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	WILSON, MAPLE #29W	42-219-01270	HILCORP ENGY CO	Injection	3,000	68,420	4,600–4,970
Active	CENTRAL MALLET UNIT #311	42-219-31538	OCCIDENTAL PERMIAN EOR, LLC	Injection	4,920	68,363	4,600–5,300
Active	SLAUGHTER ESTATE UNIT #249	42-219-00942	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	68,156	4,700–5,200
Active	EDWARDS, J. S. #1	42-219-34891	TEXLAND PETRO, L.P	Injection	1,000	67,953	6,340–6,461
Active	SOUTHEAST LEVELLAND UNIT #139W	42-219-00127	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	67,925	4,782–5,003
Active	SUNDOWN SLAUGHTER UNIT #1294	42-219-31014	BCE-MACH III LLC	Injection	1,200	67,924	4,800–5,100
Active	SUNDOWN SLAUGHTER UNIT #1272	42-219-30852	BCE-MACH III LLC	Injection	1,200	67,871	4,800–5,100
Active	GORDON, M. G. #3W	42-219-00492	WHITE ROCK OIL & GAS, LLC	Injection	1,000	67,762	4,319–5,057
Active	SLAUGHTER ESTATE UNIT #243	42-219-00936	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	67,753	4,600–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #64	42-219-32926	BCE-MACH III LLC	Injection	500	67,748	4,650–4,900
Active	FIELDING, C. D. #4WI	42-219-36538	ROGERS, S. K. OIL, INC	Injection	800	67,646	6,180–6,600
Active	SOUTHEAST LEVELLAND UNIT #5W	42-219-02508	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	67,602	4,550–5,100
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #142	42-219-34548	BCE-MACH III LLC	Injection	500	67,519	4,650–4,900
Active	LEVELLAND UNIT #323W	42-219-02300	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	67,512	4,300–5,100
Active	GANN, L. D. #6W	42-219-02191	AVIATOR ENERGY, LLC	Injection	1,000	67,484	4,805–4,910
Active	CENTRAL LEVELLAND UNIT #320	42-219-37008	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	67,455	4,550–5,200
Active	SOUTHEAST LEVELLAND UNIT #325W	42-219-35123	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	67,445	4,500–5,100
Active	CENTRAL MALLET UNIT #263	42-219-31398	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	67,426	4,942–5,040
Active	SUNDOWN SLAUGHTER UNIT #4002W	42-219-01282	BCE-MACH III LLC	Injection	2,200	67,215	4,800–5,200
Active	SUNDOWN SLAUGHTER UNIT #1276	42-219-30875	BCE-MACH III LLC	Injection	1,200	67,180	4,800–5,100
Active	EAST RKM UNIT #10W	42-219-00061	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	67,174	4,500–5,100
Active	EAST MALLET UNIT #13W	42-219-01205	HILCORP ENGY CO	Injection	1,950	66,997	4,700–5,150
Active	HAMILL UNIT #1004	42-219-31820	EL RAN INC	Injection	500	66,888	4,726–4,774
Active	LEVELLAND UNIT #1214	42-219-37164	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,070	66,675	4,550–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #68	42-219-32930	BCE-MACH III LLC	Injection	500	66,531	4,650–4,900
Active	SUNDOWN SLAUGHTER UNIT #1367	42-219-35924	BCE-MACH III LLC	Injection	1,200	66,471	4,800–5,100
Active	DELOACHE, IRA P. #7	42-219-32781	BCE-MACH III LLC	Injection	3,000	66,418	4,737–4,784
Active	NORTHWEST MALLET UNIT #46W	42-219-00460	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	66,374	4,700–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #151	42-219-02586	HILCORP ENGY CO	Injection	1,000	66,370	4,560–5,000
Active	SOUTHEAST LEVELLAND UNIT #211	42-219-31888	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	65,998	4,550–5,100
Active	LEVELLAND UNIT #151W	42-219-00640	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	65,990	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #1356	42-219-35796	BCE-MACH III LLC	Injection	1,200	65,979	4,800–5,100
Active	LEVELLAND UNIT #605W	42-219-30751	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	65,953	4,849–4,975
Active	LEVELLAND UNIT #165W	42-219-02323	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	65,951	4,650–5,100
Active	LEVELLAND UNIT #96W	42-219-01837	OCCIDENTAL PERMIAN EOR, LLC	Injection	700	65,928	4,749–4,873
Active	GIVAN, FRANK E. #3	42-219-10393	HILCORP ENGY CO	Injection	5,000	65,817	4,800–5,200
Active	SUNDOWN SLAUGHTER UNIT #1045A	42-219-35983	BCE-MACH III LLC	Injection	2,200	65,751	4,800–5,200
Active	PADGETT, C. E. #2	42-219-34810	ROGERS, S. K. OIL, INC	Injection	300	65,680	4,730–4,850
Active	CENTRAL LEVELLAND UNIT #55W	42-219-02751	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	65,555	4,550–5,000
Active	SLAUGHTER ESTATE UNIT #481	42-219-31530	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	65,445	4,800–5,200
Active	SUNDOWN UNIT #62	42-219-36002	HILCORP ENGY CO	Injection	5,300	65,421	4,400–5,300
Active	MALLET #8W	42-219-01365	OXY USA WTP EOR, LLC	Injection	5,200	65,368	4,700–5,200
Active	LEVELLAND UNIT #125W	42-219-01958	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	65,357	4,600–5,100
Active	EAST RKM UNIT #25W	42-219-00357	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	65,344	4,600–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #148	42-219-34743	BCE-MACH III LLC	Injection	500	65,302	4,650–4,900
Active	LEVELLAND UNIT #262W	42-219-02358	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	65,279	4,744–4,939
Active	SLAUGHTER, A. A. ESTATE #39W	42-219-33117	BURK ROYALTY CO., LTD	Injection	12,000	65,249	5,904–6,605
Active	MALLET UNIT #216W	42-219-02846	HILCORP ENGY CO	Injection	2,000	65,126	4,400–5,405
Active	MALLET L&C CO. #221	42-219-36928	CROSS TIMBERS ENGY, LLC	Injection	1,000	65,040	4,800–5,150
Active	NORTH CENTRAL LEVELLAND UNIT #196W	42-219-01109	HILCORP ENGY CO	Injection	1,000	65,033	4,560–5,000
Active	LEVELLAND UNIT #78W	42-219-02268	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	64,986	4,550–5,100
Active	BOSWORTH FARM #7	42-219-36748	R3 OPERATING CORPORATION	Injection	2,000	64,846	6,825–7,025
Active	CENTRAL MALLET UNIT #131W	42-219-00844	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	64,832	4,928–5,093
Active	YELLOWHOUSE UNIT #52W	42-219-01578	HILCORP ENGY CO	Injection	2,550	64,831	4,622–4,646
Active	MALLET UNIT #1510W	42-219-36902	HILCORP ENGY CO	Injection	2,500	64,827	4,700–5,200
Active	WEST RKM UNIT #275	42-219-36171	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	64,799	4,600–5,200
Active	THRUSTON, H. E. #3	42-219-02183	HILCORP ENGY CO	Injection	1,200	64,768	4,762–4,846
Active	SLAUGHTER GASOLINE PLANT SWD #3	42-219-31422	HILCORP ENGY CO	Disposal	7,700	64,752	1,800–2,200
Active	CENTRAL LEVELLAND UNIT #154W	42-219-30641	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	64,622	4,550–5,000
Active	SUNDOWN SLAUGHTER UNIT #1375	42-219-35966	BCE-MACH III LLC	Injection	1,200	64,523	4,800–5,100
Active	POST MONTGOMERY LO.CLFK.WF UNIT #605	42-219-37196	CHI OPER, INC	Injection	2,000	64,270	715–7,532
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #158	42-219-34756	BCE-MACH III LLC	Injection	500	64,207	4,650–4,900
Active	SOUTHEAST LEVELLAND UNIT #301W	42-219-33815	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	64,196	4,781–4,967
Active	LEVELLAND "C" #36	42-219-35377	CROSS TIMBERS ENGY, LLC	Injection	350	64,180	4,764–4,812
Active	SUNDOWN SLAUGHTER UNIT #1291W	42-219-30992	BCE-MACH III LLC	Injection	2,200	64,144	4,700–5,200
Active	DELOACHE, IRA P. #30	42-219-33301	BCE-MACH III LLC	Injection	3,000	64,093	4,710–4,769
Active	CENTRAL MALLET UNIT #105	42-219-00736	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	64,042	4,959–5,071
Active	WEST RKM UNIT #126	42-219-01752	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	63,802	4,600–5,200
Active	MALLET UNIT #1102W	42-219-31124	HILCORP ENGY CO	Injection	2,500	63,782	4,400–5,040
Active	WEST RKM UNIT #85W	42-219-01387	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	63,690	4,600–5,200
Active	LINKER (LOWER CLEARFORK) UNIT #507W	42-219-36816	BASIN OIL & GAS OPER, LLC	Injection	1,000	63,582	6,720–7,296
Active	MALLET UNIT #1152	42-219-35850	HILCORP ENGY CO	Injection	2,500	63,576	4,400–5,065
Active	MALLET UNIT #107W	42-219-01136	HILCORP ENGY CO	Injection	2,000	63,487	4,400–5,281
Active	SLAUGHTER ESTATE UNIT #51	42-219-01985	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	63,481	4,700–5,200
Active	EAST RKM UNIT #9W	42-219-00353	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	63,468	4,600–5,200
Active	POST MONTGOMERY LO.CLFK.WF UNIT #502	42-219-37105	CHI OPER, INC	Injection	2,000	63,263	7,134–8,078
Active	ROBERTS, T. W. #7W	42-219-31173	AVIATOR ENERGY, LLC	Injection	350	63,114	4,797–4,910
Active	D-L-S (SAN ANDRES) UNIT #104W	42-219-31845	BURK ROYALTY CO., LTD	Injection	200	63,034	5,145–5,155
Active	LEVELLAND UNIT #576	42-219-30577	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	62,794	4,550–5,100
Active	SLAUGHTER ESTATE UNIT #420	42-219-02401	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	62,610	4,600–5,200
Active	SOUTHEAST LEVELLAND UNIT #374	42-219-37405	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	62,399	4,500–5,100
Active	NEAL #1W	42-219-34753	BURK ROYALTY CO., LTD	Injection	800	62,341	7,323–7,652
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #154W	42-219-34717	BCE-MACH III LLC	Injection	500	62,261	4,650–4,900
Active	CENTRAL LEVELLAND UNIT #81W	42-219-00406	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	62,184	4,550–5,000
Active	SUNDOWN SLAUGHTER UNIT #6015	42-219-02839	BCE-MACH III LLC	Injection	1,400	62,016	4,800–5,200
Active	DELOACHE, IRA P. #14W	42-219-32961	BCE-MACH III LLC	Injection	3,000	61,967	4,700–4,789
Active	LEVELLAND UNIT #189W	42-219-02492	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	61,715	4,550–5,100
Active	SCHOENROCK, P. "A" #1	42-219-33428	TEXLAND PETRO, L.P	Injection	1,000	61,653	6,700–7,100
Active	CENTRAL LEVELLAND UNIT #66W	42-219-10443	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	61,637	4,550–5,000
Active	NORTH CENTRAL LEVELLAND UNIT #124W	42-219-34080	HILCORP ENGY CO	Injection	600	61,620	4,560–5,000
Active	EAST RKM UNIT #72W	42-219-32588	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	61,532	4,600–5,200
Active	MALLET UNIT #135W	42-219-01207	HILCORP ENGY CO	Injection	2,000	61,437	4,400–5,322
Active	LEVELLAND UNIT #19W	42-219-00512	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	61,335	4,450–5,100
Active	LEVELLAND UNIT #227W	42-219-02568	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	61,327	4,550–5,100
Active	GORDON, M. G. #4	42-219-00493	WHITE ROCK OIL & GAS, LLC	Injection	1,000	61,076	4,165–5,645
Active	LEVELLAND UNIT #190W	42-219-02490	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	61,075	4,650–5,100
Active	SOUTHEAST LEVELLAND UNIT #367	42-219-37027	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	60,992	4,550–5,200
Active	SLAUGHTER ESTATE UNIT #435	42-219-02392	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	60,991	4,600–5,200
Active	SUNDOWN SLAUGHTER UNIT #1403W	42-219-37510	BCE-MACH III LLC	Injection	2,500	60,927	4,800–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #18	42-219-02907	BCE-MACH III LLC	Injection	750	60,765	4,650–4,900

page 10 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.