SE Oklahoma Woodford History and Present Day Completion

SE Oklahoma Woodford History and Present Day Completion

SE Oklahoma Woodford History
and Present Day Completion Activity
Bill Grieser Sr. Technical Specialist 5/23/07
2
OGS
3
Tulsa County
Payne County
4
Dewey County
Wagoner County
Kingfisher County
Logan County
Blaine County
799
Creek County
8698
6191
9864
Lincoln County
Okmulgee County
Custer County
Muskogee Coun
Oklahoma County
Canadian County
8582
8493
8754
8836
Okfuskee County
7805
Washita County
3008
3149
McIntosh County
3721
3865
3805
3308
10296
Pottawatomie County
Cleveland County
4231
4038
Caddo County
Seminole County
4085
4801
4808
4847
4854
4872
7573
5151
4959
8167
5552
6525
5691
4020
5840
6745
4069
6284
6994
7374
7267
8198
8217
2137
6792
2933
6298
6392
7667
8012
8481
8212
8202
8705
8277
8002
6328
8798
6756
8735
8545
8393
8337
8448
8307
8206
8290
8388
6883
8049
8410
8476
8479
7184
7438
8095
8694
8793
10032
7639
7937
8504 9534
8014
8227
4478
8567
7641
7866
8687
5892
8
599
7452
5444
5252
7555
7407
7222
7648
873211096
Hughes County
5543
5571
5110
4247
4276
2045
666
Kiowa County
Grady County
McClain County
Pittsburg County
11002
9603
8288
14923
7844
2497
Pontotoc County
Garvin County
Comanche County
Latim
Coal County
Stephens County
6599
2709
7153
Murray County
Pushmataha Cou
4411
5976
7389
6849
6954
Tillman County
Cotton County
Carter County
Jefferson County
Atoka County
6284
6159
6540
5930
6049
6457
7088
3740
3446
3738
5245
3766
5176
7098
3721
8670
7697
7800
9140
8922
9809
Wichita County
Love County
601
4892
Johnston County
974
4094
4397
3668
4483
4501
5121
10264
4778
4627
4973
3350
Marshall County
Choctaw County
Bryan County
5
WOODFORD HISTORICAL PRODUCTION 1979-2007
Woodford shale production
150 Woodford wells with one perforated interval
1979-1998 PetroData Source
Bryan
2
Average daily production
Caddo
9
OIL BPD Gas Mcf/d
Canadian
6
max
14.8
1547
Carter
37
min
0.03
0.13
Garvin
25
average
2.29
123
Grady
21
median
1.5
68
Hughes
1
Average yearly production
Love
1
McClain
7
bbl/yr.
MCF/Yr
Marshall
28
max
68,895 1,090,088
Mayes
2
min
6
33
Murray
1
average
6,129
117,957
Pittsburg
1
median
3,142
48,512
Pontotoc
Seminole
Stephens
1
1
7
150
Cumulative production from 150 Woodford wells
oil
3,069,542 bbl
gas
111,007,972 mcf
6
7
Caney Shale & Woodford Shale by month average rig counts (Southeastern Oklahoma)
35.0
8
ATOKA
COAL
HUGHES
MARSHALL
MCINTOSH
PITTSBURG
30.0
6.0
25.0
6.5
20.0
4.2
0.0
5.0
0.0
0.0
1.0
0.0
2.0
6.8
5.3
0.0
15.0
2.4
1.2
1.0
2.3
0.0
0.0
7.2
1.0
0.0
3.0
0.0
4.0
1.3
1.0
10.0
2.5
0.0
15.8
1.8
0.0
5.0
7.0
6.0
0.0
5.8
1.5
1.5
10.3
0.0
1.0
2.5
11.0
9.6
1.3
6.3
6.6
3.0
3.0
5.5
0.0
2.2
0.0
0.0
Aug-04
Sep-04
Oct-04
Nov-04
Dec-04
1.0
1.0
1.0
1.0
0.0
0.0
0.0
0.0
0.0
0.0
Feb-05
Mar-05
Apr-05
May-05
Jun-05
Jul-05
1.0
4.0
1.8
1.0
2.6
1.0
1.0
0.0
0.0
0.0
2.8
2.0
1.8
3.4
3.3
3.6
3.0
3.0
2.0
Jan-07
0.0
1.0
1.0
0.0
1.0
Dec-06
0.0
0.0
Nov-06
0.0
1.0
0.0
Oct-06
0.0
0.0
1.0
Sep-06
0.0
0.0
0.0
Aug-06
0.0
1.0
2.0
Jul-06
0.0
1.0
0.0
1.5
0.0
Jun-06
1.0
1.0
3.3
May-06
1.0
1.8
0.0
3.0
Apr-06
1.0
0.0
1.0
Mar-06
1.0
1.0
1.0
Feb-06
1.0
1.0
1.0
Jan-06
1.0
Jul-04
1.0
1.0
0.0
Dec-05
0.0
1.5
1.0
1.0
0.0
Nov-05
0.0
0.0
0.0
Oct-05
0.0
Jun-04
0.0
1.0
0.0
May-04
1.0
0.0
1.0
Apr-04
0.0
Jan-05
0.0
1.5
1.0
Sep-05
1.0
0.0
0.0
Aug-05
0.0
Mar-04
Rig Count Average
6.5
SE
35.4
OKLAHOMA
WOODFORD
9
43 RIGS
35.2
35
HUGHES
PITTSBURG
34.8
COAL
34.6
34.4
ATOKA
-96.4
-96.3
-96.2
-96.1
Longitude
-96
-95.9
-95.8
-95.7
Woodford
Peak
Gas
Production
10
35.2
35.1
35
Hughes
34.9
Pittsburg
34.8
34.7
= 4-5 mmcf/d
=2-3 mmcf/d
34.6
=1-2 mmcf/d
Coal
34.5
=0.75-1 mmcf/d
=0.3-0.5 mmcf/d
34.4
Atoka
-96.3
-96.2
-96.1
LONGITUDE
-96
-95.9
-95.8
11
Cardott www.ogs.ou.edu/oilgas.php
Brittle Shale
170 ft.
Brittle Shale
High TOC
Brittle Shale
13
WOODFORD HORIZONTAL
13 3/8" 9 5/8" to 600-4500 ft.
9 7/8" or 8.75-8.5" hole to TD
7" Intermediate if needed
KOP @ 7800 ft. 8-12/100ft.
5.5" 4.5" 11000 ft. MD 8500 ft. TVD
Lateral Length 2000-4000 ft.
14
15
Completion Method most commonly used in the
Woodford are:
1)Cased cemented multi stage with pump down
PKR and guns
2) Mechanical/ BHA assemblies multi stage
CEMENTED MULTI STAGE WITH PUMP DOWN GUN AND FRAC PLUG
Injection at
high rate
Cemented TCP Perforated first stage
Staged with Composite Frac Plug and select fire gun
18
MECHANICAL DEVICES
Open or Cased Hole BHA
Packer. OD
Packer
ID
Sleeve
Size
Sleeve OD
Sleeve ID
Hole Size
3.75”
1.94”
2 3/8”
3.61”
1.877”
3.875”
4.63”
1.94”
2 7/8”
4.21”
2.315”
4.75”
5.875”
2.94”
3 _”
4.93”
2.752”
6.25”
6.0”
3.75”
4 _”
5.75”
3.75”
6.5”
8.39”
4.67”
5 _”
7.75”
4.67”
8.75”
Multiple Stage With Sleeves and Swell Packers
ONE DAY COMPLETIONS
Swell Packers & Frac Sleeves
Swell Packers
Frac Sleeves
19
20
SIMUL-FRAC Simultaneous Hydraulic Fracture Stimulation
Less
complex
region
Longer
extension
Well A
High
complex
region
Well B
Less
complex
region
Longer
extension
21
SPACING/LENGTH DEFINITION
Distance between clusters
Spacing (SP) = (SL) – ΣCL
(NC-1)
Overall Stimulation Length (SL)
Number of Clusters (NC)
Sum of Cluster Lengths (ΣCL)
Stage Span (SS) = stage bottom perf – stage top perf
SL
CL
SP
SS
WOODFORD STIMULATION AVERAGES
number of stages
Horizontal length Ft.
TVD Ft.
Stage Span Ft.
TD MD
Number of holes/stage
Net Pay Ft.
Gal/ft.
lbs/ft.
acid per stage gal.
gal. per stage
lbs/stage
average ppg
average rate
BPM/Hole
Average WHTP
Average frac gradient
3-8
2500-3500
7900-9100
400-600
10000-12000
80-100
350-400
1000-2000
300-550
5000-11000
500,000-850,000
150,000-200,000
0.2-0.3
70-90
0.7-1.0
5000-6000
0.7-0.75
22
23
FIRST12_GAS VS Peak mcf/d
OK WOODFORD
1400000
12 month cum = 101.76(mcf/d)
2
R = 0.6648
1200000
12 month cum mcf
1000000
800000
600000
400000
200000
0
0
2000
4000
6000
peak mcf/d
8000
10000
12000
24
FIRST12 BBL VS Peak BOPD OK WOODFORD
70000
12 month BBL = 86.883(BOPD)
2
R = 0.6593
60000
12 month cum BBL
50000
40000
30000
20000
10000
0
0
100
200
300
400
Peak BOPD
500
600
700
800
25
N TX BARNETT
SE OK WOODFORD
Production Comparison Barnett Woodford
Average Peak Gas
2000
1823
1800
1600
1711
BARNETT Qh/Qv = 2.3
Peak Gas MCF/D
1400
1200
Woodford Qh/Qv = 3.9
Woodfrod
Barnett
1000
754
800
600
1026
459
3784
400
200
69
30
0
Vert
Vertical Gas Yield per ft.
Horz
Barnett 1.88 scf/d per ft
Woodford 3.0 scf/d per ft.
QUESTIONS?
Bill Grieser Sr. Technical Specialist 5/23/07