Saskatchewan Oil & Gas Show

Weyburn, Saskatchewan

  Oil Exploration and Development in Southeast Saskatchewan

1. The first commercial Bakken well to be drilled in S.E. Sask. was Barnwell Roncott 01 9-34-5-25 W2M in January 1956. This well first produced oil in March 1956 and had produced 33,907.2 cubic meters of oil before being abandoned in 1990.
2. First significant drilling was by a subsidiary of Imperial Oil in 1942 called Radville No. 1   16-36-5-19 W2M to a depth of 2,426 meters.
3. The aggregate Bakken production for 2010 is 3,406,000 cubic metres.
4. First Mississippian formation oil production came from the well Central Leduc Oil Hoffer 5-30-1-15 W2M in January, 1953
5. First unit was the Alida Unit formed on December 1, 1957.
6. First waterflood was in Steelman Unit 1 which commenced operation in 1958.
7. First gas plant was the Steelman Gas Plant which commenced operation in 1958.
8. First horizontal well was Shell Midale U EOR Hzntl C9-23-6-11 W2M with a finished drilling date of July 14, 1989.
9. The deepest well was Home Dome Torquay 3-8-1-11 W2M drilled in 1985 to 3,394.9 metres.
10. The longest well was Oklahoma Continental Resources (OCRI) Lake Alma HZ 1A3-24-3C15-23-1-17 W2M drilled in 2004 to 4,800 metres.
11. The most productive well to date has been Imperial Tidewater Queensdale 4-10-6-34 W1M which produced 416,239 cubic metres of oil as of December 31, 2010.   The first production day for this well was July 26, 1957 with 171.3 cubic metres of oil, 12.1 cubic metres of gas and 0 cubic metres of water for the month of July.
12. The highest oil production rate recorded was from Sceptre Gainsborough N. HZ C5-5-A3-5-3-30 W1M at 10,194 cubic metres per month or 329 cubic metres per day in May, 1990.
13. The drilling record was set in 2008 with 1,400 wells drilled.
14. The oil production record was set in 1997 with 9,814,045 cubic metres.
15. The cumulative production for the Bakken-Torquay zone as of December 2010 is 392,491.9 cubic metres.
16. The total number of wells drilled in the area to the end of 2010 was 34,961.
17. The total number of active oil producing wells as of December 2010 was 10,792.
18. First injection of CO2 for a commercial project was in September 2000, by Pan Canadian Petroleum in the Weyburn Midale unit.
19. Apache Canada began the second commercial CO2 injection project in October 2005 as an expansion of the Midale field in S.E. Sask.

Bakken yearly production numbers and average producing well counts