
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Image modified fromGeoscape Southern Saskatchewan
~ 570,000 km2 of Phanerozoic coverTotal volume estimated at 687,750 km3
Oil is produced from underground reservoirs ranging in depth from 415 to 2900 meters.
Oil and Gas pools
Over 35 Formations/Members produce in SK
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http://www.science.uwaterloo.ca/earth/waton/s0010.html
Insight: Oil migration and trapping
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Winnipegosis
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Image modified fromGeoscape Southern Saskatchewan
~ 570,000 km2 of Phanerozoic coverTotal volume estimated at 687,750 km3
Oil is produced from underground reservoirs ranging in depth from 415 to 2900 meters.
Oil and Gas pools
Over 35 Formations/Members produce in SK
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PNG Producers Western Canada Sedimentary Basin
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PNG Producers Western Canada Sedimentary Basin
G’
G
D’
D
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SaskatchewanAlbertaD D’
2000
1000
SeaLevel
-1000
-2000
-3000
-4000metres
500
Precambrian Basement
Phanerozoic (the‘sedimentary pile’)
1000
SeaLevel
-1000
-2000
-3000metres
Precambrian BasementPhanerozoic (the‘sedimentary pile’)
Saskatchewan Manitoba
500
ManitobaEscarpment
G G’
Alberta Saskatchewan
Saskatchewan Manitoba
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Image modified fromGeoscape Southern Saskatchewan
Medium
Light
Light to Medium
Heavy
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Image modified fromGeoscape Southern Saskatchewan
Shaunavon
Viking
Bakken
Mannville Heavy Oil
Mississippian
Torquay
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3,665
0
500
1000
1500
2000
2500
3000
3500
4000
4500
1982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015
total
Hz wells
575 To M
arch 31; 483
hz
Saskatchewan Oil and Gas Well Drilling
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13,082,610.71
3,382,010.99
1,174,989.63
24,579,582.52
2013 Hz oil Production (bbl)
19,380,561.23
3,719,766.15 2,522,695.48
23,140,544.80
2014 Hz oil Production (bbl)
Viking
L Shaunavon
Torquay
Bakken SE(inc BK‐TQ)
48,763,567.66 bbl unconventional187,603,840.1 bbl total26% of all production 2014
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0
20
40
60
80
100
120
140
160
180
200
Year
Light, Medium and Heavy Crude Oil Production in Saskatchewan
Crud
e Oil Prod
uctio
n (m
illion ba
rrels)
Light Oil
Medium Oil
Heavy Oil
2014 to end of December Numbers (bbls):Heavy: 73,267,266.6Medium: 40,749,594.9Light: 73,603,840.1 Total: 187,603,840.1
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Number of wells drilledin 2014 that were
put on production
Image modified fromGeoscape Southern Saskatchewan
Bakken‐Torquay
Mississippian
Shaunavon
Viking
Heavy Oil
VikingMississippian
Bakken ‐Torquay Other
Heavy Oil (primarily Mannville)
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Image modified fromGeoscape Southern Saskatchewan
Viking
Viking
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01/05‐33‐30‐22W3MDepth ~694.7m
• Proven initial oil‐in place ~ 2.3 billion barrels
• Recoverable Reserves based on vertical wells and waterfloodtechnology ~14 million barrels (9 per cent)
• Over 2 billion barrels presently unrecoverable
• Shallow target (600‐700 metres) of 36° API oil
• Existing infrastructure
Viking Oil Play
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Viking Oil and Gas wells
2009 and older
25T25
T30
T30
R28W3 R20W3 R12W3
Viking Oil and Gas wells 2009 and older
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Viking Oil and Gas wells
2009 and older
2010
T25
T30
T30
R28W3 R20W3 R12W3
Viking Oil and Gas wells
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2009 and older
2010
2011
T25
T30
T30
R28W3 R20W3 R12W3
Viking Oil and Gas wells
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2009 and older
2010
2011
2012
T25
T30
T30
R28W3 R20W3 R12W3
Viking Oil and Gas wells
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2009 and older
2010
2011
20122013
T25
T30
T30
R28W3 R20W3 R12W3
Viking Oil and Gas wells
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Viking Oil and Gas wells 2009 and older
2010
2011
20122013
2014 & 2015
T25
T30
T30
R28W3 R20W3 R12W3
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Image modified fromGeoscape Southern Saskatchewan
Bakken
Bakken and Torquay
Mississippian
Torquay
Bakken‐Torquay
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Mississippian – Torquay Stratigraphy
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T1
T10
T15
Viewfield
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Ryerson
Flat Lake, Northgate
Viewfield
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Middle Bakken
Upper Bakken
Lower BakkenTorquay
Birdbear
RyersonFlat Lake
Torquay Trapping
Mississippian
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0
50
100
150
200
250
300
350
400
450
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
3,000,000
3,500,000
4,000,000
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
PRD Monthly OIL (Bbl)PRD Well Count
Torquay and Bakken‐Torquay ProductionBb
l
Total oil production10,784,325 bbls
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