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NORRIS UPPER MANNVILLE H POOL DEVELOPMENT POTENTIAL
NORRIS UPPER H MANNVILLE POOL
- 22° API, 850 meters
- Infill drilling
- Water flood optimization
- Proprietary 3-D seismic
- ASP tertiary flood potential
POOL HISTORY
The Upper Mannville H Pool was discovered in 1979 with the 11-24-053-18W4 discovery well. Production began in 1980 and cumulative production to date is 2,556 Mbbl. Based on Company mapping the original-oil-in-place (OOIP) is 14,278 Mbbl and recovery to date averages 18%.
Pressure data, seismic interpretation and geological mapping indicates the pool is compartmentalized into south and northern pods. The northern pod appears to be under developed and under pressured, lacking the water injection support of the southern pod. Individual area recoveries are listed below:
RECENT WORK
The Company drilled the 16-24-053-18W4 well in January – February, 2011 to delineate the Glauconitic C zone’s eastern extent and validate the seismic interpretation. As expected the well encountered 3 m of pay and > 21% porosity and has recently been placed on production. Gas production from the well has been increasing and is currently at 532 Mcf/d and is expected to transition to oil. The well was modelled to reach 20 bbl/d and recover 80 Mbbl of oil reserves.
2011 PLANS
Development plans include drilling 9 additional wells, 7 producers and 2 water injection wells in the northern pod. Also two wells will be converted to water injectors to repressure the reservoir. The pool will then be at 20 acre well spacing with injection capacity modeled after the southern pool. Ultimate recovery in the northern pod is expected to reach 26% (the southern pod is currently 23%), or 1,593 Mbbl. Estimated incremental reserves are 623 Mbbl.
NORRIS MANNVILLE H – ASP UPSIDE POTENTIAL - OOIP is 14.3 MMbbl
The Norris Mannville ‘H’ Pool is an excellent candidate for an Alkaline Surfactant Polymer (ASP) tertiary flooding project. Based on analogous ASP floods, applying this tertiary recovery method may recover approximately 1.6 MMbbl of incremental oil reserves.
WRENTHAM ASP ANALOGUE
The ASP process was initially introduced in Canada by Husky Energy and applied to the Wrentham ‘C’ Pool. Husky commenced the Wrentham ‘C’ Pool ASP in 2001 and completed it in 2009. As a result of the ASP flood, the Wrentham ‘C’ Pool oil production more than doubled and the water cut was reduced from over 97% to 80%. Based on publically available data an additional 15% of the 13.3 MMbbl of original-oil-in-place (OOIP) was recovered (incremental oil recovery of 2.0 MMbbl). More recently the operator of the Mooney Bluesky Pool (16° API) has announced a successful ASP pilot project with estimated incremental recovery of 18%. They are proceeding to a larger scale commercial project and have applied to the Alberta Government for royalty relief.