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	LEVELLAND UNIT #941	42-219-34608	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	75,953	4,712–4,907
Active	LEVELLAND UNIT #223W	42-219-01897	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	75,871	4,725–4,893
Active	SUNDOWN SLAUGHTER UNIT #1330	42-219-32923	BCE-MACH III LLC	Injection	1,200	75,765	4,800–5,100
Active	DURRETT #10	42-219-35733	SIXESS ENGY, LLC	Injection	500	75,681	4,550–4,750
Active	LEVELLAND UNIT #511	42-219-30401	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	75,619	4,550–5,100
Active	MALLET UNIT #145A	42-219-35785	HILCORP ENGY CO	Injection	2,000	75,535	4,400–5,352
Active	CENTRAL MALLET UNIT #36W	42-219-00689	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	75,497	4,945–5,040
Active	SOUTHEAST LEVELLAND UNIT #129W	42-219-00968	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	75,422	4,746–5,002
Active	EAST MALLET UNIT #11A	42-219-34418	HILCORP ENGY CO	Injection	1,950	75,401	4,700–5,150
Active	LEVELLAND UNIT #C 8	42-219-31635	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	75,225	4,550–5,100
Active	MALLET UNIT #199AW	42-219-36632	HILCORP ENGY CO	Injection	2,500	75,212	4,950–5,100
Active	LEVELLAND UNIT #196G	42-219-02074	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	75,116	4,550–5,100
Active	EAST MALLET UNIT #147W	42-219-35792	HILCORP ENGY CO	Injection	1,950	74,847	4,700–5,150
Active	NORTH CENTRAL LEVELLAND UNIT #252W	42-219-30619	HILCORP ENGY CO	Injection	650	74,799	4,560–5,000
Active	WEST RKM UNIT #46W	42-219-00222	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	74,775	4,600–5,200
Active	LEVELLAND UNIT #238W	42-219-02047	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	74,722	4,600–5,100
Active	GREENLEE, G. H. #310	42-219-34800	BURK ROYALTY CO., LTD	Injection	500	74,697	6,318–6,600
Active	EAST MALLET UNIT #95W	42-219-30931	HILCORP ENGY CO	Injection	1,000	74,632	4,800–5,200
Active	HAMILL UNIT #703	42-219-31819	EL RAN INC	Injection	500	74,397	4,735–4,776
Active	FINLEY ESTATE #10	42-219-34286	BURK ROYALTY CO., LTD	Injection	300	74,233	6,350–6,540
Active	SMYER NE UNIT #506H	42-219-35781	TEXLAND PETRO, L.P	Injection	5,000	74,192	5,400–5,950
Active	SUNDOWN SLAUGHTER UNIT #1370W	42-219-35879	BCE-MACH III LLC	Injection	1,200	74,166	4,800–5,100
Active	EAST MALLET UNIT #17W	42-219-01232	HILCORP ENGY CO	Injection	1,950	74,120	4,700–5,150
Active	NORTHEAST LEVELLAND UNIT #14W	42-219-31566	HILCORP ENGY CO	Injection	1,000	74,100	4,500–5,100
Active	SLAUGHTER, A. A. ESTATE #114W	42-219-32655	BURK ROYALTY CO., LTD	Injection	1,600	74,003	5,906–5,922
Active	SMYER, EAST /CLEARFORK/ UNIT #31	42-219-03218	MOMENTUM OPER CO., INC	Injection	700	73,983	5,817–5,912
Active	CENTRAL LEVELLAND UNIT #25W	42-219-00163	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	73,962	4,550–5,000
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #118	42-219-34091	BCE-MACH III LLC	Injection	500	73,917	4,650–4,900
Active	YOUNG-PACE "A" #212	42-219-37318	BURK ROYALTY CO., LTD	Injection	500	73,901	6,336–6,606
Active	SOUTHEAST LEVELLAND UNIT #209W	42-219-31533	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	73,821	4,707–5,024
Active	GANN, L. D. #8W	42-219-02193	AVIATOR ENERGY, LLC	Injection	1,000	73,811	4,798–4,929
Active	WEST SUNDOWN UNIT #171	42-219-32894	OXY USA EOR, LLC	Injection	5,200	73,797	4,600–5,600
Active	WEST RKM UNIT #137W	42-219-01819	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	73,706	4,600–5,200
Active	MALLET UNIT #209W	42-219-03121	HILCORP ENGY CO	Injection	2,000	73,564	4,400–5,405
Active	SMYER NE UNIT #102	42-219-33275	TEXLAND PETRO, L.P	Injection	2,000	73,468	5,700–5,963
Active	SMYER NE UNIT #302	42-219-34214	TEXLAND PETRO, L.P	Injection	500	73,313	5,766–5,940
Active	LEVELLAND UNIT #49W	42-219-02269	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	73,227	4,550–5,100
Active	MALLET UNIT #507	42-219-31293	HILCORP ENGY CO	Injection	2,500	73,223	4,400–5,100
Active	SUNDOWN SLAUGHTER UNIT #1264	42-219-30867	BCE-MACH III LLC	Injection	2,200	73,197	4,800–5,200
Active	SMYER, EAST /CLEARFORK/ UNIT #15W	42-219-03157	MOMENTUM OPER CO., INC	Injection	306	73,140	5,797–5,924
Active	VERNON #7W	42-219-37255	ROGERS, S. K. OIL, INC	Injection	900	73,092	6,950–7,550
Active	CENTRAL LEVELLAND UNIT #135W	42-219-03268	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	73,027	4,550–5,000
Active	DELOACHE, IRA P. #65	42-219-35535	BCE-MACH III LLC	Injection	3,000	73,010	4,735–4,820
Active	CENTRAL MALLET UNIT #270	42-219-31395	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,200	72,916	4,600–5,300
Active	WEST SUNDOWN UNIT #188	42-219-01687	OXY USA EOR, LLC	Injection	5,200	72,813	4,600–5,600
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #66	42-219-32928	BCE-MACH III LLC	Injection	500	72,718	4,650–4,900
Active	MALLET UNIT #1225W	42-219-36634	HILCORP ENGY CO	Injection	2,500	72,701	4,950–5,100
Active	CENTRAL LEVELLAND UNIT #33W	42-219-00236	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	72,642	4,550–5,000
Active	LINKER (LOWER CLEARFORK) UNIT #506W	42-219-36768	BASIN OIL & GAS OPER, LLC	Injection	1,000	72,452	6,852–7,750
Active	DELOACHE, IRA P. #24	42-219-33357	BCE-MACH III LLC	Injection	3,000	72,395	4,703–4,753
Active	MALLET #46W	42-219-01415	OXY USA WTP EOR, LLC	Injection	1,000	72,375	4,895–5,017
Active	SUNDOWN SLAUGHTER UNIT #1057A	42-219-34049	BCE-MACH III LLC	Injection	2,200	72,198	4,800–5,200
Active	MALLET UNIT #137W	42-219-01120	HILCORP ENGY CO	Injection	2,000	72,042	4,400–5,353
Active	MEDARBY UNIT #47	42-219-34855	BCE-MACH III LLC	Injection	1,000	71,885	4,650–4,900
Active	CENTRAL LEVELLAND UNIT #116W	42-219-02223	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	71,849	4,550–5,000
Active	RODGERS #3W	42-219-36771	TEXLAND PETRO, L.P	Injection	800	71,833	6,700–7,000
Active	MALLET UNIT #150AW	42-219-35602	HILCORP ENGY CO	Injection	2,000	71,813	4,400–5,370
Active	SMYER, EAST /CLEARFORK/ UNIT #57W	42-219-30886	MOMENTUM OPER CO., INC	Injection	306	71,700	5,853–5,969
Active	LEVELLAND UNIT #377G	42-219-10458	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	71,656	4,550–5,100
Active	LEVELLAND UNIT #606W	42-219-30759	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	71,637	4,550–5,500
Active	LEVELLAND UNIT #74W	42-219-02237	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	71,635	4,759–4,850
Active	MALLET UNIT #118W	42-219-01217	HILCORP ENGY CO	Injection	2,000	71,581	4,400–5,323
Active	SUNDOWN SLAUGHTER UNIT #1374	42-219-35965	BCE-MACH III LLC	Injection	1,200	71,543	4,800–5,100
Active	EAST MALLET UNIT #155WH	42-219-35835	HILCORP ENGY CO	Injection	1,950	71,422	4,700–5,300
Active	LEVELLAND UNIT #397	42-219-30152	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,700	71,417	4,500–5,100
Active	LEVELLAND UNIT #541	42-219-30536	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	71,207	4,550–5,100
Active	CENTRAL MALLET UNIT #250W	42-219-30673	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	71,062	4,600–5,300
Active	SLAUGHTER ESTATE UNIT #48	42-219-02377	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	70,876	4,600–5,200
Active	WEST RKM UNIT #2W	42-219-02535	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	70,871	4,600–5,200
Active	MALLET #2W	42-219-01360	OXY USA WTP EOR, LLC	Injection	5,000	70,779	4,800–5,200
Active	WHITE, GEORGE L. #8	42-219-33252	FASKEN OIL AND RANCH, LTD	Injection	1,200	70,734	4,606–4,760
Active	CENTRAL LEVELLAND UNIT #235W	42-219-32747	OCCIDENTAL PERMIAN EOR, LLC	Injection	800	70,283	4,730–4,900
Active	LEVELLAND UNIT #642W	42-219-31575	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	70,272	4,550–5,100
Active	EAST MALLET UNIT #38	42-219-01223	HILCORP ENGY CO	Injection	19,500	70,214	4,700–5,150
Active	SOUTHEAST LEVELLAND UNIT #81W	42-219-02647	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	70,193	4,705–5,000
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #146	42-219-34568	BCE-MACH III LLC	Injection	500	70,190	4,650–4,900
Active	LEVELLAND UNIT #407	42-219-30122	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	70,171	4,550–5,100
Active	CENTRAL LEVELLAND UNIT #321	42-219-37007	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	70,062	4,550–5,200
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #126	42-219-34361	BCE-MACH III LLC	Injection	500	69,985	4,650–4,900
Active	EAST MALLET UNIT #23W	42-219-01173	HILCORP ENGY CO	Injection	1,950	69,943	4,700–5,150
Active	SLAUGHTER ESTATE UNIT #246	42-219-00939	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	69,820	4,700–5,200
Active	MAY-MONTGOMERY UNIT #11W	42-219-01507	HILCORP ENGY CO	Injection	1,200	69,631	4,766–4,906
Active	LEVELLAND UNIT #607W	42-219-30758	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	69,601	4,934–5,075
Active	COLINE "A" #1	42-219-32709	BLM BLACK GOLD PROPERTIES, LTD.	Injection	350	69,490	6,000–6,100
Active	SUNDOWN SLAUGHTER UNIT #1087	42-219-03018	BCE-MACH III LLC	Injection	2,200	69,486	4,800–5,200
Active	SMYER NE UNIT #202	42-219-34222	TEXLAND PETRO, L.P	Injection	1,000	69,394	5,700–6,000
Active	LINKER (LOWER CLEARFORK) UNIT #4104W	42-219-37481	BASIN OIL & GAS OPER, LLC	Injection	1,000	69,367	6,845–7,550
Active	CENTRAL MALLET UNIT #96	42-219-00724	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	69,352	4,908–5,046
Active	CENTRAL LEVELLAND UNIT #59W	42-219-10438	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	69,221	4,550–5,000
Active	LEVELLAND UNIT #221W	42-219-02443	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	69,139	4,698–4,912
Active	LEVELLAND UNIT #270W	42-219-02040	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	68,954	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #2001A	42-219-35925	BCE-MACH III LLC	Injection	1,200	68,953	4,800–5,100
Active	POST MONTGOMERY LO.CLFK.WF UNIT #6	42-219-37239	CHI OPER, INC	Injection	2,000	68,945	7,050–7,600
Active	CENTRAL LEVELLAND UNIT #215W	42-219-32390	OCCIDENTAL PERMIAN EOR, LLC	Injection	6,000	68,889	4,550–5,000
Active	SLAUGHTER ESTATE UNIT #429W	42-219-02419	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,140	68,731	4,600–5,400
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #144	42-219-34565	BCE-MACH III LLC	Injection	500	68,731	4,650–4,900
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #47AW	42-219-37086	BCE-MACH III LLC	Injection	2,000	68,640	4,650–4,860
Active	LEVELLAND UNIT #260W	42-219-01960	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	68,594	4,714–4,903
Active	LEVELLAND UNIT #346W	42-219-02317	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,100	68,563	4,400–5,100
Active	SUNDOWN SLAUGHTER UNIT #1070	42-219-03002	BCE-MACH III LLC	Injection	2,200	68,489	4,800–5,200

page 9 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.