Table 11.3b

Reports

Reports

Table 11.3b

Chapter 11 Table Gas Production from the Beaverhill Lake Group

View Table 11.3b as an image.

Gas production from the Beaverhill Lake Group is primarily derived from three sources, namely reefs in northeastern British Columbia and northwestern Alberta, the foothills of south-central Alberta, and as solution gas in the Swan Hills oil fields in central Alberta.

There are 30 Beaverhill Lake gas fields with Initial Established Marketable Gas Reserves of over 1000 x 106 m3 (35 BCF). The ten largest Beaverhill Lake gas fields, listed in order of Initial Established Marketable gas reserves, are shown n in Table 1. Cumulative production data include figures released to the end of 1990.

Table 1. Ten Largest Beaverhill Lake Gas Fields (in units of 106m3).

Initial Established
No. Field Formation No. of Pools Marketable Reserves In-place Volume Cumulative Production Discovery Year
1 Clarke Lake Slave Point 3 42,442 62,433 40,530 1956
2 Kaybob South Beaverhill L 3 36,589 104,754 18,798 1961
3 Hanlan Beaverhill L 2 25,479 42,465 7,318 1974
4 Caroline Beaverhill L 1 21,274 61,958 132 1986
5 Blackstone Beaverhill L 1 13,600 22,666 2,463 1979
6 Cranberry Slave Point 4 11,452 16,868 4,127 1974
7 Hamburg Slave Point 4 11,227 13,932 1,380 1983
8 Rosevear Beaverhill L 2 9,600 13,190 4,664 1971
9 Swan Hills SHM solution 2 9,011 36,601 8,521 1957
10 Judy Creek SHM solution 3 8,927 48,399 7,643 1959

The largest field, Clarke Lake, occurs along the Slave Point reef edge flanking the Horn River Basin in northeastern British Columbia. The next seven fields occur in stratigraphic traps at the up-dip edge of Swan Hills-Slave Point reefs. The most recent major discovery of Beaverhill Lake gas reserves was m the Caroline area in 1985.

Total recoverable gas reserves in the Beaverhill Lake are estimated at 262.4 x 106m3, of which 111.2 x 106m3 have already been produced. Initial Established In-Place Volume of Beaverhill Lake gas reserves totals 564.2 x 106m3. There are a total of 330 Beaverhill Lake gas pools, with an average 795 x 103m3 recoverable gas reserves/pool. Table 2 lists the distribution of Beaverhill Lake gas reserves according to In-Place Pool Size.

Table 2. Size Distribution of Beaverhill Lake Gas Pools (in units of 106m3).

In-Place Pool Size Class No. of Pools Recoverable Reserves Cumulative Production
1.0 to 10 78 328 3
10 to 100 136 2,292 74
100 to 1000 73 14,658 2,837
1000 to 10000 31 51,940 23,904
over 10000 12 193,215 84,406
Total 330 262,433 x 106m3 111,224 x 106m3