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	NORTHWEST MALLET UNIT #85W	42-219-00454	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	14,228	4,906–5,034
Active	SUNDOWN UNIT #35W	42-219-00298	HILCORP ENGY CO	Injection	5,350	14,193	4,800–5,200
Active	CENTRAL MALLET UNIT #161	42-219-02003	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	14,101	4,935–5,098
Active	HOLLAND #9W	42-219-36100	BURK ROYALTY CO., LTD	Injection	800	14,097	7,116–7,746
Active	WEST RKM UNIT #197	42-219-32493	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	14,083	4,600–5,200
Active	TEXACO SLAUGHTER ESTATE #13W	42-219-36505	BCE-MACH III LLC	Injection	2,200	14,005	7,565–8,014
Active	NORTH CENTRAL LEVELLAND UNIT #335W	42-219-32802	HILCORP ENGY CO	Injection	650	13,911	4,560–5,000
Active	JENNINGS, JOE #3	42-219-01031	BASIN OIL & GAS OPER, LLC	Injection	500	13,890	4,741–4,824
Active	NORTH CENTRAL LEVELLAND UNIT #66W	42-219-01008	HILCORP ENGY CO	Injection	1,000	13,632	4,791–4,856
Active	LEVELLAND "C" #14	42-219-32841	CROSS TIMBERS ENGY, LLC	Injection	350	13,620	4,500–4,811
Active	CENTRAL MALLET UNIT #309	42-219-31540	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	13,533	4,850–5,150
Active	NORTH CENTRAL LEVELLAND UNIT #41A	42-219-30779	HILCORP ENGY CO	Injection	400	13,481	4,743–4,850
Active	SANDERS #4	42-219-33297	BURK ROYALTY CO., LTD	Injection	300	13,430	4,650–4,800
Active	MALLET UNIT #162A	42-219-34766	HILCORP ENGY CO	Injection	2,000	13,287	4,400–5,400
Active	SOUTHEAST LEVELLAND UNIT #373	42-219-37404	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	13,275	4,500–5,100
Active	SMYER, EAST /CLEARFORK/ UNIT #64W	42-219-31234	MOMENTUM OPER CO., INC	Injection	300	13,125	5,866–5,967
Active	LAWSON "A" #7	42-219-35296	DOUBLE BARREL OIL LLC	Injection	200	12,977	4,680–4,760
Active	HAMILTON UNIT #3W	42-219-35886	BURK ROYALTY CO., LTD	Injection	800	12,889	7,168–7,528
Active	DELOACHE, IRA P. #75	42-219-35561	BCE-MACH III LLC	Injection	3,000	12,888	4,742–4,812
Active	BAILEY #2	42-219-30138	ROGERS, S. K. OIL, INC	Injection	500	12,877	7,431–7,479
Active	WEST RKM UNIT #166	42-219-10529	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	12,833	4,700–5,100
Active	NORTHWEST MALLET UNIT #44W	42-219-00648	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	12,798	4,600–5,200
Active	SOUTHEAST LEVELLAND UNIT #107W	42-219-00028	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	12,739	4,550–5,100
Active	SLAUGHTER ESTATE UNIT #431	42-219-02368	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	12,682	4,600–5,200
Active	MALLET L&C CO. #220	42-219-36937	CROSS TIMBERS ENGY, LLC	Injection	1,000	12,670	4,800–5,150
Active	WEST RKM UNIT #159W	42-219-10469	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	12,596	4,700–5,100
Active	LEVELLAND UNIT #520	42-219-30449	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	12,592	4,550–5,100
Active	CENTRAL MALLET UNIT #253	42-219-31206	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	12,518	4,912–5,022
Active	NORTH CENTRAL LEVELLAND UNIT #39AW	42-219-35469	HILCORP ENGY CO	Injection	600	12,485	4,650–4,900
Active	WEST SUNDOWN UNIT #179	42-219-00109	OXY USA EOR, LLC	Injection	5,200	12,461	4,600–5,600
Active	CENTRAL MALLET UNIT #164	42-219-00821	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	12,408	4,600–5,300
Active	TIPPS, R. E. #3W	42-219-32402	BULLIN, R. E. OPER INC	Injection	800	12,350	4,800–4,900
Active	EAST MALLET UNIT #142	42-219-35685	HILCORP ENGY CO	Injection	2,500	12,332	4,908–5,027
Active	SOUTHEAST WHITEFACE UNIT #1402	42-219-33736	RAW OIL & GAS, INC	Injection	500	12,184	4,880–4,896
Active	LEVELLAND UNIT #235W	42-219-02065	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	12,131	4,600–5,100
Active	WEST RKM UNIT #139W	42-219-03210	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	11,875	4,700–5,200
Active	EAST MALLET UNIT #165W	42-219-36908	HILCORP ENGY CO	Injection	800	11,790	4,920–5,200
Active	LEVELLAND UNIT #283W	42-219-02085	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,070	11,673	4,350–5,100
Active	BARTLETT-BAILEY #1W	42-219-35033	BURK ROYALTY CO., LTD	Injection	1,200	11,664	5,896–5,932
Active	ARNWINE #2W	42-219-35885	BURK ROYALTY CO., LTD	Injection	350	11,638	6,230–8,093
Active	LEVELLAND UNIT #518	42-219-30420	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	11,517	4,550–5,100
Active	LEVELLAND UNIT #232W	42-219-02025	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	11,426	4,550–5,100
Active	NORTH CENTRAL LEVELLAND UNIT #297	42-219-00144	HILCORP ENGY CO	Injection	1,000	11,333	4,700–4,900
Active	EAST MALLET UNIT #10W	42-219-01150	HILCORP ENGY CO	Injection	1,950	11,293	4,700–5,150
Active	SOUTHEAST LEVELLAND UNIT #379	42-219-37410	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	11,174	4,500–5,100
Active	CENTRAL MALLET UNIT #33	42-219-03201	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	11,163	4,944–5,050
Active	LEVELLAND UNIT #534	42-219-30451	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	11,157	4,550–5,100
Active	EAST MALLET UNIT #67A	42-219-35499	HILCORP ENGY CO	Injection	1,950	11,117	4,700–5,150
Active	SLAUGHTER ESTATE UNIT #483	42-219-35301	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	11,094	4,800–5,200
Active	SLAUGHTER, BOB #613W	42-219-37144	BCE-MACH III LLC	Injection	2,200	11,041	7,670–7,989
Active	DELOACHE, JAMES I. #2	42-219-33867	ATLAS OPER LLC	Injection	1,200	10,911	4,722–4,770
Active	SUNDOWN UNIT #17W	42-219-00296	HILCORP ENGY CO	Injection	5,300	10,800	4,750–5,300
Active	EAST RKM UNIT #93	42-219-36881	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	10,756	4,600–5,200
Active	CADDELL #4W	42-219-36102	BURK ROYALTY CO., LTD	Injection	800	10,710	7,100–7,900
Active	CENTRAL MALLET UNIT #8	42-219-00818	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	10,394	4,934–5,029
Active	SLAUGHTER ESTATE UNIT #318	42-219-02435	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	10,325	4,700–5,200
Active	CENTRAL MALLET UNIT #155	42-219-00718	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,200	10,213	4,600–5,090
Active	NORTH CENTRAL LEVELLAND UNIT #294W	42-219-30617	HILCORP ENGY CO	Injection	1,100	9,980	4,630–4,842
Active	LEVELLAND UNIT #313W	42-219-02037	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	9,947	4,550–5,100
Active	SLAUGHTER, BOB #610	42-219-36508	BCE-MACH III LLC	Injection	2,200	9,892	7,671–8,082
Active	CENTRAL MALLET UNIT #281	42-219-31389	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,500	9,805	4,600–5,300
Active	WEST SUNDOWN UNIT #041	42-219-01737	OXY USA EOR, LLC	Injection	5,200	9,657	4,600–5,600
Active	NORTH CENTRAL LEVELLAND UNIT #388	42-219-33799	HILCORP ENGY CO	Injection	500	9,652	4,700–4,900
Active	CENTRAL MALLET UNIT #73	42-219-01531	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	9,611	4,800–5,200
Active	SOUTHEAST LEVELLAND UNIT #377	42-219-37408	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	9,572	4,500–5,100
Active	SLAUGHTER, A. A. ESTATE #103W	42-219-31721	BURK ROYALTY CO., LTD	Injection	300	9,408	5,934–6,647
Active	MALLET UNIT #149A	42-219-35603	HILCORP ENGY CO	Injection	2,000	9,348	4,400–5,325
Active	HAMILL UNIT #403	42-219-31752	EL RAN INC	Injection	500	9,082	4,717–4,758
Active	WEST RKM UNIT #73W	42-219-00228	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	9,031	4,700–5,100
Active	VERNON #2W	42-219-35941	BULLIN, R. E. OPER INC	Injection	800	9,000	4,922–4,962
Active	LEVELLAND "C" #10	42-219-32687	CROSS TIMBERS ENGY, LLC	Injection	350	8,835	4,743–4,811
Active	DAVIES #2A	42-219-31645	SOCORRO EXPL, INC	Injection	140	8,775	3,750–4,855
Active	NORTH CENTRAL LEVELLAND UNIT #38W	42-219-00205	HILCORP ENGY CO	Injection	3,100	8,740	4,500–4,818
Active	WILSON, MAPLE #70W	42-219-32421	HILCORP ENGY CO	Injection	700	8,665	4,800–5,000
Active	WILSON, MAPLE #112W	42-219-35740	HILCORP ENGY CO	Injection	700	8,663	4,700–5,100
Active	WILSON, MAPLE #69W	42-219-32420	HILCORP ENGY CO	Injection	700	8,637	4,800–4,995
Active	WEST RKM UNIT #219	42-219-31490	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	8,603	4,700–5,100
Active	SOUTHEAST LEVELLAND UNIT #380	42-219-37411	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	8,512	4,500–5,100
Active	WEST RKM UNIT #198	42-219-31470	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	8,501	4,600–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #214W	42-219-01334	HILCORP ENGY CO	Injection	1,000	8,491	4,795–4,833
Active	SLAUGHTER ESTATE UNIT #414	42-219-02389	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	8,451	4,500–5,200
Active	WILSON, MAPLE #81W	42-219-32702	HILCORP ENGY CO	Injection	700	8,438	4,800–5,000
Active	EAST MALLET UNIT #60	42-219-01114	HILCORP ENGY CO	Injection	1,950	8,254	4,700–5,150
Active	NORTH CENTRAL LEVELLAND UNIT #334W	42-219-32796	HILCORP ENGY CO	Injection	1,000	8,210	4,803–4,832
Active	NORTH CENTRAL LEVELLAND UNIT #18W	42-219-30609	HILCORP ENGY CO	Injection	650	8,165	4,560–5,000
Active	LEVELLAND UNIT #1241	42-219-37390	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,070	7,756	4,550–5,100
Active	PHILLIPS #3W	42-219-34882	BULLIN, R. E. OPER INC	Injection	300	7,710	5,104–5,177
Active	DAVIES #1A	42-219-31448	SOCORRO EXPL, INC	Injection	350	7,550	4,475–4,800
Active	MALLET UNIT #130W	42-219-01167	HILCORP ENGY CO	Injection	2,000	7,391	4,400–5,355
Active	WEST SUNDOWN UNIT #021	42-219-01727	OXY USA EOR, LLC	Injection	5,200	7,305	4,600–5,600
Active	GANN, L. D. #1W	42-219-02186	AVIATOR ENERGY, LLC	Injection	1,000	7,301	4,796–4,936
Active	WEST LEVELLAND UNIT #327W	42-219-35376	HILCORP ENGY CO	Injection	300	7,236	4,750–5,000
Active	CARTER #2W	42-219-34869	BULLIN, R. E. OPER INC	Injection	300	7,180	5,144–5,192
Active	SOUTHEAST LEVELLAND UNIT #154W	42-219-30706	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	7,115	4,550–5,100
Active	SLAUGHTER CONSOLIDATED #323	42-219-36643	HILCORP ENGY CO	Injection	5,000	7,043	7,100–8,600
Active	EAST RKM UNIT #62W	42-219-32600	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	6,776	4,600–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #282A	42-219-34787	HILCORP ENGY CO	Injection	3,000	6,703	4,500–4,857
Active	MALLET UNIT #198W	42-219-31133	HILCORP ENGY CO	Injection	2,500	6,702	4,400–5,350
Active	BARTLETT-BAILEY #3W	42-219-35032	BURK ROYALTY CO., LTD	Injection	1,200	6,550	5,890–5,918
Active	LEVELLAND UNIT #540	42-219-30535	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	6,522	4,550–5,100

page 17 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.