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)
Active	WHITEFACE UNIT #64W	42-079-00794	DOUBLE BARREL OIL LLC	Injection	250	48,404	4,903–4,957
Active	WRIGHT, J.M. UNIT #22XH	42-079-33029	A.C.T. OPER CO	Injection	4,000	48,275	4,800–5,000
Active	WOODLEY, F. L. #19W	42-079-01536	HILCORP ENGY CO	Injection	600	48,267	4,850–5,150
Active	DEAN, CARRIE SLAUGHTER "C" #8W	42-079-01051	HILCORP ENGY CO	Injection	5,000	48,181	4,800–5,200
Active	DUGGAN SLAUGHTER UNIT #O609NW	42-079-32831	CROSS TIMBERS ENGY, LLC	Injection	1,000	47,968	5,000–5,050
Active	MILLER-WRIGHT UNIT #2017W	42-079-01253	KIMBELL OPER CO	Injection	600	47,814	4,750–5,050
Active	WHITEFACE UNIT #87W	42-079-30280	DOUBLE BARREL OIL LLC	Injection	300	47,744	4,905–4,937
Active	WEST LEVELLAND UNIT #292W	42-079-32348	HILCORP ENGY CO	Injection	300	47,607	4,750–5,000
Active	WEST LEVELLAND UNIT #82W	42-079-00375	HILCORP ENGY CO	Injection	300	47,597	4,650–5,000
Active	DUGGAN SLAUGHTER UNIT #361AW	42-079-00663	CROSS TIMBERS ENGY, LLC	Injection	1,000	47,237	4,996–5,063
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #80W	42-079-31132	AVIATOR ENERGY, LLC	Injection	600	47,110	4,900–4,988
Active	WHITEFACE UNIT #111W	42-079-30870	DOUBLE BARREL OIL LLC	Injection	250	47,038	4,904–4,934
Active	DUGGAN SLAUGHTER UNIT #14W	42-079-02341	CROSS TIMBERS ENGY, LLC	Injection	500	46,754	4,805–5,025
Active	MASTEN, F. O. #83	42-079-32034	VISION OIL AND GAS LLC	Injection	500	46,477	4,987–5,080
Active	MASTEN, F. O. #89	42-079-32009	VISION OIL AND GAS LLC	Injection	500	46,279	4,972–5,076
Active	IGOE-SMITH OPER. AREA #36W	42-079-01129	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	46,256	4,700–5,400
Active	MILLER-WRIGHT UNIT #304W	42-079-01287	KIMBELL OPER CO	Injection	500	46,085	4,750–5,050
Active	STARNES UNIT #1704W	42-079-01687	AVIATOR ENERGY, LLC	Injection	200	45,964	4,998–5,035
Active	NORTH CENTRAL LEVELLAND UNIT #128W	42-079-01668	HILCORP ENGY CO	Injection	650	45,845	4,560–5,000
Active	NORTH CENTRAL LEVELLAND UNIT #130W	42-079-01659	HILCORP ENGY CO	Injection	2,500	45,726	4,500–4,900
Active	LANDON (SAN ANDRES) UNIT #512W	42-079-10021	PRASAD, HARI PROD CO	Injection	600	45,655	5,002–5,052
Active	CONOCO-DEAN UNIT #5W	42-079-01411	EXTEX OPER CO	Injection	1,000	45,585	4,931–5,025
Active	WEST LEVELLAND UNIT #293W	42-079-32403	HILCORP ENGY CO	Injection	300	45,534	4,750–5,000
Active	MASTEN, F. O. #88	42-079-32013	VISION OIL AND GAS LLC	Injection	500	45,483	4,962–5,062
Active	MASTEN, F. O. #60	42-079-31293	VISION OIL AND GAS LLC	Injection	500	45,389	4,987–5,080
Active	SOUTHWEST LEVELLAND UNIT #98W	42-079-30109	HILCORP ENGY CO	Injection	2,035	45,382	4,500–5,028
Active	REED WRIGHT "B" #31	42-079-32873	HEXP OPER, LLC	Injection	1,000	45,378	4,700–4,900
Active	MALLET LAND & CATTLE CO. #4	42-079-00226	THREE SPAN OIL & GAS, INC	Injection	1,000	45,134	4,990–5,094
Active	MILLER-WRIGHT UNIT #206W	42-079-01242	KIMBELL OPER CO	Injection	500	45,005	4,750–5,050
Active	WEST LEVELLAND UNIT #153AW	42-079-32534	HILCORP ENGY CO	Injection	3,050	44,937	3,990–5,000
Active	FROST #326W	42-079-01721	HUNT CIMARRON LTD. PARTNERSHIP	Injection	1,000	44,857	4,934–5,044
Active	WRIGHT, D. S. "J" #5W	42-079-30894	KIMBELL OPER CO	Injection	1,200	44,260	4,750–5,050
Active	MORTON UNIT #2103W	42-079-31136	A.C.T. OPER CO	Injection	950	44,121	4,700–5,000
Active	WOODLEY, F. L. #1W	42-079-01518	HILCORP ENGY CO	Injection	3,000	43,879	4,600–5,150
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #13W	42-079-00736	AVIATOR ENERGY, LLC	Injection	600	43,800	4,935–5,000
Active	SOUTHWEST LEVELLAND UNIT #90W	42-079-00885	HILCORP ENGY CO	Injection	2,000	43,714	4,500–5,600
Active	MASTEN, F. O. #65	42-079-31383	VISION OIL AND GAS LLC	Injection	500	43,582	4,992–5,080
Active	IGOE-SMITH OPER. AREA #82	42-079-30336	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	43,544	4,700–5,400
Active	MILLER-WRIGHT UNIT #2036	42-079-31798	KIMBELL OPER CO	Injection	600	43,285	4,750–5,050
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #2W	42-079-00735	AVIATOR ENERGY, LLC	Injection	500	43,180	4,918–5,018
Active	MASTEN, F. O. #59	42-079-31291	VISION OIL AND GAS LLC	Injection	500	43,118	4,944–5,018
Active	CONOCO-DEAN UNIT #154	42-079-32590	EXTEX OPER CO	Injection	1,000	42,990	4,900–5,190
Active	WHITEFACE UNIT #110W	42-079-30871	DOUBLE BARREL OIL LLC	Injection	1,060	42,836	4,627–4,944
Active	SEABOARD-WRIGHT #30	42-079-32970	HEXP OPER, LLC	Injection	1,000	42,770	4,690–5,000
Active	IGOE-SMITH OPER. AREA #15W	42-079-01108	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,500	42,547	4,974–5,020
Active	DUGGAN SLAUGHTER UNIT #811A	42-079-31284	CROSS TIMBERS ENGY, LLC	Injection	600	42,279	4,210–5,100
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #19W	42-079-00065	AVIATOR ENERGY, LLC	UIC	500	41,970	4,900–5,027
Active	MASTEN, F. O. #79	42-079-32035	VISION OIL AND GAS LLC	Injection	500	41,396	4,997–5,094
Active	MASTEN, F. O. #84	42-079-32008	VISION OIL AND GAS LLC	Injection	500	41,378	4,980–5,085
Active	WOODLEY, F. L. #18A	42-079-32098	HILCORP ENGY CO	Injection	600	41,034	4,850–5,150
Active	DUGGAN SLAUGHTER UNIT #1209NW	42-079-32810	CROSS TIMBERS ENGY, LLC	Injection	1,000	41,013	4,200–5,300
Active	PIERCY, CALLIE "A" #2	42-079-31441	MOMENTUM OPER CO., INC	Injection	800	40,983	4,914–4,932
Active	WOODLEY, F. L. #31CW	42-079-32792	HILCORP ENGY CO	Injection	600	40,937	4,850–5,200
Active	NORTHWEST MALLET UNIT #66W	42-079-01010	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	40,892	4,700–5,200
Active	MASTEN, F. O. #64	42-079-31384	VISION OIL AND GAS LLC	Injection	500	40,867	4,987–5,070
Active	MASTEN, F. O. #63	42-079-31382	VISION OIL AND GAS LLC	Injection	500	40,851	4,986–5,075
Active	WEST LEVELLAND UNIT #162W	42-079-00455	HILCORP ENGY CO	Injection	300	40,663	4,650–5,000
Active	MASTEN, F. O "H" #15	42-079-32706	EXTEX OPER CO	Injection	300	40,605	4,800–5,200
Active	WOODLEY, F. L. #40	42-079-30180	HILCORP ENGY CO	Injection	600	40,501	4,850–5,150
Active	IGOE-SMITH OPER. AREA #3W	42-079-01097	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,500	40,460	4,939–5,045
Active	IGOE-SMITH OPER. AREA #83	42-079-30345	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	40,382	4,700–5,400
Active	DUGGAN SLAUGHTER UNIT #791A	42-079-31285	CROSS TIMBERS ENGY, LLC	Injection	600	40,344	4,720–5,100
Active	WHITEFACE UNIT #112W	42-079-30869	DOUBLE BARREL OIL LLC	Injection	250	40,221	4,872–4,918
Active	IGOE-SMITH OPER. AREA #86	42-079-30347	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	40,185	4,700–5,400
Active	WRIGHT, J.M. UNIT #63	42-079-32966	A.C.T. OPER CO	Injection	350	40,095	4,850–4,990
Active	CONOCO-DEAN UNIT #52W	42-079-00471	EXTEX OPER CO	Injection	1,000	40,078	4,956–5,119
Active	DUGGAN SLAUGHTER UNIT #O410NW	42-079-32832	CROSS TIMBERS ENGY, LLC	Injection	1,000	39,936	5,000–5,050
Active	MASTEN, F. O "H" #18	42-079-32693	EXTEX OPER CO	Injection	300	39,840	4,800–5,200
Active	MALLET UNIT #129AW	42-079-33096	HILCORP ENGY CO	Injection	5,000	39,619	4,700–5,150
Active	DEAN, C. S. "A" #142W	42-079-20038	HILCORP ENGY CO	Injection	500	39,609	4,835–5,200
Active	MORTON UNIT #2501W	42-079-30459	A.C.T. OPER CO	Injection	400	39,515	4,700–5,000
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #22W	42-079-00066	AVIATOR ENERGY, LLC	Injection	600	39,440	4,932–5,007
Active	DEAN, C. S. "A" #54 X	42-079-30029	HILCORP ENGY CO	Injection	500	39,354	4,835–5,200
Active	DUGGAN SLAUGHTER UNIT #1208NW	42-079-32811	CROSS TIMBERS ENGY, LLC	Injection	1,000	39,246	4,200–5,300
Active	IGOE-SMITH OPER. AREA #7W	42-079-01101	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	39,180	4,700–5,200
Active	BLAKE, W. R #3	42-079-10010	AVIATOR ENERGY, LLC	Injection	300	39,141	5,000–5,100
Active	NORTH CENTRAL LEVELLAND UNIT #88W	42-079-01437	HILCORP ENGY CO	Injection	1,000	38,961	4,795–4,854
Active	WEST LEVELLAND UNIT #305W	42-079-32353	HILCORP ENGY CO	Injection	300	38,891	4,750–5,000
Active	WHITEFACE UNIT #171	42-079-32501	DOUBLE BARREL OIL LLC	Injection	300	38,807	4,914–4,944
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #4W	42-079-00117	AVIATOR ENERGY, LLC	Injection	600	38,790	4,927–5,010
Active	IGOE-SMITH OPER. AREA #88	42-079-30341	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	38,701	4,700–5,400
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #42W	42-079-02218	AVIATOR ENERGY, LLC	Injection	600	38,620	4,912–4,989
Active	WOODLEY, F. L. #51	42-079-30449	HILCORP ENGY CO	Injection	600	38,528	4,850–5,150
Active	IGOE-SMITH OPER. AREA #54W	42-079-00728	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	38,520	4,700–5,400
Active	DEAN, C. S. "A" #160	42-079-20112	HILCORP ENGY CO	Injection	500	38,465	4,850–5,200
Active	SLAUGHTER, NW. (SAN ANDRES) UNIT #12W	42-079-00118	AVIATOR ENERGY, LLC	UIC	500	38,400	4,922–5,022
Active	DEAN #3	42-079-32868	YUCCA ENGY, INC	Injection	500	38,309	4,930–5,090
Active	DEAN, C. S. "A" #111W	42-079-20101	HILCORP ENGY CO	Injection	500	38,000	4,835–5,200
Active	CONOCO-DEAN UNIT #14W	42-079-02498	EXTEX OPER CO	Injection	1,000	37,773	4,942–5,070
Active	NORTH CENTRAL LEVELLAND UNIT #131W	42-079-02320	HILCORP ENGY CO	Injection	2,000	37,548	4,550–4,880
Active	DEAN, C. S. "A" #135W	42-079-20107	HILCORP ENGY CO	Injection	535	37,381	4,835–5,200
Active	WHITEFACE UNIT #1W	42-079-00532	DOUBLE BARREL OIL LLC	Injection	250	37,254	4,855–4,914
Active	DEAN, C. S. "A" #159W	42-079-02072	HILCORP ENGY CO	Injection	500	37,211	4,835–5,200
Active	DEAN, C. S. "A" #252A	42-079-33049	HILCORP ENGY CO	Injection	500	37,170	4,914–5,097
Active	MALLET UNIT #127W	42-079-01477	HILCORP ENGY CO	Injection	2,000	36,943	4,400–5,360
Active	MILLER-WRIGHT UNIT #2016W	42-079-01252	KIMBELL OPER CO	Injection	600	36,817	4,750–5,050
Active	MILLER-WRIGHT UNIT #306R	42-079-32820	KIMBELL OPER CO	Injection	600	36,708	4,750–5,050
Active	IGOE-SMITH OPER. AREA #81	42-079-30166	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	36,611	4,700–5,400
Active	IGOE-SMITH OPER. AREA #112	42-079-33020	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	36,204	4,800–5,400
Active	WEST LEVELLAND UNIT #215W	42-079-32178	HILCORP ENGY CO	Injection	300	36,188	4,650–5,000

page 3 of 22 · 2,112 wells

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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.