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) |
|---|---|---|---|---|---|---|---|
| Inactive | IGOE-SMITH OPER. AREA #105 | 42-079-32625 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 1,500 | -- | 4,800–5,200 |
| Cancelled | POLVADO, R. L. #10 | 42-079-00000 | GRUY PETRO MANAGEMENT CO | Injection | 1,500 | -- | 4,750–5,050 |
| Plugged | LANEY, J. D. ET AL #8A | 42-079-31699 | SOGO III LLC | Injection | 1,500 | -- | 4,800–5,040 |
| Plugged | IGOE-SMITH OPER. AREA #56W | 42-079-00639 | OCCIDENTAL PERMIAN LTD | Injection | 1,500 | -- | 4,995–5,077 |
| Cancelled | SLAUGHTER ESTATE I #1 | 42-079-31432 | C & S OPERATING | Injection | 1,500 | -- | 4,814–4,840 |
| Plugged | PRAIRIE DOG #1 | 42-079-32063 | BAXTER, KELLY H. OIL AND GAS CO | Injection | 1,500 | -- | 4,774–4,968 |
| Plugged | MALLET LAND & CATTLE CO. "F" #3W | 42-079-02252 | TEXACO E & P INC | 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 | 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 |
| 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 | CONOCO-DEAN UNIT #1W | 42-079-01428 | CONOCO INC | Injection | 1,000 | -- | 4,956–5,054 |
| Plugged | CONOCO-DEAN UNIT #4W | 42-079-01419 | MERIT ENGY CO | Injection | 1,000 | -- | 4,918–4,972 |
| Plugged | BOYD #50WX | 42-079-33012 | OXY USA WTP LP | Injection | 1,000 | -- | 4,780–5,250 |
| Plugged | CONOCO-DEAN UNIT #7W | 42-079-01423 | LEGACY RESERVES OPER LP | Injection | 1,000 | -- | 4,877–5,004 |
| Inactive | BOYD MALLET UNIT #79 | 42-079-30047 | EXTEX OPER CO | Injection | 1,000 | -- | 4,800–5,165 |
| Plugged | DUGGAN SLAUGHTER UNIT #651BW | 42-079-00717 | MERIT ENGY CO | Injection | 1,000 | -- | 5,008–5,061 |
| Plugged | CONOCO-DEAN UNIT #8W | 42-079-01420 | CONOCO INC | Injection | 1,000 | -- | 4,954–5,047 |
| Plugged | CONOCO-DEAN UNIT #12W | 42-079-02504 | CONOCO INC | Injection | 1,000 | -- | 5,004–5,020 |
| Plugged | CONOCO-DEAN UNIT #56W | 42-079-02493 | CONOCO INC | Injection | 1,000 | -- | 5,003–5,040 |
| Plugged | DUGGAN SLAUGHTER UNIT #341AW | 42-079-00659 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 5,009–5,061 |
| Plugged | DUGGAN SLAUGHTER UNIT #451AW | 42-079-00681 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 5,002–5,063 |
| Plugged | CONOCO-DEAN UNIT #18W | 42-079-02351 | CONOCO INC | Injection | 1,000 | -- | 4,930–4,996 |
| Plugged | DUGGAN SLAUGHTER UNIT #291AW | 42-079-00649 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 5,014–5,056 |
| Plugged | DUGGAN SLAUGHTER UNIT #321AW | 42-079-00655 | MERIT ENGY CO | Injection | 1,000 | -- | 4,989–5,062 |
| Plugged | CONOCO-DEAN UNIT #59W | 42-079-00488 | CONOCO INC | Injection | 1,000 | -- | 4,998–5,070 |
| Plugged | DUGGAN SLAUGHTER UNIT #181AW | 42-079-00618 | MERIT ENGY CO | Injection | 1,000 | -- | 4,990–5,050 |
| Plugged | DUGGAN SLAUGHTER UNIT #151BW | 42-079-00620 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 5,004–5,104 |
| Plugged | DUGGAN SLAUGHTER UNIT #191BW | 42-079-00623 | TEXACO E & P INC | Injection | 1,000 | -- | 5,035–5,090 |
| Inactive | NORTH-WRIGHT #E 17 | 42-079-31719 | WALKABOUT OPER, LLC | Injection | 1,000 | -- | 4,675–4,900 |
| 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 |
| 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 | DEAN UNIT "B" #77W | 42-079-01855 | TEXACO INC | Injection | 1,000 | -- | 5,046–5,060 |
| Plugged | NORTH-WRIGHT #C 18 | 42-079-31609 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,700–4,904 |
| Inactive | WRIGHT, STUART P. #7 | 42-079-32962 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,710–4,910 |
| Plugged | DUGGAN SLAUGHTER UNIT #34BW | 42-079-02343 | PENNZOIL EXPL & PROD. CO | Injection | 1,000 | -- | 5,016–5,040 |
| Plugged | BUCKSHOT UNIT #105W | 42-079-00115 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,939–5,050 |
| Plugged | BUCKSHOT UNIT #94W | 42-079-02286 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,982–5,092 |
| Inactive | WRIGHT, ANNE #5 | 42-079-32193 | WALKABOUT OPER, LLC | Injection | 1,000 | -- | 4,700–4,900 |
| Plugged | DUGGAN SLAUGHTER UNIT #61AW | 42-079-00583 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 4,948–5,035 |
| Plugged | BUCKSHOT UNIT #13W | 42-079-00031 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,944–5,055 |
| Plugged | FROST #286W | 42-079-01715 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,952–5,065 |
| Inactive | LANDON (SAN ANDRES) UNIT #12 | 42-079-00211 | PRASAD, HARI PROD CO | Injection | 1,000 | -- | 5,028–5,070 |
| Plugged | DEAN UNIT #B 4 | 42-079-02465 | CROSSROADS ENGY PTRS, LLC | Injection | 1,000 | -- | 5,037–5,092 |
| Plugged | FROST #246W | 42-079-01553 | UNITED OIL & MINERALS, INC | Injection | 1,000 | -- | 4,944–5,050 |
| Plugged | BUCKSHOT UNIT #244W | 42-079-00361 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,921–5,033 |
| Plugged | SEABOARD-WRIGHT #36 | 42-079-33114 | TEMA OIL AND GAS CO | Injection | 1,000 | -- | 4,846–4,909 |
| Plugged | DUGGAN SLAUGHTER UNIT #61BW | 42-079-00584 | PENNZOIL EXPL & PROD. CO | Injection | 1,000 | -- | 5,037–5,082 |
| Inactive | REED WRIGHT "B" #36 | 42-079-32936 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,866–4,908 |
| Plugged | BUCKSHOT UNIT #132W | 42-079-02291 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,972–5,084 |
| Plugged | REED WRIGHT "B" #19 | 42-079-32241 | TEMA OIL AND GAS CO | Injection | 1,000 | -- | 4,826–4,863 |
| Plugged | REED WRIGHT "B" #2 | 42-079-31289 | TEMA OIL AND GAS CO | Injection | 1,000 | -- | 4,745–4,938 |
| Plugged | BUCKSHOT UNIT #130W | 42-079-02281 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,945–5,060 |
| Plugged | BUCKSHOT UNIT #90W | 42-079-01750 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,934–5,064 |
| Inactive | REED WRIGHT "B" #9A | 42-079-33126 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,873–4,917 |
| Plugged | FROST #168W | 42-079-00041 | UNITED OIL & MINERALS, INC | Injection | 1,000 | -- | 4,946–5,057 |
| Plugged | BUCKSHOT UNIT #174W | 42-079-01274 | UNITED OIL & MINERALS, INC | Injection | 1,000 | -- | 4,986–5,103 |
| Plugged | FROST #189W | 42-079-01738 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,965–5,084 |
| Inactive | WRIGHT, STUART P. #9H | 42-079-33115 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,499–4,887 |
| Plugged | BOYD #28W | 42-079-00188 | OXY USA WTP LP | Injection | 1,000 | -- | 4,780–5,250 |
| Plugged | FROST #263W | 42-079-01901 | HUNT CIMARRON LTD. PARTNERSHIP | Injection | 1,000 | -- | 4,911–5,024 |
| Plugged | FROST #284W | 42-079-01745 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,915–5,030 |
| Plugged | BOYD MALLET UNIT #42W | 42-079-01812 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,969–5,049 |
| Plugged | BUCKSHOT UNIT #12W | 42-079-01763 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,950–5,040 |
| Plugged | BOYD #53W | 42-079-30530 | LAKEWOOD OPER, LTD | Injection | 1,000 | -- | 4,780–5,250 |
| Plugged | BUCKSHOT UNIT #34W | 42-079-00032 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,966–5,064 |
| Plugged | BOYD MALLET UNIT #14 | 42-079-01366 | ENCORE ENGY PTRS OPER LLC | Injection | 1,000 | -- | 4,800–5,165 |
| Plugged | BUCKSHOT UNIT #98W | 42-079-00849 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | -- |
| Plugged | CONOCO-DEAN UNIT #22W | 42-079-00473 | CONOCO INC | Injection | 1,000 | -- | 4,957–5,000 |
| Plugged | FROST #126W | 42-079-01736 | CIMARRON EXPLORATION COMPANY (A) | Injection | 1,000 | -- | 4,944–5,049 |
| Plugged | DEAN UNIT "B" #85W | 42-079-10031 | TEXACO INC | Injection | 1,000 | -- | 5,047–5,061 |
| Plugged | DUGGAN SLAUGHTER UNIT #17AW | 42-079-01156 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 5,057–5,084 |
| Plugged | BUCKSHOT UNIT #216W | 42-079-00842 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,987–5,036 |
| Plugged | BUCKSHOT UNIT #288W | 42-079-00972 | SANTA FE EXPLORATION COMPANY | Injection | 1,000 | -- | 4,977–5,087 |
| Plugged | DEAN UNIT "B" #51W | 42-079-01819 | TEXACO INC | Injection | 1,000 | -- | 5,049–5,063 |
| Plugged | MALLET UNIT #166W | 42-079-01497 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,850–5,150 |
| Inactive | REED WRIGHT "B" #21 | 42-079-32420 | HEXP OPER, LLC | Injection | 1,000 | -- | 4,710–4,910 |
| Plugged | FROST, J. W. #3 | 42-079-01376 | TURRENTINE OIL AND GAS, INC | Disposal | 1,000 | -- | 2,120–2,850 |
| Inactive | BOYD MALLET UNIT #73 | 42-079-10201 | EXTEX OPER CO | Injection | 1,000 | -- | 4,800–5,165 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #105 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,066–5,074 |
| Inactive | BOYD MALLET UNIT #82 | 42-079-30132 | EXTEX OPER CO | Injection | 1,000 | -- | 4,800–5,165 |
| Plugged | DUGGAN SLAUGHTER UNIT #171CW | 42-079-00617 | TEXACO E & P INC | Injection | 1,000 | -- | 5,052–5,078 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #99 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,055–5,069 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #97 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,047–5,061 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #91 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,059–5,069 |
| Plugged | DUGGAN SLAUGHTER UNIT #231CW | 42-079-00636 | PENNZOIL EXPL & PROD. CO | Injection | 1,000 | -- | 5,047–5,074 |
| Plugged | DUGGAN SLAUGHTER UNIT #351BW | 42-079-00662 | CROSS TIMBERS ENGY, LLC | Injection | 1,000 | -- | 5,038–5,094 |
| Plugged | DEAN UNIT "B" #8W | 42-079-00271 | TEXACO INC | Injection | 1,000 | -- | 4,997–5,026 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #89 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,058–5,070 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #82 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,056–5,070 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #79 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,046–5,060 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #76 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,062–5,078 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #72 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,051–5,065 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #71 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,054–5,064 |
| Plugged | MALLET UNIT #114W | 42-079-01492 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,850–5,150 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #64 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,050–5,062 |
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.