Petroleum Geology of Saskatchewan - WBPC

Petroleum Geology of Saskatchewan - WBPC

Petroleum Geology of Saskatchewan
Melinda Yurkowski
Saskatchewan Ministry of the Economy
Saskatchewan Geological Survey
Oil and Gas pools
~ 570,000 km2 of Phanerozoic cover
Total volume estimated at 687,750 km3
Image modified from
Geoscape Southern Saskatchewan
Over 35 Formations/Members produce in SK
Oil is produced from underground reservoirs ranging in depth from 415 to 2900 meters.
Insight: Oil migration and trapping
http://www.science.uwaterloo.ca/earth/waton/s0010.html
Winnipegosis
Oil and Gas pools
~ 570,000 km2 of Phanerozoic cover
Total volume estimated at 687,750 km3
Image modified from
Geoscape Southern Saskatchewan
Over 35 Formations/Members produce in SK
Oil is produced from underground reservoirs ranging in depth from 415 to 2900 meters.
PNG Producers Western Canada Sedimentary Basin
PNG Producers Western Canada Sedimentary Basin
D’
D
G’
G
D
Alberta
Alberta
Saskatchewan
Saskatchewan
D’
2000
1000
500
Sea Level
-1000
Phanerozoic (the‘sedimentary pile’)
-2000
Precambrian Basement
-3000
-4000
metres
Saskatchewan
G
Saskatchewan
Manitoba
Manitoba
G’
Manitoba
Escarpment
1000
500
Sea Level
Phanerozoic (the‘sedimentary pile’)
-1000
-2000
-3000
metres
Precambrian Basement
Light
Heavy
Medium
Light to Medium
Image modified from
Geoscape Southern
Saskatchewan
Mannville Heavy Oil
Viking
Shaunavon
Bakken Torquay Mississippian Image modified from
Geoscape Southern
Saskatchewan
4500
Saskatchewan Oil and Gas Well Drilling
4000
total
3000
2500
2000
1500
1000
Hz wells
575 To March 31; 483 hz
3500
3,665
500
0
1982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015
2013 Hz oil Production (bbl)
48,763,567.66 bbl unconventional
187,603,840.1 bbl total
26% of all production 2014
13,082,610.71 24,579,582.52 3,382,010.99 2014 Hz oil Production (bbl)
1,174,989.63 Viking
19,380,561.23 23,140,544.80 L Shaunavon
Torquay
2,522,695.48 Bakken SE
(inc BK‐TQ)
3,719,766.15 200
Crude Oil Production (million barrels)
180
160
140
120
Light, Medium and Heavy Crude Oil Production in Saskatchewan
2014 to end of December Numbers (bbls):
Heavy: 73,267,266.6
Medium: 40,749,594.9
Light: 73,603,840.1 Total: 187,603,840.1
Light Oil
100
Medium Oil
80
60
Heavy Oil
40
20
0
Year
Bakken ‐Torquay
Other
Number of wells drilled
in 2014 that were put on production
Mississippian
Viking
Heavy Oil (primarily Mannville)
Heavy Oil
Viking
Shaunavon
Mississippian
Image modified from
Geoscape Southern
Saskatchewan
Bakken‐Torquay
Viking
Viking
Image modified from
Geoscape Southern
Saskatchewan
01/05‐33‐30‐22W3M
Depth ~694.7m
Viking Oil Play • Proven initial oil‐in place ~ 2.3 billion barrels
• Recoverable Reserves based on vertical wells and waterflood
technology ~14 million barrels (9 per cent)
• Over 2 billion barrels presently unrecoverable
• Shallow target (600‐700 metres) of 36° API oil
• Existing infrastructure
R28W3
T30
R20W3
R12W3
Viking Oil and Gas wells Viking Oil and Gas wells 2009 and older
2009 and older
T30
25
T25
R28W3
T30
R20W3
R12W3
Viking Oil and Gas wells Viking Oil and Gas wells 2009 and older
2010
T30
T25
R28W3
T30
R20W3
R12W3
Viking Oil and Gas wells 2009 and older
2010
2011
T30
T25
R28W3
T30
R20W3
R12W3
Viking Oil and Gas wells 2009 and older
2010
2011
2012
T30
T25
R28W3
T30
R20W3
R12W3
Viking Oil and Gas wells 2009 and older
2010
2011
2012
2013
T30
T25
R28W3
T30
R20W3
R12W3
Viking Oil and Gas wells 2009 and older
2010
2011
2012
2013
T30
T25
2014 & 2015
Bakken and Torquay
Mississippian
Bakken
Torquay
Bakken‐Torquay
Image modified from
Geoscape Southern
Saskatchewan
Mississippian – Torquay Stratigraphy
T15
Viewfield
T10
T1
Viewfield
Flat Lake, Northgate
Ryerson
Torquay Trapping
Upper Bakken
Mississippian
Middle Bakken
Lower Bakken
Torquay
Birdbear
Flat Lake
Ryerson
4,000,000
Torquay and Bakken‐Torquay Production
3,500,000
400
450
PRD Monthly OIL (Bbl)
PRD Well Count
Total oil production
10,784,325 bbls
3,000,000
350
300
2,500,000
250
200
1,500,000
150
1,000,000
100
500,000
50
0
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
0
1997
Bbl
2,000,000