Saltwater Disposal Wells in Cass County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
24
Permitted Capacity
97,300 bbl/d
Injected 12mo (thru 2025-06)
3.6M bbl
UIC Permits All Time
230
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Plugged | KILDARE /WEST GLOYD/ UNIT #1201 | 42-067-00349 | KILLINGSWORTH OIL CO | UIC | 0 | -- | -- |
| Cancelled | BRYANS MILL UNIT #3R | 42-067-30385 | SHELL WESTERN E&P INC | UIC | 0 | -- | -- |
| Plugged | RODESSA SWD #1 | 42-067-30462 | BRISTOL RES CORP | Disposal | 0 | -- | -- |
| Cancelled | RODESSA -U- WATERFLOOD UNIT 1 #2I | 42-067-30098 | SHELL WESTERN E&P INC | Injection | 0 | -- | 6,240 |
| Plugged | HAZELWOOD UNIT #301 | 42-067-80148 | KILLINGSWORTH, S. H. EST. OF | Injection | 0 | -- | 5,970 |
| Plugged | KILDARE /EAST GLOYD/ UNIT #2303 | 42-067-00327 | KILLINGSWORTH OIL CO | Injection | 0 | -- | 6,006–6,025 |
| Plugged | KILDARE /WEST GLOYD/ UNIT #1301 | 42-067-80132 | KILLINGSWORTH OIL CO | UIC | 0 | -- | -- |
| Plugged | KILDARE /WEST GLOYD/ UNIT #101 | 42-067-00265 | KILLINGSWORTH OIL CO | UIC | 0 | -- | -- |
| Plugged | KILDARE /WEST GLOYD/ UNIT #201 | 42-067-00267 | KILLINGSWORTH OIL CO | UIC | 0 | -- | -- |
| Plugged | KILDARE /WEST GLOYD/ UNIT #4703 | 42-067-00264 | KILLINGSWORTH OIL CO | UIC | 0 | -- | -- |
| Plugged | KILDARE /EAST GLOYD/ UNIT #1501W | 42-067-00389 | KILLINGSWORTH OIL CO | UIC | 0 | -- | -- |
| Plugged | KILDARE /PETTIT/WATER FLOOD UNIT #1308 | 42-067-00293 | KILLINGSWORTH, S. H. EST. OF | UIC | 0 | -- | 3,905 |
| Plugged | CARBONDALE UNIT #1W | 42-067-01017 | SHELL WESTERN E&P INC | Injection | 0 | -- | 9,662–9,698 |
| Plugged | BRYANS MILL UNIT #2WS | 42-067-00095 | SHELL WESTERN E&P INC | UIC | 0 | -- | 4,798 |
| Plugged | HAYNES /MITCHELL/ UNIT #6304 | 42-067-80124 | BEACON PETRO CORP | UIC | 0 | -- | 1,000–1,001 |
| Plugged | CARBONDALE UNIT #3 | 42-067-01015 | SHELL WESTERN E&P INC | UIC | 0 | -- | 9,619–9,686 |
| Cancelled | BRYANS MILL UNIT #4WS | 42-067-30324 | SHELL WESTERN E&P INC | UIC | 0 | -- | -- |
| Plugged | FRIENDSHIP FIELD ANHYDRITE UNIT #1 | 42-067-00210 | SKLAR & PHILLIPS OIL CO | Injection | 0 | -- | -- |
| Plugged | WHATLEY, LEX "B" #2 | 42-067-00399 | KILLINGSWORTH OIL CO | UIC | 0 | -- | -- |
| Plugged | HAYNES /MITCHELL/ UNIT #5902W | 42-067-00529 | BEACON PETRO CORP | UIC | 0 | -- | -- |
| Plugged | HAZELWOOD UNIT #201 | 42-067-80147 | KILLINGSWORTH, S. H. EST. OF | UIC | 0 | -- | -- |
| Plugged | HAZELWOOD UNIT #101W | 42-067-00454 | KILLINGSWORTH, S. H. EST. OF | UIC | 0 | -- | -- |
| Plugged | FRIENDSHIP FIELD ANHYDRITE UNIT #4 | 42-067-00209 | SKLAR & PHILLIPS OIL CO | Injection | 0 | -- | -- |
| Plugged | HAYNES /MITCHELL/ UNIT #5501W | 42-067-00450 | BEACON PETRO CORP | UIC | 0 | -- | -- |
| Plugged | HAYNES /MITCHELL/ UNIT #5302W | 42-067-00453 | BEACON PETRO CORP | UIC | 0 | -- | -- |
| Plugged | HAZELWOOD UNIT #501W | 42-067-80150 | KILLINGSWORTH, S. H. EST. OF | UIC | 0 | -- | -- |
| Plugged | BRYANS MILL UNIT #1 | 42-067-00126 | SHELL WESTERN E&P INC | UIC | 0 | -- | -- |
| Plugged | HAYNES /MITCHELL/ UNIT #4305W | 42-067-00534 | BEACON PETRO CORP | UIC | 0 | -- | -- |
| Plugged | LEMMON-STUART UNIT #1 | 42-067-00214 | GOLDSBERRY OPER CO., INC | UIC | 0 | -- | -- |
| Plugged | BRYANS MILL UNIT #1GI | 42-067-00116 | SHELL WESTERN E&P INC | UIC | 0 | -- | 10,503–10,610 |
page 3 of 3 · 230 wells
Source: RRC UIC well master and H-10 injection filings. H-10s are annual filings on staggered anniversaries — injected volumes shown through 2025-06, the newest month with complete reporting; recent months are never estimated.