Fields: HALFF
Cum Oil
277k BBL
Cum Gas
4k MCF
casinghead
Wells
137
Production
1993-01 — 2024-06
Peak Month
1993-10
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil: 277,442 BBL Cum Gas: 4,271 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
2,549 BBL/mo
Di (annual)
11.6%
b-factor
0.0
EUR
261,857 BBL
R-squared
0.802
type
exponential
Operator History (from monthly production reports)
Wells (137)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 1009 | 42-105-34996 | ECOWELL OIL AND GAS LLC | 2 | 2,100 | 1997-08-07 |
| 1308 | 42-105-34987 | ECOWELL OIL AND GAS LLC | 2 | 1,940 | 1997-08-07 |
| 2121 | 42-105-34983 | ECOWELL OIL AND GAS LLC | 2 | 2,000 | 1997-07-03 |
| 1701 | 42-105-01605 | ECOWELL OIL AND GAS LLC | 1 | 1,792 | 1997-06-10 |
| 1701W | 42-105-01605 | ECOWELL OIL AND GAS LLC | 1 | 1,792 | 1997-06-10 |
| 2804 | 42-105-35137 | ECOWELL OIL AND GAS LLC | 1 | 1,720 | 1985-10-08 |
| 2303 | 42-105-35132 | ECOWELL OIL AND GAS LLC | 1 | 1,860 | 1985-09-23 |
| 1310 | 42-105-35104 | ECOWELL OIL AND GAS LLC | 1 | 1,950 | 1985-08-27 |
| 1311 | 42-105-35102 | ECOWELL OIL AND GAS LLC | 1 | 2,130 | 1985-08-27 |
| 1406 | 42-105-35103 | ECOWELL OIL AND GAS LLC | 1 | 2,140 | 1985-08-27 |
| 1407 | 42-105-35101 | ECOWELL OIL AND GAS LLC | 1 | 2,140 | 1985-08-27 |
| 1506 | 42-105-35108 | ECOWELL OIL AND GAS LLC | 1 | 1,990 | 1985-08-27 |
| 1507 | 42-105-35098 | ECOWELL OIL AND GAS LLC | 1 | 1,970 | 1985-08-27 |
| 1508 | 42-105-35105 | ECOWELL OIL AND GAS LLC | 1 | 2,000 | 1985-08-27 |
| 1705 | 42-105-35097 | ECOWELL OIL AND GAS LLC | 1 | 2,180 | 1985-08-27 |
| 1706 | 42-105-35099 | ECOWELL OIL AND GAS LLC | 1 | 1,940 | 1985-08-27 |
| 1806 | 42-105-35100 | ECOWELL OIL AND GAS LLC | 1 | 1,975 | 1985-08-27 |
| 7018 | 42-105-35106 | ECOWELL OIL AND GAS LLC | 1 | 1,950 | 1985-08-27 |
| 7019 | 42-105-35107 | ECOWELL OIL AND GAS LLC | 1 | 2,180 | 1985-08-27 |
| 2004 | 42-105-34988 | ECOWELL OIL AND GAS LLC | 1 | 1,780 | 1985-01-23 |
| 2119 | 42-105-34989 | ECOWELL OIL AND GAS LLC | 1 | 1,860 | 1985-01-23 |
| 2120 | 42-105-34986 | ECOWELL OIL AND GAS LLC | 1 | 2,010 | 1985-01-23 |
| 2122 | 42-105-34984 | ECOWELL OIL AND GAS LLC | 1 | 1,790 | 1985-01-23 |
| 2123 | 42-105-34985 | ECOWELL OIL AND GAS LLC | 1 | 1,770 | 1985-01-23 |
| 2124 | 42-105-34978 | ECOWELL OIL AND GAS LLC | 1 | 1,750 | 1985-01-21 |
| 1404 | 42-105-34729 | ECOWELL OIL AND GAS LLC | 1 | 2,000 | 1984-01-19 |
| 1606 | 42-105-34737 | ECOWELL OIL AND GAS LLC | 1 | 2,000 | 1984-01-19 |
| 2116 | 42-105-34738 | ECOWELL OIL AND GAS LLC | 1 | 1,750 | 1984-01-19 |
| 2118 | 42-105-34739 | ECOWELL OIL AND GAS LLC | 1 | 1,900 | 1984-01-19 |
| 2205 | 42-105-34740 | ECOWELL OIL AND GAS LLC | 1 | 1,750 | 1984-01-19 |
| 1008 | 42-105-34564 | ECOWELL OIL AND GAS LLC | 1 | 2,090 | 1983-09-08 |
| 2115 | 42-105-34560 | ECOWELL OIL AND GAS LLC | 1 | 1,810 | 1983-08-29 |
| 2117 | 42-105-34565 | ECOWELL OIL AND GAS LLC | 1 | 1,845 | 1983-08-29 |
| 7009 | 42-105-34079 | ECOWELL OIL AND GAS LLC | 1 | 2,200 | 1982-06-25 |
| 7010 | 42-105-34078 | ECOWELL OIL AND GAS LLC | 1 | 2,200 | 1982-06-25 |
| 7011 | 42-105-34077 | ECOWELL OIL AND GAS LLC | 1 | 2,200 | 1982-06-25 |
| 7012 | 42-105-34076 | ECOWELL OIL AND GAS LLC | 1 | 2,200 | 1982-06-25 |
| 808 | 42-105-34072 | ECOWELL OIL AND GAS LLC | 1 | 2,200 | 1982-06-25 |
| 1001D | 42-105-02450 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1003 | 42-105-10259 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1004 | 42-105-10260 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1005 | 42-105-10261 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1007 | 42-105-31004 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1101W | 42-105-02448 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1301 | 42-105-00960 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1302 | 42-105-10125 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1305 | 42-105-10127 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1306W | 42-105-10128 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1401 | 42-105-03389 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1402W | 42-105-03391 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1403 | 42-105-03394 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1501W | 42-105-03388 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1502 | 42-105-03390 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1503 | 42-105-80591 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1504W | 42-105-03396 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1505W | 42-105-03397 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1601 | 42-105-80592 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1602W | 42-105-01340 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1603 | 42-105-80593 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1604W | 42-105-11099 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1605 | 42-105-31005 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1702W | 42-105-01608 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1703 | 42-105-80595 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1704 | 42-105-80596 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1801W | 42-105-01607 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1802W | 42-105-01610 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1803 | 42-105-01613 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1804 | 42-105-01617 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1901W | 42-105-01606 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1902W | 42-105-01611 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1903 | 42-105-01614 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 1904 | 42-105-01618 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2001 | 42-105-00419 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2002 | 42-105-03392 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2003W | 42-105-03395 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2103 | 42-105-80603 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2104W | 42-105-02137 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2105 | 42-105-80606 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2106W | 42-105-00317 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2107 | 42-105-80609 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2108 | 42-105-00320 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2109W | 42-105-00321 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2110 | 42-105-80613 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2114 | 42-105-31006 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2201W | 42-105-01335 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2202 | 42-105-01339 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2203W | 42-105-01343 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2204 | 42-105-01346 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2301 | 42-105-01609 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2302W | 42-105-01616 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2401 | 42-105-03175 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2501 | 42-105-01604 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2701 | 42-105-00355 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2702 | 42-105-03171 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2801 | 42-105-03217 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2802 | 42-105-03218 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2803 | 42-105-03219 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 2901 | 42-105-01334 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3001D | 42-105-00303 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3002D | 42-105-00308 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3006D | 42-105-00318 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3101W | 42-105-03234 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3102 | 42-105-03235 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3201W | 42-105-01600 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3202W | 42-105-01601 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3203 | 42-105-01602 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3301W | 42-105-01369 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3302 | 42-105-80621 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3303 | 42-105-01371 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3701 | 42-105-10120 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3801 | 42-105-80622 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 3802 | 42-105-80623 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 4001D | 42-105-00302 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 5001 | 42-105-80625 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 6001 | 42-105-80626 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 6002 | 42-105-80627 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 6003W | 42-105-01354 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 6004 | 42-105-80628 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7001W | 42-105-01336 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7002 | 42-105-80629 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7003W | 42-105-01345 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7004W | 42-105-01348 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7005W | 42-105-01350 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7006 | 42-105-80630 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7007W | 42-105-01352 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 7008 | 42-105-80631 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 8001 | 42-105-00306 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 8001W | 42-105-00306 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 8002 | 42-105-00310 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 8003W | 42-105-00314 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 8004 | 42-105-00316 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 8005 | 42-105-20153 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 8006 | 42-105-20152 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 9001W | 42-105-00305 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 9002W | 42-105-00309 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 9003 | 42-105-80636 | ECOWELL OIL AND GAS LLC | -- | -- | -- |
| 9004W | 42-105-00315 | ECOWELL OIL AND GAS LLC | -- | -- | -- |