Saltwater Disposal Wells in Hockley County

Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.

Active Wells

2,367

Permitted Capacity

6.9M bbl/d

Injected 12mo (thru 2025-06)

165.8M bbl

UIC Permits All Time

4,003

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	WEST SUNDOWN UNIT #246D	42-219-37448	OXY USA EOR, LLC	Disposal	15,000	1.7M	8,000–12,500
Active	CHALK HILLS DISPOSAL #505	42-219-37457	HILCORP ENGY CO	Disposal	15,000	1.6M	8,000–12,500
Active	HEFFINGTON SWD #1	42-219-37534	BERYL OIL AND GAS, LP	Injection	20,000	760,497	5,450–10,550
Active	LAVERNE SHADDIX #1W	42-219-33010	BERYL OIL AND GAS, LP	Disposal	20,000	728,207	4,000–5,400
Active	WEST SUNDOWN UNIT #045	42-219-01713	OXY USA EOR, LLC	Injection	1,980	654,753	4,782–5,085
Active	SUNDOWN SLAUGHTER UNIT #1009	42-219-02941	BCE-MACH III LLC	Injection	2,200	546,334	4,800–5,200
Active	SUNDOWN SLAUGHTER UNIT #1049	42-219-02981	BCE-MACH III LLC	Injection	2,200	544,650	4,800–5,200
Active	SUNDOWN SLAUGHTER UNIT #1135	42-219-03065	BCE-MACH III LLC	Injection	2,200	481,611	4,800–5,200
Active	ROPES, E. (CLEARFORK) UNIT #300W	42-219-37309	NEW HEIGHT ENERGY, LLC	Injection	2,000	473,796	5,950–6,250
Active	WEST SUNDOWN UNIT #210	42-219-01706	OXY USA EOR, LLC	Injection	5,200	463,217	4,600–5,600
Active	SLAUGHTER ESTATE UNIT #248	42-219-00941	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	447,232	4,883–5,086
Active	SLAUGHTER ESTATE UNIT #234	42-219-00927	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	446,742	4,700–5,200
Active	WEST SUNDOWN UNIT #072	42-219-00040	OXY USA EOR, LLC	Injection	5,000	437,759	4,450–5,200
Active	WEST SUNDOWN UNIT #120	42-219-01682	OXY USA EOR, LLC	Injection	5,200	437,169	4,600–5,600
Active	SUNDOWN SLAUGHTER UNIT #1002	42-219-02934	BCE-MACH III LLC	Injection	2,200	416,259	4,600–5,200
Active	SUNDOWN SLAUGHTER UNIT #1030	42-219-02962	BCE-MACH III LLC	UIC	2,200	415,397	4,800–5,200
Active	LEVELLAND UNIT #357	42-219-02095	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,100	414,599	4,400–5,100
Active	SLAUGHTER ESTATE UNIT #236	42-219-00929	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	413,209	4,600–5,200
Active	SLAUGHTER ESTATE UNIT #31W	42-219-02400	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,240	407,906	4,400–5,400
Active	SLAUGHTER ESTATE UNIT #115	42-219-30003	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	403,961	4,800–5,200
Active	WEST RKM UNIT #34	42-219-02468	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	401,558	4,600–5,400
Active	SLAUGHTER ESTATE UNIT #467	42-219-30802	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	401,052	4,800–5,200
Active	WEST SUNDOWN UNIT #176	42-219-01714	OXY USA EOR, LLC	Injection	1,980	377,724	4,770–5,071
Active	SLAUGHTER ESTATE UNIT #235	42-219-00928	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	376,286	4,700–5,200
Active	WEST SUNDOWN UNIT #137	42-219-01710	OXY USA EOR, LLC	Injection	1,980	376,120	4,722–5,047
Active	WEST SUNDOWN UNIT #117	42-219-00037	OXY USA EOR, LLC	Injection	5,200	375,034	4,600–5,600
Active	WEST RKM UNIT #30W	42-219-02466	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,500	366,230	4,700–5,100
Active	PICKARD ESTATE #1	42-219-36520	WESTRIDGE RESOURCES, INC.	Injection	5,000	363,922	4,900–9,950
Active	SUNDOWN SLAUGHTER UNIT #1298	42-219-31009	BCE-MACH III LLC	Injection	1,200	351,957	4,500–5,100
Active	SLAUGHTER ESTATE UNIT #214	42-219-00907	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	351,490	4,700–5,200
Active	SLAUGHTER ESTATE UNIT #219	42-219-00912	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	350,280	4,600–5,200
Active	SLAUGHTER ESTATE UNIT #410	42-219-02381	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	350,085	4,600–5,100
Active	SLAUGHTER ESTATE UNIT #247	42-219-00940	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	338,957	4,700–5,200
Active	SLAUGHTER ESTATE UNIT #238	42-219-00931	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	338,096	4,600–5,200
Active	WEST SUNDOWN UNIT #185	42-219-01643	OXY USA EOR, LLC	Injection	5,200	336,855	4,585–5,600
Active	SLAUGHTER ESTATE UNIT #11W	42-219-00882	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,240	336,390	4,400–5,400
Active	COONS, W. A. #20W	42-219-31265	HILCORP ENGY CO	Injection	5,000	333,164	4,220–5,400
Active	SUNDOWN SLAUGHTER UNIT #1139	42-219-03069	BCE-MACH III LLC	Injection	2,200	328,405	4,650–5,200
Active	SLAUGHTER ESTATE UNIT #231	42-219-00924	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	324,866	4,700–5,200
Active	SLAUGHTER ESTATE UNIT #25	42-219-00891	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	322,565	4,700–5,200
Active	WEST RKM UNIT #102W	42-219-01823	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	321,549	4,870–5,017
Active	FRAZIER, W. G. #55	42-219-30319	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	316,941	4,700–5,100
Active	WEST RKM UNIT #86W	42-219-01450	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	316,856	4,640–5,200
Active	SUNDOWN SLAUGHTER UNIT #1402W	42-219-37512	BCE-MACH III LLC	Injection	2,200	316,520	4,700–5,200
Active	SUNDOWN SLAUGHTER UNIT #8003	42-219-02548	BCE-MACH III LLC	Injection	2,200	316,008	4,800–5,200
Active	KEENE #1W	42-219-33243	LONE TREE ENVIRO SYSTEMS LLC	Injection	5,000	312,150	7,124–7,535
Active	WEST SUNDOWN UNIT #123	42-219-01781	OXY USA EOR, LLC	Injection	5,200	310,298	4,600–5,600
Active	SLAUGHTER ESTATE UNIT #14	42-219-00888	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	309,822	4,600–5,200
Active	SUNDOWN SLAUGHTER UNIT #1177	42-219-03105	BCE-MACH III LLC	Injection	2,200	306,261	4,800–5,200
Active	SLAUGHTER ESTATE UNIT #230	42-219-00923	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	301,435	4,700–5,200
Active	SLAUGHTER ESTATE UNIT #28	42-219-00897	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	301,092	4,700–5,200
Active	SUNDOWN SLAUGHTER UNIT #1119	42-219-03049	BCE-MACH III LLC	Injection	2,200	300,920	4,800–5,200
Active	MALLET #14W	42-219-01371	OXY USA WTP EOR, LLC	Injection	5,000	296,357	4,800–5,200
Active	WEST SUNDOWN UNIT #193	42-219-01766	OXY USA EOR, LLC	Injection	5,200	293,778	4,600–5,600
Active	WEST SUNDOWN UNIT #016	42-219-01731	OXY USA EOR, LLC	Injection	1,980	293,005	4,760–5,004
Active	SLAUGHTER ESTATE UNIT #270	42-219-30468	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	287,327	4,600–5,200
Active	SLAUGHTER, ALEX #14	42-219-33559	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	284,412	4,600–5,400
Active	SUNDOWN SLAUGHTER UNIT #1355	42-219-35797	BCE-MACH III LLC	Injection	2,200	284,300	4,800–5,100
Active	SUNDOWN SLAUGHTER UNIT #1246AH	42-219-36035	BCE-MACH III LLC	Injection	2,200	282,616	4,700–5,200
Active	SOUTHEAST LEVELLAND UNIT #307W	42-219-34597	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	282,302	4,715–5,017
Active	SUNDOWN SLAUGHTER UNIT #1059	42-219-02991	BCE-MACH III LLC	Injection	2,200	281,573	4,600–5,200
Active	LEVELLAND UNIT #57W	42-219-01956	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	276,538	4,600–5,100
Active	SUNDOWN SLAUGHTER UNIT #9001	42-219-02546	BCE-MACH III LLC	Injection	2,200	274,253	4,400–5,200
Active	COBLE "A" #9W	42-219-30906	AVIATOR ENERGY, LLC	Injection	900	273,878	4,768–4,904
Active	SLAUGHTER ESTATE UNIT #218W	42-219-00911	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	273,828	4,700–5,200
Active	WEST RKM UNIT #42W	42-219-02652	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	271,803	4,600–5,200
Active	LEVELLAND UNIT #288W	42-219-02357	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	270,006	4,748–4,912
Active	SUNDOWN SLAUGHTER UNIT #1025A	42-219-36562	BCE-MACH III LLC	Injection	2,200	269,520	4,700–5,200
Active	COONS, W. A. #32W	42-219-32318	HILCORP ENGY CO	Injection	1,300	267,774	4,895–5,070
Active	SUNDOWN SLAUGHTER UNIT #1022	42-219-02954	BCE-MACH III LLC	UIC	2,200	262,904	4,800–5,200
Active	SUNDOWN SLAUGHTER UNIT #1140	42-219-03070	BCE-MACH III LLC	UIC	2,200	259,660	4,600–5,200
Active	SUNDOWN SLAUGHTER UNIT #1129	42-219-03057	BCE-MACH III LLC	UIC	2,200	258,637	4,800–5,200
Active	MAY-MONTGOMERY UNIT #10	42-219-01503	HILCORP ENGY CO	Injection	1,200	258,361	4,741–4,904
Active	FRAZIER, W. G. #21	42-219-03174	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	255,767	4,700–5,100
Active	COONS, W. A. #41	42-219-32497	HILCORP ENGY CO	Injection	1,300	253,415	4,600–5,400
Active	ROPES, E. (CLEARFORK) UNIT #202	42-219-37334	NEW HEIGHT ENERGY, LLC	Injection	2,000	253,114	6,000–6,290
Active	LEVELLAND UNIT #83W	42-219-01061	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	253,063	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #1038	42-219-02970	BCE-MACH III LLC	Injection	1,200	253,032	4,800–5,100
Active	FRAZIER, W. G. #59	42-219-30306	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	250,400	4,700–5,100
Active	SUNDOWN SLAUGHTER UNIT #1109	42-219-03039	BCE-MACH III LLC	UIC	2,200	248,510	4,800–5,200
Active	SLAUGHTER ESTATE UNIT #229	42-219-00922	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	247,867	4,700–5,200
Active	SLAUGHTER ESTATE UNIT #223W	42-219-00916	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	246,710	4,600–5,200
Active	MEDARBY UNIT #20AW	42-219-37043	BCE-MACH III LLC	Injection	2,000	244,443	4,500–5,000
Active	CENTRAL LEVELLAND UNIT #318	42-219-36926	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	243,329	4,550–5,200
Active	FRAZIER, W. G. #138	42-219-34527	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	243,248	4,800–5,100
Active	MEDARBY UNIT #24W	42-219-01638	BCE-MACH III LLC	Injection	1,250	242,434	4,500–4,848
Active	SUNDOWN SLAUGHTER UNIT #1302	42-219-31016	BCE-MACH III LLC	Injection	2,500	240,683	4,700–5,100
Active	SOUTHEAST LEVELLAND UNIT #91W	42-219-02680	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	238,493	4,741–4,990
Active	CENTRAL MALLET UNIT #45W	42-219-00700	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,890	238,478	4,944–5,035
Active	COONS, W. A. #60W	42-219-36552	HILCORP ENGY CO	Injection	2,000	238,443	4,600–5,300
Active	SLAUGHTER ESTATE UNIT #119	42-219-30466	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	237,936	4,700–5,200
Active	FRAZIER, W. G. #134	42-219-34531	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	236,907	4,800–5,100
Active	WEST RKM UNIT #57W	42-219-00224	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	235,806	4,700–5,100
Active	LEVELLAND UNIT #954	42-219-34612	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	235,010	4,550–5,100
Active	SLAUGHTER ESTATE UNIT #111	42-219-00902	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	234,904	4,800–5,200
Active	LEVELLAND UNIT #111W	42-219-01971	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	234,513	4,600–5,100
Active	LEVELLAND UNIT #355W	42-219-02158	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	234,416	4,710–4,837
Active	LEVELLAND UNIT #92W	42-219-01970	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	233,281	4,550–5,100
Active	FRAZIER, W. G. #137	42-219-34528	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	233,011	4,800–5,100
Active	SLAUGHTER ESTATE UNIT #210	42-219-00901	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	232,198	4,700–5,200

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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.