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	CENTRAL MALLET UNIT #267	42-219-31408	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	38,209	4,970–5,022
Active	LEVELLAND UNIT #1237	42-219-37386	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,070	38,145	4,550–5,100
Active	MALLET L&C CO. #223	42-219-36939	CROSS TIMBERS ENGY, LLC	Injection	1,000	38,130	4,800–5,150
Active	TEXACO SLAUGHTER ESTATE #20W	42-219-37490	BCE-MACH III LLC	Injection	2,200	37,879	7,400–8,200
Active	EAST MALLET UNIT #44W	42-219-01228	HILCORP ENGY CO	Injection	1,950	37,540	4,700–5,150
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #82	42-219-33179	BCE-MACH III LLC	Injection	500	37,335	4,650–4,900
Active	NORTH CENTRAL LEVELLAND UNIT #251W	42-219-33531	HILCORP ENGY CO	Injection	1,000	37,110	4,560–5,000
Active	SOUTHEAST WHITEFACE UNIT #1801	42-219-33734	RAW OIL & GAS, INC	Injection	500	37,090	4,877–4,891
Active	SOUTHEAST LEVELLAND UNIT #296W	42-219-33507	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	37,046	4,753–4,965
Active	WEST LEVELLAND UNIT #77W	42-219-00344	HILCORP ENGY CO	Injection	1,500	37,014	4,400–5,000
Active	MALLET UNIT #221W	42-219-31295	HILCORP ENGY CO	Injection	2,500	36,861	4,400–5,090
Active	FRAZIER, W. G. #70	42-219-30382	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	36,709	4,800–5,100
Active	MALLET UNIT #158AH	42-219-35601	HILCORP ENGY CO	Injection	2,000	36,706	4,400–5,346
Active	WEST RKM UNIT #117W	42-219-00303	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	36,642	4,600–5,200
Active	NORTH LEVELLAND UNIT #402	42-219-03160	BCE-MACH III LLC	Injection	500	36,613	4,650–5,000
Active	SUNDOWN SLAUGHTER UNIT #1254A	42-219-35987	BCE-MACH III LLC	Injection	2,200	36,606	4,800–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #171W	42-219-01292	HILCORP ENGY CO	Injection	1,000	36,572	4,560–5,000
Active	EAST RKM UNIT #82	42-219-33844	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	36,557	4,700–5,200
Active	AMOCO "17" #5	42-219-35628	JOPLIN OIL CO., INC	Injection	500	36,381	4,550–4,750
Active	LEVELLAND UNIT #1093W	42-219-36059	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	36,310	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #3016	42-219-31024	BCE-MACH III LLC	Injection	2,200	36,303	4,700–5,200
Active	NORTHWEST MALLET UNIT #51W	42-219-00568	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,500	36,258	4,783–5,100
Active	WEST RKM UNIT #148W	42-219-00045	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	36,177	4,600–5,200
Active	LEVELLAND UNIT #42W	42-219-00033	OCCIDENTAL PERMIAN EOR, LLC	Injection	10,000	36,167	4,500–5,100
Active	SOUTHEAST LEVELLAND UNIT #126W	42-219-00079	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	36,152	4,736–5,000
Active	SLAUGHTER ESTATE UNIT #13CO	42-219-33713	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	36,032	4,800–5,200
Active	SLAUGHTER ESTATE UNIT #7CO	42-219-33719	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	35,984	4,700–5,200
Active	MALLET #7W	42-219-01364	OXY USA WTP EOR, LLC	Injection	1,000	35,982	4,905–5,036
Active	NORTH CENTRAL LEVELLAND UNIT #289W	42-219-00139	HILCORP ENGY CO	UIC	350	35,907	4,795–4,866
Active	MAY-MONTGOMERY UNIT #100	42-219-37111	HILCORP ENGY CO	Injection	5,000	35,732	4,550–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #96	42-219-33655	BCE-MACH III LLC	Injection	500	35,718	4,650–4,900
Active	CENTRAL MALLET UNIT #1	42-219-00743	OCCIDENTAL PERMIAN EOR, LLC	Injection	18,000	35,690	4,884–5,016
Active	WEST RKM UNIT #157W	42-219-10468	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	35,575	4,600–5,200
Active	SUNDOWN UNIT #2W	42-219-01798	HILCORP ENGY CO	Injection	5,300	35,415	4,600–5,300
Active	CENTRAL MALLET UNIT #307	42-219-31535	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	35,282	4,949–5,075
Active	NORTH CENTRAL LEVELLAND UNIT #69	42-219-34077	HILCORP ENGY CO	Injection	1,000	35,131	4,560–5,000
Active	SLAUGHTER ESTATE UNIT #244	42-219-00937	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	35,100	4,700–5,200
Active	CARSON, HEZZIE #5	42-219-36637	TEXLAND PETRO, L.P	Injection	750	35,064	6,761–6,900
Active	MALLET L&C CO. #227	42-219-36920	CROSS TIMBERS ENGY, LLC	Injection	1,000	35,030	4,800–5,150
Active	WEST RKM UNIT #36W	42-219-01356	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	35,016	4,700–5,200
Active	LEVELLAND UNIT #314W	42-219-02280	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	34,790	4,610–5,100
Active	NORTH CENTRAL LEVELLAND UNIT #167W	42-219-00997	HILCORP ENGY CO	Injection	1,000	34,736	4,560–5,000
Active	SOUTHEAST LEVELLAND UNIT #127W	42-219-02180	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	34,695	4,400–5,100
Active	WEST RKM UNIT #254	42-219-35068	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	34,689	4,700–5,100
Active	SOUTHEAST LEVELLAND UNIT #330W	42-219-35150	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	34,666	4,670–5,001
Active	TYNER UNIT #213W	42-219-35593	OXY USA WTP EOR, LLC	Injection	1,000	34,616	4,850–4,934
Active	CENTRAL MALLET UNIT #303	42-219-31557	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,200	34,545	4,600–5,034
Active	LEVELLAND UNIT #123W	42-219-01057	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,070	34,449	4,200–5,100
Active	SUNDOWN SLAUGHTER UNIT #1283	42-219-30889	BCE-MACH III LLC	Injection	1,200	34,423	4,800–5,100
Active	EAST RKM UNIT #73W	42-219-32586	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	34,354	4,600–5,200
Active	SUNDOWN UNIT #13	42-219-02122	HILCORP ENGY CO	Injection	5,300	34,280	4,600–5,300
Active	CENTRAL MALLET UNIT #391	42-219-36895	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	34,270	4,800–5,200
Active	MAY-MONTGOMERY UNIT #33W	42-219-01512	HILCORP ENGY CO	Injection	5,070	34,267	4,400–5,200
Active	MALLET #19W	42-219-01376	OXY USA WTP EOR, LLC	Injection	1,000	34,098	4,879–5,010
Active	WEST LEVELLAND UNIT #46W	42-219-01322	HILCORP ENGY CO	Injection	250	33,899	4,738–4,847
Active	COONS, W. A. #15	42-219-00627	HILCORP ENGY CO	Injection	2,000	33,800	4,600–5,300
Active	LEVELLAND UNIT #26W	42-219-02259	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	33,714	4,550–5,100
Active	WEST RKM UNIT #228	42-219-34657	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	33,600	4,700–5,100
Active	CENTRAL MALLET UNIT #288	42-219-31396	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	33,597	4,941–5,085
Active	MATHIS #1	42-219-34067	MCDONALD PROD, LLC	Injection	125	33,457	5,869–5,969
Active	SLAUGHTER ESTATE UNIT #261	42-219-30020	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	33,314	4,700–5,200
Active	CENTRAL LEVELLAND UNIT #29W	42-219-02746	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	32,983	4,550–5,000
Active	LEVELLAND UNIT #549	42-219-30453	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	32,935	4,550–5,100
Active	NORTHWEST MALLET UNIT #20W	42-219-00645	OCCIDENTAL PERMIAN EOR, LLC	UIC	500	32,865	4,870–5,050
Active	MALLET #102W	42-219-31137	OXY USA WTP EOR, LLC	Injection	5,000	32,822	4,700–5,200
Active	WEST RKM UNIT #167	42-219-20007	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	32,721	4,700–5,100
Active	NORTH LEVELLAND UNIT #403	42-219-03161	BCE-MACH III LLC	Injection	500	32,676	4,650–5,000
Active	SOUTHEAST WHITEFACE UNIT #1803	42-219-33732	RAW OIL & GAS, INC	Injection	500	32,543	4,892–4,910
Active	NORTH CENTRAL LEVELLAND UNIT #82W	42-219-00998	HILCORP ENGY CO	Injection	1,000	32,443	4,795–4,837
Active	NORTH CENTRAL LEVELLAND UNIT #243	42-219-02610	HILCORP ENGY CO	Injection	1,000	32,439	4,560–5,000
Active	SLAUGHTER ESTATE UNIT #479	42-219-31528	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	32,391	4,800–5,200
Active	SOUTHEAST LEVELLAND UNIT #132W	42-219-00955	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	32,262	4,760–4,995
Active	CENTRAL MALLET UNIT #103	42-219-00830	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	32,095	4,994–5,078
Active	MAY-MONTGOMERY UNIT #23W	42-219-01591	HILCORP ENGY CO	Injection	1,200	32,073	4,799–4,880
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #8	42-219-02897	BCE-MACH III LLC	Injection	500	32,070	4,650–4,900
Active	CENTRAL MALLET UNIT #350	42-219-35709	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	32,032	4,860–5,100
Active	CENTRAL MALLET UNIT #46W	42-219-00702	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	31,958	4,942–5,051
Active	ELLWOOD "B" #2	42-219-34110	AVIATOR ENERGY, LLC	Injection	0	31,900	5,903
Active	SOUTHEAST WHITEFACE UNIT #1409	42-219-36842	RAW OIL & GAS, INC	Injection	500	31,886	4,800–5,000
Active	LEVELLAND UNIT #71W	42-219-02489	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	31,877	4,600–5,100
Active	MALLET L&C CO. #228	42-219-36935	CROSS TIMBERS ENGY, LLC	Injection	1,000	31,810	4,800–5,150
Active	NORTH CENTRAL LEVELLAND UNIT #237W	42-219-01328	HILCORP ENGY CO	Injection	1,000	31,796	4,804–4,844
Active	CENTRAL LEVELLAND UNIT #158W	42-219-30663	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	31,742	4,550–5,000
Active	CENTRAL LEVELLAND UNIT #206W	42-219-31972	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	31,570	4,550–5,000
Active	COONS, W. A. #69W	42-219-36765	HILCORP ENGY CO	Injection	4,500	31,542	4,805–5,200
Active	TEETERS #1D	42-219-30504	MID RIVER MIDSTREAM LLC	Injection	5,500	31,528	4,159–9,705
Active	GORDON, M. G. #6W	42-219-00495	WHITE ROCK OIL & GAS, LLC	Injection	800	31,419	5,002–5,064
Active	EAST RKM UNIT #75W	42-219-32587	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	31,410	4,600–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #173W	42-219-01291	HILCORP ENGY CO	Injection	1,000	31,371	4,750–4,900
Active	SUNDOWN UNIT #95	42-219-36991	HILCORP ENGY CO	Injection	5,300	31,222	4,600–5,300
Active	WEST RKM UNIT #112W	42-219-02563	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	31,175	4,600–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #55W	42-219-10361	BCE-MACH III LLC	Injection	500	31,069	4,650–4,900
Active	SUNDOWN SLAUGHTER UNIT #6042	42-219-31012	BCE-MACH III LLC	Injection	2,200	31,019	4,700–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #245W	42-219-02685	HILCORP ENGY CO	Injection	1,000	30,931	4,560–5,000
Active	CENTRAL MALLET UNIT #133	42-219-00863	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	30,800	4,922–5,088
Active	CENTRAL LEVELLAND UNIT #6W	42-219-02728	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	30,718	4,550–5,000
Active	ELLWOOD "A" #13W	42-219-00780	HILCORP ENGY CO	Injection	5,000	30,663	5,400–6,200
Active	NORTH CENTRAL LEVELLAND UNIT #253	42-219-34101	HILCORP ENGY CO	Injection	500	30,641	4,560–5,000
Active	SUNDOWN SLAUGHTER UNIT #1376	42-219-35967	BCE-MACH III LLC	Injection	2,200	30,388	4,800–5,100
Active	WEST LEVELLAND UNIT #347	42-219-35427	HILCORP ENGY CO	Injection	300	30,322	4,750–5,000

page 14 of 41 · 4,003 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.