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 | SLAUGHTER, CARRIE DEAN "B" #55 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,053–5,065 |
| Plugged | SLAUGHTER ESTATE #1 | 42-079-31198 | UNITED CO | Injection | 1,000 | -- | 4,750–4,988 |
| Plugged | CONOCO-DEAN UNIT #35W | 42-079-02511 | CONOCO INC | Injection | 1,000 | -- | 4,991–5,048 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #59 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,049–5,059 |
| Cancelled | SLAUGHTER, CARRIE DEAN "B" #64 | 42-079-00000 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 5,050–5,062 |
| Cancelled | BUCKSHOT UNIT #204W | 42-079-00358 | ATLANTIC RICHFIELD CO | Injection | 1,000 | -- | 4,930–5,040 |
| Plugged | DEAN UNIT "B" #85W | 42-079-10031 | TEXACO INC | Injection | 1,000 | -- | 5,047–5,061 |
| Inactive | BOYD MALLET UNIT #77 | 42-079-10217 | EXTEX OPER CO | Injection | 1,000 | -- | 4,800–5,165 |
| Plugged | CONOCO-DEAN UNIT #22W | 42-079-00473 | CONOCO INC | Injection | 1,000 | -- | 4,957–5,000 |
| Plugged | NORTH CENTRAL LEVELLAND UNIT #96W | 42-079-30076 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,630–4,840 |
| Plugged | DEAN UNIT "B" #91W | 42-079-00426 | TEXACO INC | Injection | 1,000 | -- | 5,059–5,069 |
| Plugged | CONOCO-DEAN UNIT #30W | 42-079-00496 | CONOCO INC | Injection | 1,000 | -- | 5,000–5,040 |
| Plugged | MALLET UNIT #166W | 42-079-01497 | SUPERIOR OIL CO, THE | Injection | 1,000 | -- | 4,850–5,150 |
| Plugged | SNODGRASS, A. #1 | 42-079-31133 | A.C.T. OPER CO | Injection | 950 | -- | 4,700–5,000 |
| Inactive | MORTON UNIT #3301W | 42-079-31951 | A.C.T. OPER CO | Injection | 950 | -- | 4,700–5,000 |
| Inactive | MORTON UNIT #2303W | 42-079-30391 | A.C.T. OPER CO | Injection | 950 | -- | 4,700–5,000 |
| Inactive | MORTON UNIT #2301W | 42-079-32079 | A.C.T. OPER CO | Injection | 950 | -- | 4,700–5,000 |
| Plugged | WRIGHT, D. S. "B" #17 | 42-079-31853 | MASADA DEVELOPMENT COMPANY | Injection | 800 | -- | 4,840–4,945 |
| Plugged | NORTH-WRIGHT #C 5A | 42-079-33207 | HEXP OPER, LLC | Injection | 800 | -- | 4,853–4,893 |
| Plugged | NORTH-WRIGHT #D 12 | 42-079-31597 | TEMA OIL AND GAS CO | Injection | 800 | -- | 4,710–4,910 |
| Plugged | NORTH-WRIGHT #D 3 | 42-079-31260 | HEXP OPER, LLC | Injection | 800 | -- | 4,690–4,900 |
| Plugged | NORTH-WRIGHT #C 10 | 42-079-31366 | HEXP OPER, LLC | Injection | 800 | -- | 4,690–4,900 |
| Plugged | NORTH-WRIGHT #C 7 | 42-079-02412 | TEMA OIL AND GAS CO | Injection | 800 | -- | 4,680–4,900 |
| Plugged | NORTH-WRIGHT #C 4 | 42-079-31657 | HEXP OPER, LLC | Injection | 800 | -- | 4,680–4,900 |
| Plugged | NORTH-WRIGHT #B 11 | 42-079-31475 | TEMA OIL AND GAS CO | Injection | 800 | -- | 4,690–4,900 |
| Plugged | NORTH-WRIGHT #B 5 | 42-079-31659 | HEXP OPER, LLC | Injection | 800 | -- | 4,680–4,906 |
| Plugged | WRIGHT, ANNE #3 | 42-079-32029 | TEMA OIL AND GAS CO | Injection | 800 | -- | 4,670–4,900 |
| Plugged | CALVIN-STARNES UNIT #E 12 | 42-079-31973 | DP PERMIAN OPERATOR, LLC | Injection | 800 | -- | 5,052–5,086 |
| Plugged | NORTH-WRIGHT #C 16 | 42-079-31607 | HEXP OPER, LLC | Injection | 800 | -- | 4,840–4,876 |
| Plugged | CALVIN-STARNES UNIT #E 9 | 42-079-31577 | ENDEAVOR ENGY RES L.P | Injection | 800 | -- | 5,030–5,066 |
| Plugged | CALVIN-STARNES UNIT #C 13 | 42-079-31442 | ENDEAVOR ENGY RES L.P | Injection | 800 | -- | 5,085–5,116 |
| Plugged | CALVIN-STARNES UNIT #F 9 | 42-079-31549 | DP PERMIAN OPERATOR, LLC | Injection | 800 | -- | 5,029–5,064 |
| Plugged | NORTH-WRIGHT #C 2 | 42-079-31263 | HEXP OPER, LLC | Injection | 800 | -- | 4,860–4,892 |
| Plugged | NORTH-WRIGHT #D 11 | 42-079-02406 | HEXP OPER, LLC | Injection | 800 | -- | 4,854–4,906 |
| Plugged | CALVIN-STARNES UNIT #D 13 | 42-079-31443 | BHP PETRO (AMERICAS) INC | Injection | 800 | -- | 5,071–5,096 |
| Plugged | CALVIN-STARNES UNIT #K 14 | 42-079-31250 | DP PERMIAN OPERATOR, LLC | Injection | 800 | -- | 4,994–5,020 |
| Plugged | CALVIN-STARNES UNIT #L 14 | 42-079-31264 | ENDEAVOR ENGY RES L.P | Injection | 800 | -- | 4,980–5,002 |
| Plugged | WRIGHT, DELLA SLAUGHTER #4 | 42-079-32538 | MOMENTUM OPER CO., INC | Injection | 800 | -- | 4,936–4,976 |
| Plugged | NORTH-WRIGHT #C 11 | 42-079-31598 | HEXP OPER, LLC | Injection | 800 | -- | 4,852–4,906 |
| Plugged | MALLET "C" #8W | 42-079-01495 | ENCORE ENGY PTRS OPER LLC | Injection | 700 | -- | 5,000–5,078 |
| Plugged | CONOCO-DEAN UNIT #65W | 42-079-00469 | CONOCO INC | Injection | 700 | -- | 4,854–5,008 |
| Plugged | CONOCO-DEAN UNIT #37W | 42-079-02509 | CONOCO INC | Injection | 700 | -- | 4,940–5,051 |
| Cancelled | MARY ELLIS #15 | 42-079-00000 | SOCONY MOBIL OIL COMPANY, INC. | UIC | 700 | -- | 4,765–4,820 |
| Cancelled | SIEBER, H.C. #4 | 42-079-00000 | SOCONY MOBIL OIL COMPANY, INC. | UIC | 700 | -- | 4,994–5,020 |
| Plugged | MALLET LAND & CATTLE CO. "G" #3W | 42-079-30094 | TEXACO INC | Injection | 700 | -- | 4,916–5,033 |
| Inactive | WRIGHT UNIT #204 | 42-079-31412 | EXTEX OPER CO | Injection | 700 | -- | 4,931–4,973 |
| Inactive | WRIGHT UNIT #273 | 42-079-32584 | EXTEX OPER CO | Injection | 700 | -- | 4,938–4,976 |
| Inactive | MILLER-WRIGHT UNIT #2044 | 42-079-32531 | KIMBELL OPER CO | Injection | 650 | -- | 4,840–5,000 |
| Inactive | MILLER-WRIGHT UNIT #308 | 42-079-31943 | KIMBELL OPER CO | Injection | 650 | -- | 4,840–4,980 |
| Inactive | MILLER-WRIGHT UNIT #2047 | 42-079-32532 | KIMBELL OPER CO | Injection | 650 | -- | 4,845–4,985 |
| Inactive | MILLER-WRIGHT UNIT #2046 | 42-079-32530 | KIMBELL OPER CO | Injection | 650 | -- | 4,845–4,985 |
| Inactive | MASTEN, F. O. "20" #3 | 42-079-30828 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Inactive | MASTEN, F. O. "20" #2 | 42-079-30817 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Inactive | STANTON-MASTEN #4R | 42-079-32561 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Plugged | MASTEN, F. O. #6 | 42-079-30831 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Inactive | MASTEN, F. O. "11" #1 | 42-079-30827 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Inactive | MASTEN, F. O. #8 | 42-079-30848 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Plugged | MASTEN, F. O. #15 | 42-079-30919 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Inactive | MASTEN, F. O. #2 | 42-079-30783 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Inactive | MASTEN, F. O. #7 | 42-079-30833 | CROSS TIMBERS ENGY, LLC | Injection | 625 | -- | 4,900–5,200 |
| Plugged | SLAUGHTER, NW. (SAN ANDRES) UNIT #38W | 42-079-00038 | SCOUT ENGY MANAGEMENT LLC | UIC | 600 | -- | 4,906–4,985 |
| Plugged | REED WRIGHT "B" #4 | 42-079-31290 | ATAPCO | Injection | 600 | -- | 4,860–4,910 |
| Plugged | SLAUGHTER, NW. (SAN ANDRES) UNIT #31W | 42-079-02209 | FASKEN OIL AND RANCH, LTD | Injection | 600 | -- | 4,927–5,008 |
| Plugged | REED WRIGHT "B" #11 | 42-079-32064 | TEMA OIL AND GAS CO | Injection | 600 | -- | 4,855–4,900 |
| Inactive | WOODLEY, F. L. #31AW | 42-079-32790 | HILCORP ENGY CO | Injection | 600 | -- | 4,850–5,150 |
| Inactive | WOODLEY, F. L. #8AW | 42-079-00000 | HILCORP ENGY CO | Injection | 600 | -- | 4,850–5,150 |
| Plugged | DEAN UNIT "B" #64W | 42-079-00900 | TEXACO INC | Injection | 600 | -- | 5,032–5,068 |
| Cancelled | SLAUGHTER, NW. (SAN ANDRES) UNIT #5W | 42-079-00000 | MERIDIAN OIL INC | Injection | 600 | -- | 4,923–5,014 |
| Inactive | WOODLEY, F. L. #57 | 42-079-32160 | HILCORP ENGY CO | Injection | 600 | -- | 4,850–5,150 |
| Plugged | WOODLEY, F. L. #52W | 42-079-30450 | SUPERIOR OIL CO, THE | Injection | 600 | -- | 4,850–5,150 |
| Inactive | WOODLEY, F. L. #59 | 42-079-32218 | HILCORP ENGY CO | Injection | 600 | -- | 4,850–5,150 |
| Inactive | WOODLEY, F. L. #13 | 42-079-01530 | HILCORP ENGY CO | Injection | 600 | -- | 4,850–5,150 |
| Inactive | WOODLEY, F. L. #23 | 42-079-01540 | HILCORP ENGY CO | Injection | 600 | -- | 4,850–5,150 |
| Plugged | WOODLEY, F. L. #15W | 42-079-01532 | APC OPER PARTNERSHIP | Injection | 600 | -- | 4,850–5,150 |
| Inactive | WOODLEY, F. L. #42 | 42-079-30190 | HILCORP ENGY CO | Injection | 600 | -- | 4,850–5,150 |
| Plugged | DUGGAN SLAUGHTER UNIT #631A | 42-079-30027 | PENNZOIL EXPL & PROD. CO | Injection | 600 | -- | 4,225–5,075 |
| Plugged | SEABOARD-WRIGHT #17 | 42-079-30493 | ATAPCO | Injection | 600 | -- | 4,870–4,930 |
| Plugged | DUGGAN SLAUGHTER UNIT #34A | 42-079-30028 | PENNZENERGY EXP. & PROD., L.L.C | Injection | 600 | -- | 4,231–5,068 |
| Plugged | WOODLEY, F. L. #25W | 42-079-01541 | SUPERIOR OIL CO, THE | Injection | 600 | -- | 4,850–5,150 |
| Plugged | DEAN UNIT "B" #79W | 42-079-01863 | TEXACO INC | Injection | 600 | -- | 5,050–5,094 |
| Plugged | DEAN UNIT "B" #81W | 42-079-00898 | TEXACO INC | Injection | 600 | -- | 5,033–5,069 |
| Plugged | SEABOARD-WRIGHT #17 | 42-079-30493 | TEMA OIL AND GAS CO | Injection | 600 | -- | 4,870–4,930 |
| Plugged | DEAN UNIT "B" #54W | 42-079-01082 | TEXACO INC | Injection | 600 | -- | 5,041–5,095 |
| Plugged | WOODLEY, F. L. #31W | 42-079-01561 | SUPERIOR OIL CO, THE | Injection | 600 | -- | 4,850–5,150 |
| Plugged | WOODLEY, F. L. #63W | 42-079-32209 | SUPERIOR OIL CO, THE | Injection | 600 | -- | 4,850–5,150 |
| Plugged | SLAUGHTER TRUST #1 | 42-079-31248 | TEXLAND-RECTOR & SCHUMACHER | Injection | 600 | -- | 4,776–4,936 |
| Plugged | DEAN UNIT "B" #36W | 42-079-00267 | REEF EXPL, L.P | Injection | 600 | -- | 5,018–5,073 |
| Cancelled | SLAUGHTER, NW. (SAN ANDRES) UNIT #50 | 42-079-30278 | MERIDIAN OIL INC | Injection | 600 | -- | 4,901–4,994 |
| Plugged | WOODLEY, F. L. #5W | 42-079-01522 | APC OPER PARTNERSHIP | Injection | 600 | -- | 4,850–5,150 |
| Plugged | BONANZA (SAN ANDRES) UNIT #1903 | 42-079-31689 | STELLER ENGY & INVESTMENT CORP | Injection | 600 | -- | 4,782–4,948 |
| Plugged | BONANZA (SAN ANDRES) UNIT #1402 | 42-079-31727 | STELLER ENGY & INVESTMENT CORP | Injection | 600 | -- | 4,772–4,970 |
| Plugged | BONANZA (SAN ANDRES) UNIT #101 | 42-079-31626 | MANZANO, LLC | Injection | 600 | -- | 4,730–4,925 |
| Plugged | BONANZA (SAN ANDRES) UNIT #209 | 42-079-31835 | STELLER ENGY & INVESTMENT CORP | Injection | 600 | -- | 4,776–4,975 |
| Plugged | WOODLEY, F. L. #11A | 42-079-32257 | APC OPER PARTNERSHIP | Injection | 600 | -- | 4,850–5,150 |
| Plugged | SEABOARD-WRIGHT #5 | 42-079-30223 | ATAPCO | Injection | 600 | -- | 4,744–4,888 |
| Plugged | MARTY-WRIGHT #6 | 42-079-02383 | ATAPCO | Injection | 600 | -- | 4,810–4,959 |
| Plugged | SLAUGHTER, NW. (SAN ANDRES) UNIT #10W | 42-079-00122 | FASKEN OIL AND RANCH, LTD | Injection | 600 | -- | 4,911–5,028 |
| Inactive | DEAN UNIT "B" #49 | 42-079-01081 | VISION OIL AND GAS LLC | Injection | 600 | -- | 4,900–5,200 |
| Plugged | WOODLEY, F. L. #29 | 42-079-01545 | SUPERIOR OIL CO, THE | Injection | 600 | -- | 4,850–5,150 |
| Plugged | REED WRIGHT "B" #8 | 42-079-31066 | TEMA OIL AND GAS CO | Injection | 600 | -- | 4,830–4,846 |
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.