Saltwater Disposal Wells in Cochran County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
956
Permitted Capacity
1.2M bbl/d
Injected 12mo (thru 2025-06)
30.7M bbl
UIC Permits All Time
2,112
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Cancelled | POLVADO, R. L. #10 | 42-079-00000 | GRUY PETRO MANAGEMENT CO | Injection | 1,500 | -- | 4,750–5,050 |
| Plugged | IGOE-SMITH OPER. AREA #56W | 42-079-00639 | OCCIDENTAL PERMIAN LTD | Injection | 1,500 | -- | 4,995–5,077 |
| Plugged | MAGNUM LEVELLAND UNIT #501 | 42-079-32907 | QUANTUM RES MANAGEMENT,LLC | Injection | 1,500 | -- | 4,770–5,050 |
| Plugged | IGOE-SMITH OPER. AREA #44W | 42-079-01137 | TEXACO INC | Injection | 1,500 | -- | 4,971–5,013 |
| Plugged | MAGNUM LEVELLAND UNIT #408 | 42-079-32912 | BREITBURN OPER L.P | Injection | 1,500 | -- | 4,750–5,053 |
| Plugged | IGOE-SMITH OPER. AREA #42W | 42-079-01135 | OCCIDENTAL PERMIAN LTD | Injection | 1,500 | -- | 4,985–5,052 |
| Plugged | SEABOARD - WRIGHT #15 | 42-079-30445 | ATAPCO | Injection | 1,200 | -- | 4,694–4,762 |
| Inactive | SOUTH MALLET UNIT #347 | 42-079-31827 | WINN OPER, LLC | Injection | 1,200 | -- | 4,800–5,200 |
| Inactive | SOUTH MALLET UNIT #345 | 42-079-30333 | WINN OPER, LLC | Injection | 1,200 | -- | 4,800–5,200 |
| Plugged | MORTON UNIT #0502W | 42-079-32242 | A.C.T. OPER CO | Injection | 1,200 | -- | 4,708–4,868 |
| Plugged | MALLET LAND & CATTLE CO. "F" #3W | 42-079-02252 | TEXACO E & P INC | Injection | 1,200 | -- | 4,800–5,200 |
| Plugged | WEST LEVELLAND UNIT #100W | 42-079-02563 | APC OPER PARTNERSHIP | Injection | 1,050 | -- | 4,363–4,900 |
| Plugged | DEAN, C. S. "A" #144W | 42-079-20039 | APC OPER PARTNERSHIP | Injection | 1,035 | -- | 4,255–5,200 |
| Plugged | BUCKSHOT EAST #429W | 42-079-01262 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,964–5,076 |
| Plugged | BUCKSHOT EAST #427W | 42-079-01266 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,940–5,054 |
| Inactive | MALLET UNIT #112AW | 42-079-00000 | HILCORP ENGY CO | Injection | 1,000 | -- | 4,850–5,150 |
| Plugged | BUCKSHOT UNIT #288W | 42-079-00972 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,977–5,087 |
| Plugged | DUGGAN SLAUGHTER UNIT #34BW | 42-079-02343 | PENNZOIL EXPL & PROD. CO | Injection | 1,000 | -- | 5,016–5,040 |
| Inactive | BOYD MALLET UNIT #85 | 42-079-30818 | EXTEX OPER CO | Injection | 1,000 | -- | 4,950–5,065 |
| Plugged | MALLET LAND & CATTLE CO. #12 | 42-079-00234 | THREE SPAN OIL & GAS, INC | Injection | 1,000 | -- | 4,977–5,021 |
| Plugged | DUGGAN SLAUGHTER UNIT #171CW | 42-079-00617 | TEXACO E & P INC | Injection | 1,000 | -- | 5,052–5,078 |
| Plugged | CONOCO-DEAN UNIT #43W | 42-079-00472 | CONOCO INC | Injection | 1,000 | -- | 4,967–5,058 |
| Plugged | DEAN UNIT #1W | 42-079-31054 | REEF EXPL, L.P | Injection | 1,000 | -- | 4,993–5,104 |
| Plugged | CONOCO-DEAN UNIT #123 | 42-079-30806 | LEGACY RESERVES OPER LP | Injection | 1,000 | -- | 4,928–5,018 |
| Plugged | MALLET UNIT #1104 | 42-079-30204 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,850–5,200 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #59 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,049–5,059 |
| Plugged | CONOCO-DEAN UNIT #26W | 42-079-02512 | CONOCO INC | Injection | 1,000 | -- | 4,954–5,072 |
| Plugged | DEAN UNIT "B" #8W | 42-079-00271 | TEXACO INC | Injection | 1,000 | -- | 4,997–5,026 |
| Plugged | FROST #126W | 42-079-01736 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,944–5,049 |
| Plugged | BOYD MALLET UNIT #42W | 42-079-01812 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,969–5,049 |
| Plugged | NORTH CENTRAL LEVELLAND UNIT #26W | 42-079-01447 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 4,785–4,832 |
| Cancelled | MALLET UNIT #1162W | 42-079-00000 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 4,850–5,150 |
| Plugged | BUCKSHOT UNIT #105W | 42-079-00115 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,939–5,050 |
| Plugged | DEAN UNIT "B" #113W | 42-079-01847 | TEXACO INC | Injection | 1,000 | -- | 540–50,640 |
| Plugged | BOYD #53W | 42-079-30530 | LAKEWOOD OPER, LTD | Injection | 1,000 | -- | 4,780–5,250 |
| Plugged | BUCKSHOT UNIT #98W | 42-079-00849 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | -- |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #19 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 4,991–5,047 |
| Plugged | CONOCO-DEAN UNIT #115 | 42-079-30557 | LEGACY RESERVES OPER LP | Injection | 1,000 | -- | 4,948–5,013 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #43 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,049–5,063 |
| Inactive | REED WRIGHT "B" #21 | 42-079-32420 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,710–4,910 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #53 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,037–5,048 |
| Plugged | NORTH-WRIGHT #D 6 | 42-079-02403 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,700–4,920 |
| Plugged | DUGGAN SLAUGHTER UNIT #181AW | 42-079-00618 | MERIT ENGY CO | Injection | 1,000 | -- | 4,990–5,050 |
| Inactive | MALLET UNIT #115 | 42-079-01468 | HILCORP ENGY CO | Injection | 1,000 | -- | 4,850–5,150 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #55 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,053–5,065 |
| Plugged | BUCKSHOT UNIT #34W | 42-079-00032 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,966–5,064 |
| Plugged | BUCKSHOT UNIT #13W | 42-079-00031 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,944–5,055 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #41 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,060–5,070 |
| Plugged | BUCKSHOT UNIT #12W | 42-079-01763 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,950–5,040 |
| Plugged | BOYD #28W | 42-079-00188 | OXY USA WTP LP | Injection | 1,000 | -- | 4,780–5,250 |
| Plugged | FROST #286W | 42-079-01715 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,952–5,065 |
| Plugged | MALLET UNIT #138H | 42-079-01480 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 4,850–5,150 |
| Plugged | FROST #284W | 42-079-01745 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,915–5,030 |
| Plugged | FROST #263W | 42-079-01901 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,911–5,024 |
| Plugged | MALLET UNIT #1115W | 42-079-30502 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,850–5,150 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #15 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 4,980–5,057 |
| Plugged | MALLET UNIT #114W | 42-079-01492 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,850–5,150 |
| Plugged | FROST #246W | 42-079-01553 | UNITED OIL & MINERALS, INC | Injection | 1,000 | -- | 4,944–5,050 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #35 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,026–5,097 |
| Inactive | DEAN "I" #24 | 42-079-32630 | EXTEX OPER CO | Injection | 1,000 | -- | 4,900–5,200 |
| Plugged | BUCKSHOT UNIT #244W | 42-079-00361 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,921–5,033 |
| Plugged | DEAN, C. S. "A" #101W | 42-079-20095 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 4,950–5,064 |
| Inactive | DEAN "I" #23 | 42-079-32629 | EXTEX OPER CO | Injection | 1,000 | -- | 4,900–5,200 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #40 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,054–5,070 |
| Cancelled | DEAN, C.S. "H" #5 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,005–5,032 |
| Plugged | DEAN UNIT "B" #138W | 42-079-10039 | TEXACO INC | Injection | 1,000 | -- | 5,066–5,074 |
| Plugged | FROST #189W | 42-079-01738 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,965–5,084 |
| Plugged | DEAN UNIT "B" #122W | 42-079-01852 | TEXACO INC | Injection | 1,000 | -- | 5,062–5,078 |
| Cancelled | DEAN, C.S. "H" #8 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,025–5,059 |
| Plugged | CONOCO-DEAN UNIT #28W | 42-079-02500 | CONOCO INC | Injection | 1,000 | -- | 4,998–5,075 |
| Plugged | BUCKSHOT UNIT #174W | 42-079-01274 | UNITED OIL & MINERALS, INC | Injection | 1,000 | -- | 4,986–5,103 |
| Cancelled | DEAN, C.S. "H" #4 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,008–5,047 |
| Inactive | MALLET UNIT #1116 | 42-079-31957 | HILCORP ENGY CO | Injection | 1,000 | -- | 4,850–5,150 |
| Plugged | FROST #168W | 42-079-00041 | UNITED OIL & MINERALS, INC | Injection | 1,000 | -- | 4,946–5,057 |
| Plugged | CONOCO-DEAN UNIT #107W | 42-079-30551 | LEGACY RESERVES OPER LP | Injection | 1,000 | -- | 4,948–5,026 |
| Plugged | BUCKSHOT UNIT #94W | 42-079-02286 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,982–5,092 |
| Plugged | DUGGAN SLAUGHTER UNIT #87AW | 42-079-01163 | MERIT ENGY CO | Injection | 1,000 | -- | 5,068–5,084 |
| Plugged | DUGGAN SLAUGHTER UNIT #221BW | 42-079-00632 | PENNZOIL EXPL & PROD. CO | Injection | 1,000 | -- | 5,030–5,084 |
| Plugged | CONOCO-DEAN UNIT #89W | 42-079-30037 | CONOCO INC | Injection | 1,000 | -- | 4,949–5,016 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #17 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 4,983–5,045 |
| Plugged | DEAN, C. S. "A" #169W | 42-079-02063 | TEXACO PRODUCING INC | Injection | 1,000 | -- | 4,978–5,081 |
| Plugged | DEAN UNIT "B" #2W | 42-079-00261 | TEXACO INC | Injection | 1,000 | -- | 4,994–5,036 |
| Plugged | NORTH CENTRAL LEVELLAND UNIT #263A | 42-079-31572 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 4,813–4,854 |
| Plugged | WRIGHT, J.M. UNIT #32 | 42-079-00139 | WALSH PETRO, INC | Injection | 1,000 | -- | 4,936–5,062 |
| Plugged | DEAN, C. S. "A" #102W | 42-079-20097 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 4,950–5,050 |
| Plugged | DUGGAN SLAUGHTER UNIT #17AW | 42-079-01156 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 5,057–5,084 |
| Plugged | BUCKSHOT UNIT #132W | 42-079-02291 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,972–5,084 |
| Plugged | MALLET UNIT #701W | 42-079-01499 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,850–5,150 |
| Plugged | NORTH CENTRAL LEVELLAND UNIT #139W | 42-079-01655 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 4,560–5,000 |
| Plugged | BUCKSHOT UNIT #130W | 42-079-02281 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,945–5,060 |
| Plugged | DEAN, C. S. "A" #115W | 42-079-02059 | TEXACO PRODUCING INC | Injection | 1,000 | -- | 4,922–5,023 |
| Cancelled | ROWLAND UNIT #1 | 42-079-32544 | WALKING X OIL CO | Disposal | 1,000 | -- | 4,250–4,950 |
| Plugged | DEAN UNIT #B 4 | 42-079-02465 | CROSSROADS ENGY PTRS, LLC | Injection | 1,000 | -- | 5,037–5,092 |
| Inactive | BOYD MALLET UNIT #89 | 42-079-32574 | EXTEX OPER CO | Injection | 1,000 | -- | 4,970–5,090 |
| Inactive | WRIGHT, STUART P. #7 | 42-079-32962 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,710–4,910 |
| Plugged | NORTH-WRIGHT #C 18 | 42-079-31609 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,700–4,904 |
| Plugged | BUCKSHOT UNIT #216W | 42-079-00842 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,987–5,036 |
| Plugged | CHANDLER-MAGUIRE UNIT #1 | 42-079-31627 | BROCK OIL & GAS CORP | Injection | 1,000 | -- | 4,924–4,949 |
| Plugged | BUCKSHOT UNIT #90W | 42-079-01750 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,934–5,064 |
| Plugged | CONOCO-DEAN UNIT #12W | 42-079-02504 | CONOCO INC | Injection | 1,000 | -- | 5,004–5,020 |
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.