Transcript Granite Wash Overview - Oklahoma Geological Survey

MID CONTINENT WASH PLAYS
+ 3600 Wash wells
NW-SE 30 Miles Wide 160 Miles Long
Historical Data
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Oklahoma Geological Survey Circular
1-6, 2001
Average Production for “Wash” wells –
Anadarko Basin
– 1,150 MMCF with 24 MBO
Cherokee Wash Middle – 3,241 MMCF
Cherokee Wash Lower – 2,061 MMCF
Red Fork Wash – 1,161 MMCF
Cleveland Wash – 1,012 MMCF
Granite Wash – 726 MMCF
Atoka Wash – 385 MMCF
1,985 Total Wells included in this
study
–
Paul W. Smith, Walter J. Hendrickson
and Ronald J. Woods
2003
Historical Granite Wash
Production
Cumulative Gas = 1.88 TCF
Cumulative Oil = 61,400,000 BBL
Gas Well
Oil Well
Water
1.0 BCF
99,400 BBL
440,000 BBL
Granite Wash Completions
965
900
800
700
665
634
600
563
500
400
300
265
230
182
200
87
82
100
35
22
0
1955
1960
1965
1970
1975
1980
Binned year
1985
1990
1995
2000
2005
2010
Buffalo Wallow Drainage Area’s
2686 Granite Wash Gas Producers
OKLAHOMA
TEXAS
36
35.8
35.6
35.4
35.2
35
34.8
34.6
34.4
-102
-101
-100
LONGITUDE
-99
-98
Cumulative Frequency Plot Granite Wash GAS Production BCF
100.00%
90.00%
80.00%
% of Wells
70.00%
60.00%
50.00%
40.00%
30.00%
20.00%
10.00%
0.3 BCF
0.00%
0
0.5
1
1.5
2
2.5
CUM GAS BCF
3
3.5
4
4.5
5
1296 Granite Wash Average Peak Gas MCF/D By County
3180
2954
3000
2500
2275
2000
1910
1732
1727
1671
1500
1403
1705
1771
1441
1312
1000
500
0
BECKHAM ... CARSON (...
GRAY (TX)
HEMPHILL... HUTCHINS... MOORE (TX) POTTER (...
COUNTY
ROBERTS ... ROGER MI... STEPHEN... WASHITA (... WHEELER...
922 Granite Wash Oil Producers
TEXAS
OKLAHOMA
36
35.8
35.6
35.4
35.2
35
34.8
34.6
34.4
-102
-101
-100
LONGITUDE
-99
-98
Cumulative Frequency Plot Granite Wash Oil Production
100%
90%
80%
70%
% of Wells
60%
50%
40%
30%
20%
10%
4344 BBL
0%
0
10000
20000
30000
40000
50000
CUM BBL OIL
60000
70000
80000
90000
100000
130 Granite Wash Average Peak Oil BOPD By County
509
500
404
400
327
300
288
276
266
266
233
204
200
160
142
149
139
111
100
0
BECKHA... CARSON... CIMARR... COMANC... GRAY (TX) HARTLE... HEMPHI...
COUNTY
HUTCHI...
MOORE (... OLDHAM... ROBERT... ROGER ... WASHIT... WHEELE...
FIRST12_GAS VS PEAK MCF/D
GRANITE WASH
9000000
12 month MCF = 172.62(peak mcf/d)
R2 = 0.7896
8000000
12 month gas cum MCF
7000000
6000000
5000000
4000000
3000000
2000000
1000000
0
0
5000
10000
15000
20000
peak mcf/d
25000
30000
35000
FIRST12 BBL VS Peak BOPD
GRANITE WASH
600000
12 month cum BBL = 158.47(peak BOPD)
R2 = 0.7857
500000
12 Month BBL
400000
300000
200000
100000
0
0
500
1000
1500
Peak BOPD
2000
2500
GRANITE WASH MINERALOGY
70
60
50
40
30
20
10
0
Quartz
Feldspar
Calcite
Dolomite
Kaolinite
Illite
Smectite
Mixed
Layer
Chlorite
Pyrite
Siderite
Anhydrite
Granite Wash Grain Density
10
9
8
Grain Density
7
6
5
4
3
2
1
0
2.57
2.58
2.59
2.6
2.61
2.62
2.63
Number
2.64
2.65
2.66
2.67
2.68
2.69
GRANITE WASH WASHITA CO OK
Mineral
Weight %
RhoB g/cc
Neutron Por.
Quartz
25-84
2.65
-1
Plagioclase
3-35
2.69
-1.1
K-Feldspar
5-25
2.56
-1.4
Calcite
0-23
2.71
0
Dolomite
0-8
2.87
0.9
Na-Feldspar
0-30
2.62
-1.1
Illite
0-10
2.66
9.5
Chlorite
0-10
2.80
38
Wash A
Shale
Wash B
Shale
Wash C
Shale
Wash D
800 ft. Span
75 ft. Granite Wash
Core Permeability and Porosity Comparison
1000
100
Air Permeability md
10
1
0.1
0.01
0.001
0
2
4
6
8
10
Core Porosity %
12
14
16
18
QUESTIONS?