Pratt oil field, vertical Madison wells: file number, test date; max monthly production; total cumulative --
- 12828, 7/90, 905 bbls, 41K, now AB,
- 12645, 7/89, 196 bbls, 22K, now AB,
- 12553, 5/89, 151 bbls, 10K, still A, producing 3 - 4 bbls/month,
- 12449, 9/88, 870 bbls, 70K, still A, producing 125 bbls/month,
- 12461, 8/88, 566 bbls, 36K, still A, producing 25 bbls/month,
- 12448, 7/88, 571 bbls, 67K, now IA,
- 3696, 10/64, 770 bbls, 89K, still A, producing less than 3 bbls/month,
- 3315, 2/63, 1321 bbls, 128K, now IA,
- 3298, 12/62, dry
- 33156, 439, Sedalia Energy, Pratt Madison Unit 3H, Pratt, t1/17; cum 56K 78/17; note: at this post, a graphic showing how Sedalia Energy drilled three laterals from one Madison well;
Madison wells are not fracked; no stimulation. In addition, these have been short laterals, so far. Vertical depth at 4,000 feet is about half that of a Bakken well. Madison wells typically don't have the "dreaded" Bakken decline rate. Shallow, short laterals, no fracking, and steady production over many years; previously Madison wells were simply vertical wells; now horizontal wells.This is really quite a nice well, Sedalia, #33156 (production profile updated July 27, 2017):
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
MADISON | 6-2017 | 30 | 6161 | 6058 | 39770 | 0 | 0 | 0 |
MADISON | 5-2017 | 31 | 6661 | 6706 | 40892 | 0 | 0 | 0 |
MADISON | 4-2017 | 30 | 7786 | 7790 | 42191 | 0 | 0 | 0 |
MADISON | 3-2017 | 31 | 9087 | 9374 | 46420 | 0 | 0 | 0 |
MADISON | 2-2017 | 28 | 11439 | 11005 | 45914 | 0 | 0 | 0 |
MADISON | 1-2017 | 11 | 3586 | 3335 | 36484 | 0 | 0 | 0 |
Pratt oil field:
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Vertical vs Horizontal Madison Oil Wells In Pratt Oil Field
First six months of three vertical Pratt oil field wells. NOTE "RUNS" in the vertical wells for the first three months - zero bbls (which I don't understand). Again, file number, date tested, maximum production in any single month, status:
3315, 2/63, 1321 bbls, 128K, now IA:
MADISON | 4-1963 | 29 | 1062 | 0 | 685 | 0 | 0 | 0 |
MADISON | 3-1963 | 23 | 1321 | 0 | 423 | 0 | 0 | 0 |
MADISON | 2-1963 | 13 | 917 | 0 | 299 | 0 | 0 | 0 |
3696, 10/64, 770 bbls, 89K, still A, producing less than 3 bbls/month:
MADISON | 12-1964 | 31 | 668 | 0 | 922 | 0 | 0 | 0 |
MADISON | 11-1964 | 30 | 770 | 0 | 1055 | 0 | 0 | 0 |
MADISON | 10-1964 | 16 | 529 | 0 | 530 | 0 | 0 | 0 |
12449, 9/88, 870 bbls, 70K, still A, producing 125 bbls/month:
MADISON | 11-1988 | 27 | 612 | 0 | 1789 | 0 | 0 | 0 |
MADISON | 10-1988 | 29 | 639 | 0 | 900 | 0 | 0 | 0 |
MADISON | 9-1988 | 29 | 870 | 0 | 580 | 0 | 0 | 0 |
Compare with the recently reported horizontal Madison well in the same field (repeated from above):
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
MADISON | 3-2017 | 31 | 9087 | 9374 | 46420 | 0 | 0 | 0 |
MADISON | 2-2017 | 28 | 11439 | 11005 | 45914 | 0 | 0 | 0 |
MADISON | 1-2017 | 11 | 3586 | 3335 | 36484 | 0 | 0 | 0 |
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Madison Formation
The Madison formation is tracked here. It should be noted that there are many incredible vertical (conventional) Madison wells in North Dakota. Some of these Madison wells are tracked over at "Monster Wells."
Just one example:
- 7274, 1,100/PA, Whiting, Big Stick (Madison) Unit 2502, Big Stick, t5/80; cum 2.05 million 11/94
MADISON | 12-1982 | 31 | 30129 | 30242 | 1624 | 35971 | 35550 | 25 |
MADISON | 11-1982 | 30 | 31236 | 31444 | 925 | 31958 | 30866 | 651 |
MADISON | 10-1982 | 31 | 33349 | 33150 | 830 | 45992 | 42875 | 2577 |
MADISON | 9-1982 | 30 | 32695 | 32622 | 2181 | 46864 | 41232 | 5062 |
MADISON | 8-1982 | 31 | 35027 | 35365 | 2144 | 55837 | 53911 | 1332 |
MADISON | 7-1982 | 31 | 37066 | 36951 | 2748 | 51541 | 46141 | 4701 |
MADISON | 6-1982 | 30 | 36167 | 35869 | 765 | 43515 | 42259 | 722 |
MADISON | 5-1982 | 31 | 39555 | 40583 | 1095 | 50177 | 44941 | 4726 |
MADISON | 4-1982 | 30 | 39085 | 37964 | 1205 | 46243 | 42372 | 3409 |
MADISON | 3-1982 | 31 | 39704 | 39687 | 1006 | 37163 | 36707 | 0 |
MADISON | 2-1982 | 28 | 36513 | 36647 | 862 | 35988 | 34157 | 1414 |
MADISON | 1-1982 | 31 | 43256 | 43113 | 894 | 33240 | 32802 | 0 |
MADISON | 12-1981 | 31 | 43135 | 43423 | 848 | 37243 | 36835 | 0 |
MADISON | 11-1981 | 30 | 42634 | 42294 | 452 | 37914 | 37430 | 76 |
MADISON | 10-1981 | 31 | 44072 | 44276 | 232 | 37533 | 36001 | 1109 |
MADISON | 9-1981 | 30 | 41838 | 41642 | 461 | 37171 | 36751 | 0 |
MADISON | 8-1981 | 31 | 42264 | 42280 | 265 | 41021 | 40544 | 0 |
MADISON | 7-1981 | 31 | 46920 | 46922 | 27192 | 42045 | 38637 | 2973 |
MADISON | 6-1981 | 30 | 36818 | 36795 | 3260 | 28205 | 27587 | 412 |
MADISON | 5-1981 | 31 | 38418 | 39090 | 7454 | 37772 | 35136 | 2399 |
MADISON | 4-1981 | 27 | 35583 | 34920 | 5805 | 22502 | 21349 | 748 |
MADISON | 3-1981 | 31 | 33025 | 32991 | 3275 | 35153 | 34036 | 652 |
MADISON | 2-1981 | 28 | 34892 | 35679 | 290 | 10791 | 10371 | 0 |
MADISON | 1-1981 | 31 | 40800 | 40148 | 1757 | 29531 | 27848 | 1218 |
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