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.	S_Hmin in MPa	S_V in MPa	S_Hmaxin Mpa	Depth- normalized gradient of S_Hmin in kPa/m	Comments	Source
49.709^oN, 112.935^oW	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
49.709^o, 112.935^oW	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
55.982^oN, 113.355^oW	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
56.370^oN, 111.000^oW	Gregoire Lake	Micro-frac	317	5.6			17.7		Holzhausen et al., 1980
54.643^oN, 110.188^oW	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
54.590^oN, 110.364^oW	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	S_Hmax calculated	Wyman et al., 1980
3-8-12-12-W2	Regina	Micro-frac	2065	35.7	51.6	40.7	17.3	S_HmaxS_V 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	S_Hmax calculated S_Hmax calculated S_Hmax calculated S_Hmax calculated S_Hmax 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	S_HmaxS_V calculated S_HmaxS_V 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	S_Hmax calculated S_Hmax 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	S_Hmax calculated S_Hmax calculated S_Hmax 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