Table 29.1 Stress magnitudes measured by overcoring and micro-fracing in the Western Canada Sedimentary Basin.

 

Well or geographic site

Location shown on Fig. 29.7

Type of in-situ stress measurement method

Depth in metres below K.B.

SHmin in MPa

SV in MPa

SHmax in Mpa

Depth- normalized gradient of SHmin in kPa/m

Comments

Source

49.709oN, 112.935oW

Kipp Mine

Overcoring

152

3.0

3.6

4.3

19.7

All stresses measured

Kaiser et al., 1982

2-7-93-12W4

Oil Sands 1

Micro-frac

156

3.2

20.5

Oil sand

Proskin et al., 1990b

2-7-93-12W4

Oil Sands 1

Microfrac

170

4.7

27.6

Subcropping limestone

Proskin et al., 1990a

49.709o, 112.935oW

Kipp Mine

Overcoring

180

3.3

4.2

5.0

18.3

All stresses measured

Kaiser et al., 1982

5-2-86-7W4

Oil Sands 3

Micro-frac

187

4.2

22.5

Shale

Proskin et al., 1990a

1-16-95-7W4

Oil Sands 2

Micro-frac

210

4.3

20.5

Oil sand

Proskin et al., 1990b

1-16-95-7W4

Oil Sands 2

Micro-frac

220

4.2-4.4

19.1-20.0

Oil sand

Proskin et al., 1990a

5-2-867W4

Oil Sands 3

Micro-frac

235

3.2-3.6

13.6-15.3

Oil sand

Proskin et al., 1990a

5-2-86-7W4

Oil Sands 3

Micro-frac

237

5.3

22.4

Subcropping limestone

Proskin et al., 1990b

55.982oN, 113.355oW

Wabasca

Micro-frac

240

6.4

26.4

Settari and Raisbeck, 1978

4-35-84-11W4

Athabasca

Micro-frac

291

4.6

15.8

Leshchyshyn and Seyer, 1990

56.370oN, 111.000oW

Gregoire Lake

Micro-frac

317

5.6

17.7

Holzhausen et al., 1980

54.643oN, 110.188oW

Cold Lake

Micro-frac

Micro-frac

Micro-frac

417

420

420

9.8

7.9

9.1

23.5

16.7

21.7

Settari and Raisbeck, 1978

54.590oN, 110.364oW

Cold Lake

Micro-frac

457

9.0

19.7

Imperial Oil, 1978

10-28-28-24W3

Kindersley

Micro-frac

Micro-frac

Micro-frac

680

705

729

14.7

9.4

16.0

21.6

13.3

21.9

Talebi et al., 1991

8-23-67-8W6

Wapiti

Micro-frac

Micro-frac

Micro-frac

Micro-frac

Micro-frac

Micro-frac

1236

1242

1248

1254

1259.5

1264.5

30.1

31.0

32.1

34.0

30.3

32.3

24.1

25.1

25.8

27.2

24.1

25.6

McLellan, 1988a

C9-23-06-11W2

Midale

Micro-frac

1429.34

17.1-22.6

c.13.1

Horizontal well

McLellan et al., 1991

11-12-71-13W6

Elmworth

Micro-frac

2021.66

39.7-40.7

61.8-64.8

19.7

SHmax calculated

Wyman et al., 1980

3-8-12-12-W2

Regina

Micro-frac

2065

35.7

51.6

40.7

17.3

SHmaxSV calculated

McLennan et al., 1986

c-16-I-93-P-1

Elmworth

Micro-frac

Micro-frac

Micro-frac

Micro-frac

Micro-frac

2073

2095

2128

2149

2165

40.7

34.5

38.6

42.3

39.0

63.0-71.0

51.0-57.0

61.0-63.0

65.0-72.0

62.0-65.0

19.6

16.5

18.1

19.7

18.0

SHmax calculated

SHmax calculated

SHmax calculated

SHmax calculated

SHmax calculated

Kry and Gronseth, 1982

3-8-12-12W2

Regina

Micro-frac

Micro-frac

2168

2213

40.1

41.1

54.2

55.3

55.3

52.8

18.5

18.6

SHmaxSV calculated

SHmaxSV calculated

McLennan et al., 1986

10-16-69-11W6

Elmworth

Micro-frac

Micro-frac

2213

2241

30.0

36.0

40.0

51.0

13.6

16.1

SHmax calculated

SHmax calculated

Kry and Gronseth, 1982

c-16-I-93-P-1

Elmworth

Micro-frac

Micro-frac

Micro-frac

Micro-frac

Micro-frac

Micro-frac

Micro-frac

2669

2679

2699

2717

2740

2750

2765

45.1

44.3

45.2

44.0

46.2

45.1

46.6

62.0-63.0

60.0-77.0


59.0-71.0

16.9

16.5

16.7

16.2

16.9

16.4

16.9

SHmax calculated

SHmax calculated


SHmax calculated




Kry and Gronseth, 1982

1-12-35-7W5

Caroline

Micro-frac

Micro-frac

2992

2996

60.0

61.1

20.1

20.4

McLennan et al., 1982

 

Last modified: August 22, 2008
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