exploration review THE BAKKEN AT ANTLER AND SINCLAIR

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EXPLORATION REVIEW The range of reservoir pressures of the Sinclair Field Bakken Formation ranges from 8,261 kPa (1,198 psi) to 10,609 kPa (1,539 psi). The average reservoir temperature from DST data is 28.5 °C. The oil is light at 40º API. The typical vertical well comes on stream at about 30 bopd, which it maintains for the first three months or so, before stabilizing in the 8-12 bopd range after about six months. The normalized production chart ( top opposite page) illustrates this average daily production performance of Sinclair wells for the number of months on stream. The production chart ( bottom opposite page) traces the production history of the Bakken in the Sinclair Field from its humble beginning in early 2003 with just a few barrels per month from a few wells, to over 200,000 barrels per month from about 180 wells. A bubble map ( page B42) shows the production distribution of current producers from the Bakken in the Sinclair Field, and seems to imply that production has much room for further expansion within the field. The Bakken play at Sinclair and Antler continues to draw participants. Tundra, the major operator, has made great strides over the last year, drilling almost 200 wells and increasing production almost by 6000 bopd in the Sinclair Field and other areas during the year 2005. The Sinclair Field has now spilled over into Saskatchewan. The new wells are transforming the landscape, and filling in blanks on well location maps, making this the busiest drilling year in Manitoba since 1955, when the Virden Field was being drilled up. The activity is awakening the town of Sinclair, which was a stressed farming community fighting the effects of the BSE crisis and low grain Porosity Permeability Cross-Plot 100 10 Permeability (mD) y = 0.0431e 24.948x 1 0 0 0.1 0.2 Porosity (Fraction) SINCLAIR FIELD PHI-K PLOT SW MANITOBA FROM DAVIDSON & GOMPF, 2006 Canadian DiscoveryLtd. B40 VOLUME 5 2006 CANADIAN DISCOVERY DIGEST
Normalized Sinclair Well Production Performance BAKKEN LIGHT OIL 32 28 Production bopd Daily 24 20 16 12 Daily Production bopd 8 4 0.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Month Figure 17- Normalized Production for a Sinclair Well SINCLAIR WELLS - NORMALIZED PERFORMANCE SW MANITOBA MODIFIED FROM DAVISDON & GOMPF, 2006) Canadian DiscoveryLtd. 0 20 40 60 80 100 120 140 160 180 200 2003 Nbr of Wells (#) Canadian DiscoveryLtd. 2004 Time 16 2005 Monthly Oil (bbl) 2.5E5 2.3E5 2.0E5 1.8E5 1.5E5 1.3E5 1.0E5 7.5E4 5.0E4 2.5E4 0 2006 Cum Oil/Cnd (bbl): Cum Gas (mcf): Cum Wtr (bbl): 1172671 0 354048 Canadian DiscoveryLtd. SINCLAIR FIELD PRODUCTION HISTORY SW MANITOBA WWW.CANADIANDISCOVERY.COM B41
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Page 15 and 16: 00/03-33-010-29W1/0 KB: 536.2 m RR:
Page 17 and 18: 00/09-09-008-29W1/0 KB: 529.4 m RR:
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