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	ROBERTS-COBLE "B" #6W	42-219-31979	HILCORP ENGY CO	Injection	750	87,640	4,600–5,000
Active	CENTRAL LEVELLAND UNIT #96W	42-219-02219	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	87,489	4,550–5,000
Active	LEVELLAND UNIT #610W	42-219-30750	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	87,485	5,099–5,283
Active	EAST MALLET UNIT #31W	42-219-01235	HILCORP ENGY CO	Injection	2,500	87,451	4,400–5,082
Active	NORTH LEVELLAND UNIT #104	42-219-31712	BCE-MACH III LLC	Injection	500	87,367	4,650–5,000
Active	SLAUGHTER ESTATE UNIT #422	42-219-02405	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	87,258	4,500–5,200
Active	CENTRAL MALLET UNIT #92	42-219-01541	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	87,210	4,942–5,072
Active	SUNDOWN SLAUGHTER UNIT #1299	42-219-31018	BCE-MACH III LLC	Injection	1,200	87,048	4,600–5,100
Active	TYNER UNIT #303W	42-219-01988	OXY USA WTP EOR, LLC	Injection	5,000	87,026	4,800–5,200
Active	SLAUGHTER ESTATE UNIT #324	42-219-02437	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	86,938	4,800–5,200
Active	SUNDOWN SLAUGHTER UNIT #1072	42-219-03004	BCE-MACH III LLC	Injection	2,200	86,937	4,600–5,200
Active	CENTRAL MALLET UNIT #153	42-219-00854	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	86,833	4,921–5,089
Active	SUNDOWN SLAUGHTER UNIT #1050	42-219-02982	BCE-MACH III LLC	Injection	2,200	86,814	4,650–5,200
Active	SCHOENROCK, P. #3	42-219-37508	TEXLAND PETRO, L.P	Injection	1,000	86,813	6,800–7,200
Active	SMYER NE UNIT #108	42-219-34207	TEXLAND PETRO, L.P	Injection	2,000	86,736	5,791–5,959
Active	SOUTHEAST LEVELLAND UNIT #283W	42-219-33512	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	86,577	4,703–5,006
Active	LEVELLAND UNIT #222W	42-219-02098	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	86,290	4,715–4,879
Active	GLIMP UNIT #12R	42-219-32941	BURK ROYALTY CO., LTD	Injection	1,200	86,235	5,000–5,600
Active	GANN, L. D. #24	42-219-36063	AVIATOR ENERGY, LLC	Injection	1,000	85,971	4,783–4,905
Active	SUNDOWN SLAUGHTER UNIT #1363	42-219-35919	BCE-MACH III LLC	Injection	1,200	85,650	4,800–5,100
Active	NORTH CENTRAL LEVELLAND UNIT #210A	42-219-33382	HILCORP ENGY CO	Injection	1,000	85,512	4,560–5,000
Active	LEVELLAND UNIT #93W	42-219-01831	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	85,295	4,550–5,100
Active	NORTHWEST MALLET UNIT #83W	42-219-00560	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	85,273	4,700–5,200
Active	SLAUGHTER ESTATE UNIT #6CO	42-219-33720	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	85,260	4,700–5,200
Active	EAST MALLET UNIT #52	42-219-01227	HILCORP ENGY CO	Injection	1,950	84,892	4,700–5,150
Active	MAY-MONTGOMERY UNIT #77	42-219-33685	HILCORP ENGY CO	Injection	1,200	84,873	4,750–4,865
Active	SOUTHEAST LEVELLAND UNIT #281W	42-219-33511	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	84,758	4,720–5,017
Active	DELOACHE, IRA P. #20	42-219-33124	BCE-MACH III LLC	Injection	3,000	84,649	4,726–4,786
Active	LEVELLAND UNIT #109W	42-219-02478	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	84,614	4,600–5,100
Active	LEVELLAND UNIT #197G	42-219-02100	OCCIDENTAL PERMIAN EOR, LLC	Injection	700	84,468	4,709–4,905
Active	SLAUGHTER ESTATE UNIT #276	42-219-30480	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	84,405	4,700–5,200
Active	LEVELLAND UNIT #700W	42-219-31688	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	83,929	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #1282	42-219-30892	BCE-MACH III LLC	Injection	1,200	83,738	4,800–5,100
Active	LEVELLAND UNIT #720W	42-219-32550	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	83,656	4,722–4,879
Active	LEVELLAND UNIT #166W	42-219-00638	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	83,172	4,400–5,100
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #156	42-219-34747	BCE-MACH III LLC	Injection	500	82,941	4,650–4,900
Active	WEST RKM UNIT #158W	42-219-10467	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	82,843	4,700–5,100
Active	MALLET UNIT #160W	42-219-01154	HILCORP ENGY CO	Injection	2,000	82,831	4,400–5,343
Active	LEVELLAND UNIT #817	42-219-33900	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	82,686	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #1027	42-219-02959	BCE-MACH III LLC	Injection	2,200	82,590	4,800–5,200
Active	TYNER UNIT #503W	42-219-01874	OXY USA WTP EOR, LLC	Injection	5,000	82,392	4,400–5,200
Active	SLAUGHTER ESTATE UNIT #316	42-219-02388	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	82,381	4,600–5,200
Active	KUNZ, F. #9W	42-219-37256	TEXLAND PETRO, L.P	Injection	700	82,265	6,750–6,950
Active	MAY-MONTGOMERY UNIT #25W	42-219-01588	HILCORP ENGY CO	Injection	1,200	82,023	4,755–4,911
Active	WEST SUNDOWN UNIT #097	42-219-03211	OXY USA EOR, LLC	Injection	5,200	81,902	4,600–5,600
Active	SOUTHEAST LEVELLAND UNIT #262W	42-219-33228	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	81,894	4,768–5,001
Active	MAY-MONTGOMERY UNIT #2W	42-219-10078	HILCORP ENGY CO	Injection	1,200	81,834	4,750–4,884
Active	LEVELLAND UNIT #106W	42-219-02320	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	81,736	4,550–5,100
Active	LEVELLAND UNIT #33W	42-219-02241	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,100	81,592	4,400–5,100
Active	SLAUGHTER ESTATE UNIT #12CO	42-219-33715	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	81,477	4,800–5,200
Active	SCHOENROCK #1021	42-219-32940	TEXLAND PETRO, L.P	Injection	1,000	81,429	6,850–7,150
Active	LEVELLAND UNIT #724	42-219-32376	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	81,249	4,848–5,078
Active	SLAUGHTER ESTATE UNIT #321	42-219-02372	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	81,203	4,500–5,200
Active	FRAZIER, W. G. #13W	42-219-03173	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	81,163	4,600–5,100
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #75	42-219-33106	BCE-MACH III LLC	Injection	500	81,122	4,650–4,900
Active	FRAZIER, W. G. #45	42-219-10501	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	80,962	4,800–5,100
Active	SLAUGHTER ESTATE UNIT #419	42-219-02399	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	80,876	4,600–5,200
Active	NORTH LEVELLAND UNIT #506	42-219-36956	BCE-MACH III LLC	Injection	1,000	80,711	4,650–5,000
Active	EAST MALLET UNIT #51AW	42-219-35264	HILCORP ENGY CO	Injection	1,950	80,617	4,700–5,150
Active	MALLET #31W	42-219-01400	OXY USA WTP EOR, LLC	Injection	1,000	80,439	4,820–5,100
Active	FIELDING, C. D. #5WI	42-219-36568	ROGERS, S. K. OIL, INC	Injection	800	80,372	6,200–6,600
Active	SLAUGHTER ESTATE UNIT #44	42-219-02369	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	80,188	4,600–5,200
Active	COBLE "B" #38W	42-219-31870	EXTEX OPER CO	Injection	1,000	80,006	4,750–5,000
Active	EVE "26" #2	42-219-34772	ROGERS, S. K. OIL, INC	Injection	300	79,976	6,200–6,600
Active	WEST RKM UNIT #56W	42-219-00221	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	79,943	4,700–5,100
Active	WEST RKM UNIT #8W	42-219-02696	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	79,451	4,700–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #73	42-219-33090	BCE-MACH III LLC	Injection	500	79,146	4,650–4,900
Active	FRAZIER, W. G. #1W	42-219-31779	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	79,005	4,800–5,100
Active	EAST MALLET UNIT #91W	42-219-30935	HILCORP ENGY CO	Injection	1,950	78,896	4,700–5,150
Active	WELLS #2	42-219-37026	MOONSHINE RESOURCES, LLC	Injection	750	78,664	6,400–6,750
Active	SOUTHEAST LEVELLAND UNIT #23W	42-219-02693	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	78,554	4,500–5,100
Active	LEVELLAND UNIT #130W	42-219-01945	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	78,495	4,550–5,100
Active	WEST SUNDOWN UNIT #033	42-219-01794	OXY USA EOR, LLC	Injection	1,980	78,396	4,842–5,005
Active	SUNDOWN UNIT #31W	42-219-01648	HILCORP ENGY CO	Injection	5,300	78,378	4,600–5,300
Active	LEVELLAND UNIT #915	42-219-34644	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	78,377	4,550–5,100
Active	DURRETT #9	42-219-35737	SIXESS ENGY, LLC	Injection	500	78,325	4,550–4,750
Active	EAST MALLET UNIT #71A	42-219-34413	HILCORP ENGY CO	Injection	1,950	78,264	4,700–5,150
Active	CENTRAL LEVELLAND UNIT #319	42-219-36979	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	78,217	4,550–5,200
Active	SOUTHEAST WHITEFACE UNIT #1305	42-219-36836	RAW OIL & GAS, INC	Injection	500	78,138	4,800–5,000
Active	HAMILL, T. A. #1W	42-219-00381	HILCORP ENGY CO	Injection	5,000	78,008	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #1270	42-219-30853	BCE-MACH III LLC	Injection	1,200	77,997	4,800–5,100
Active	NEWSOM, C. V. #9W	42-219-33410	HILCORP ENGY CO	Injection	1,000	77,825	4,712–4,903
Active	SLAUGHTER ESTATE UNIT #3001	42-219-37316	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,140	77,633	4,600–5,400
Active	MALLET #48W	42-219-01417	OXY USA WTP EOR, LLC	Injection	1,000	77,549	4,922–4,982
Active	LEVELLAND UNIT #758W	42-219-32871	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	77,433	4,550–5,100
Active	MALLET UNIT #119W	42-219-01130	HILCORP ENGY CO	Injection	2,000	77,403	4,400–5,342
Active	HEATH, O. A. #4	42-219-32335	AVIATOR ENERGY, LLC	Injection	400	77,364	4,718–4,914
Active	MAY-MONTGOMERY UNIT #45W	42-219-30712	HILCORP ENGY CO	Injection	1,200	77,343	4,781–4,911
Active	LEVELLAND UNIT #137W	42-219-02487	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	77,265	4,710–4,881
Active	MALLET UNIT #172W	42-219-03284	HILCORP ENGY CO	Injection	2,000	77,086	4,400–5,399
Active	ROBERTS, T. W. #5W	42-219-30907	AVIATOR ENERGY, LLC	UIC	500	77,037	4,791–4,912
Active	EAST MALLET UNIT #5W	42-219-01178	HILCORP ENGY CO	Injection	1,950	76,570	4,700–5,150
Active	EAST MALLET UNIT #93W	42-219-30933	HILCORP ENGY CO	Injection	1,950	76,484	4,700–5,150
Active	NORTHWEST MALLET UNIT #101W	42-219-00530	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	76,420	4,700–5,200
Active	LEVELLAND UNIT #184	42-219-01973	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	76,378	4,715–5,000
Active	SUNDOWN SLAUGHTER UNIT #1075B	42-219-35995	BCE-MACH III LLC	Injection	2,200	76,355	4,800–5,200
Active	SMYER, EAST /CLEARFORK/ UNIT #88	42-219-32762	MOMENTUM OPER CO., INC	Injection	600	76,351	5,700–5,965
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #80	42-219-33103	BCE-MACH III LLC	Injection	500	76,276	4,500–4,900
Active	SLAUGHTER ESTATE UNIT #241	42-219-00934	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	76,208	4,837–5,020
Active	MALLET UNIT #1113H	42-219-31296	HILCORP ENGY CO	Injection	2,000	76,161	4,400–5,415

page 8 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.