- 34225, 907, Oasis, Nelson 5298 11-14 3B, Banks, t1/19; cum 138K 4/19;
- 35005, 449, Whiting, Larson 44-12-4H, Corinth, t12/18; cum 42K 4/19;
- 34980, 1,107, Whiting, Schilke 24-21-1H, Big Stone, t12/18; cum 82K 4/19;
- 34225, 907, Oasis, Nelson 5298 11-14 3B, 50 stages; 6 million lbs, Banks, t1/19; cum 138K 4/19;
- TD: 21,100 feet
- proppant: 100 mesh; 40/70 white; 30/50 white; and, 30/50 CRC
- 13 miles north of Watford City
- second of three wells to be drilled south on this pad
- from surface casing to TD: 12 days (the lateral took less than 3 days)
- re-entered on May 27, 2018
- curve landed at 11,981 TVD, approx 13' below the upper Bakken shale
- the lateral was completed using one assembly
- upper Bakken, entered at 10,950'; characterized by elevated background, often exceeding 2,000 units
- middle Bakken, entered at 10,968; so again, the upper Bakken shale about 20 feet thick
- middle Bakken: background gases ranged fro 600 to 3,500 units, while several exceeded 4,000 units
- overall formation dip was about -0.2 degrees
- the lateral was drilled in less than 3 days from casing exit to total depth
- the wellbore was completed 90% within target, opening 9,744 feet
- considered a success:
- maximum exposure to target
- minimal days from re-entry to total depth
- no shale strikes
- no sidetracks
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
BAKKEN | 4-2019 | 30 | 31116 | 31117 | 16664 | 68578 | 65998 | 2160 |
BAKKEN | 3-2019 | 31 | 31394 | 31894 | 21802 | 79205 | 76215 | 2990 |
BAKKEN | 2-2019 | 28 | 26466 | 26759 | 23315 | 73447 | 71214 | 1841 |
BAKKEN | 1-2019 | 31 | 30266 | 30124 | 29315 | 71672 | 65517 | 5721 |
BAKKEN | 12-2018 | 20 | 18435 | 17751 | 30717 | 36907 | 30671 | 5956 |
************************************
The Whiting Schilke well in the Big Stone oil field:
- 34980, 1,107, Whiting, Schilke 24-21-1H, 36 stages; 6.2 million lbs, Big Stone, t12/18; cum 82K 4/19;
- TD: 19,576 feet
- 36-stage plug and perf
- spud: July 21, 2018
- cease drilling: August 2, 2018
- KOP: in the Lodgepole at 9,318' measured depth
- Lodgepole: 9,179' TVD
- False Baken: 9,682'
- Scallion: 9,686'
- upper Bakken: 9,693'; background gas averaged 917 units; max of 1,914 units
- middle Bakken: 9,707 (the upper Bakken was about 14 feet thick); gas readings average 787 units with a maximum of 3,134 units;
- target window: 15' thick; set at 16' below the base of hte upper Bakken
- majority of the wellbore was drilled within the target window; 100% within the middle Bakken
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
BAKKEN | 4-2019 | 30 | 11612 | 11489 | 20470 | 29246 | 0 | 29161 |
BAKKEN | 3-2019 | 24 | 10686 | 11416 | 17465 | 24906 | 0 | 24841 |
BAKKEN | 2-2019 | 26 | 15798 | 15691 | 23792 | 26458 | 0 | 26393 |
BAKKEN | 1-2019 | 31 | 28605 | 29427 | 44550 | 36257 | 0 | 36179 |
BAKKEN | 12-2018 | 22 | 14854 | 13266 | 55603 | 19426 | 0 | 19366 |
******************************************
- 35005, 449, Whiting, Larson 44-12-4H, 35 stages; 6 million lbs, Corinth, t12/18; cum 42K 4/19;
- 35-stage plug and perf
- TD: 19,421 feet
- spud date: July 7, 2018
- cease drilling: July 16, 2018
- Lodgepole: 9,149' TVD
- False Bakken: 9,665'
- Scallion: 9,668'
- upper Bakken: 9,676'; gas readings averaged 1,480 units; max of 2,198 units
- middle Bakken: 9,687' (upper Bakken was about 11 feet; gas averaged 98 units; a max of 1,101 units
- lateral: gas averaged 293 units; max of 2,198 units
- target window was 10 feet thick; the target window was set 18 feet below the base of the upper Bakken
- the majority of the wellbore was drilled just underneath the target window but 100% within the middle Bakken
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
BAKKEN | 4-2019 | 29 | 5016 | 4784 | 14448 | 15430 | 7332 | 8024 |
BAKKEN | 3-2019 | 31 | 8066 | 8665 | 24962 | 27018 | 2688 | 24242 |
BAKKEN | 2-2019 | 26 | 11050 | 11207 | 30207 | 27634 | 6031 | 21530 |
BAKKEN | 1-2019 | 18 | 10504 | 11605 | 24652 | 19281 | 0 | 19241 |
BAKKEN | 12-2018 | 19 | 7446 | 5434 | 31665 | 12473 | 0 | 12422 |
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