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	SOUTHEAST LEVELLAND UNIT #92W	42-219-00011	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	51,609	4,745–4,984
Active	PATTON #1	42-219-33038	TEXLAND PETRO, L.P	Injection	500	51,583	6,137–6,217
Active	MAY-MONTGOMERY UNIT #36	42-219-01594	HILCORP ENGY CO	Injection	1,200	51,568	4,799–4,855
Active	NELSON-BROWN #2	42-219-00384	AQUEOUS OPERATING, LLC	Injection	5,000	51,493	4,350–4,872
Active	WEST RKM UNIT #26W	42-219-02655	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	51,447	4,600–5,200
Active	WILKINSON, F. A. #10	42-219-35829	CROSS TIMBERS ENGY, LLC	Injection	350	51,360	4,754–4,835
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #71	42-219-32933	BCE-MACH III LLC	Injection	500	51,270	4,650–4,900
Active	SLAUGHTER, A. A. ESTATE #42W	42-219-34225	BURK ROYALTY CO., LTD	Injection	300	51,228	5,924–6,595
Active	SLAUGHTER ESTATE UNIT #15CO	42-219-33711	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	51,204	4,800–5,200
Active	MALLET #42W	42-219-01411	OXY USA WTP EOR, LLC	Injection	5,200	51,155	4,700–5,200
Active	EAST RKM UNIT #49W	42-219-32566	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	51,141	4,600–5,200
Active	SLAUGHTER, A. A. ESTATE #149W	42-219-35845	BURK ROYALTY CO., LTD	Injection	1,200	51,093	5,901–6,578
Active	BOSWORTH FARM #8	42-219-36749	R3 OPERATING CORPORATION	Injection	2,000	51,065	6,825–7,025
Active	EAST RKM UNIT #20W	42-219-00362	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	50,870	4,700–5,200
Active	SLAUGHTER ESTATE UNIT #83	42-219-03166	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	50,754	4,700–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #43W	42-219-30780	HILCORP ENGY CO	Injection	1,000	50,724	4,750–4,850
Active	CENTRAL MALLET UNIT #28	42-219-00820	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	50,685	4,600–5,300
Active	WEST RKM UNIT #120W	42-219-00390	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	50,652	4,600–5,200
Active	SUNDOWN SLAUGHTER UNIT #1295	42-219-31021	BCE-MACH III LLC	Injection	1,200	50,631	4,800–5,100
Active	WEST RKM UNIT #203 A	42-219-31526	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	50,544	4,700–5,100
Active	SOUTHEAST LEVELLAND UNIT #65W	42-219-03142	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	50,432	4,726–5,012
Active	CENTRAL LEVELLAND UNIT #49W	42-219-00404	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	50,409	4,550–5,000
Active	CENTRAL LEVELLAND UNIT #7W	42-219-02732	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	50,375	4,550–5,000
Active	NORTH CENTRAL LEVELLAND UNIT #206AW	42-219-32656	HILCORP ENGY CO	Injection	1,000	50,331	4,560–5,000
Active	LEVELLAND UNIT #1208WD	42-219-37129	OCCIDENTAL PERMIAN EOR, LLC	Injection	20,000	50,195	8,100–11,630
Active	LEVELLAND UNIT #300	42-219-02267	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	50,126	4,550–5,100
Active	WEST RKM UNIT #314	42-219-37124	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	49,844	4,600–5,400
Active	CENTRAL LEVELLAND UNIT #259W	42-219-33087	OCCIDENTAL PERMIAN EOR, LLC	Injection	800	49,838	4,647–4,955
Active	LEVELLAND UNIT #391	42-219-30142	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	49,761	4,550–5,100
Active	WEST LEVELLAND UNIT #74W	42-219-01324	HILCORP ENGY CO	Injection	250	49,730	4,756–4,869
Active	NORTHWEST MALLET UNIT #38W	42-219-00586	OCCIDENTAL PERMIAN EOR, LLC	UIC	500	49,718	4,877–5,010
Active	SUNDOWN UNIT #80	42-219-36541	HILCORP ENGY CO	Injection	3,000	49,713	4,800–5,200
Active	SOUTHEAST LEVELLAND UNIT #356W	42-219-36415	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	49,666	4,550–5,100
Active	CENTRAL MALLET UNIT #109	42-219-00851	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	49,641	4,900–5,086
Active	MALLET #87W	42-219-30951	OXY USA WTP EOR, LLC	Injection	1,000	49,637	4,750–5,083
Active	SILVEY "A" #2W	42-219-35969	ROGERS, S. K. OIL, INC	Injection	300	49,536	4,830–4,960
Active	WILKINSON, F. A. #7	42-219-35828	CROSS TIMBERS ENGY, LLC	Injection	350	49,440	4,748–4,819
Active	SLAUGHTER, BOB #611W	42-219-37142	BCE-MACH III LLC	Injection	2,200	49,405	7,466–7,981
Active	REEVES #7	42-219-34298	AVIATOR ENERGY, LLC	Injection	400	49,327	4,867–4,884
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #17	42-219-02906	BCE-MACH III LLC	Injection	500	49,237	4,650–4,900
Active	EAST RKM UNIT #84	42-219-33846	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	49,196	4,700–5,200
Active	CENTRAL MALLET UNIT #306	42-219-31534	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	49,138	4,600–5,300
Active	LEVELLAND UNIT #306W	42-219-02045	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	49,132	4,550–5,100
Active	SOUTHEAST LEVELLAND UNIT #240W	42-219-32616	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	48,919	4,698–5,017
Active	NORTH CENTRAL LEVELLAND UNIT #204W	42-219-01005	HILCORP ENGY CO	Injection	1,000	48,912	4,560–5,000
Active	MALLET UNIT #109W	42-219-01229	HILCORP ENGY CO	Injection	2,000	48,770	4,400–5,335
Active	SLAUGHTER ESTATE UNIT #465	42-219-30799	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	48,734	4,800–5,200
Active	SUNDOWN UNIT #24W	42-219-01899	HILCORP ENGY CO	Injection	5,300	48,722	4,600–5,300
Active	LEVELLAND UNIT #661W	42-219-31467	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	48,719	4,550–5,100
Active	LEVELLAND UNIT #250W	42-219-02569	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	48,687	4,665–5,100
Active	SOUTHEAST LEVELLAND UNIT #101W	42-219-00605	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	48,664	4,760–4,974
Active	TYNER UNIT #204W	42-219-01447	OXY USA WTP EOR, LLC	Injection	5,000	48,437	4,600–5,200
Active	LEVELLAND UNIT #217	42-219-02442	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	48,268	4,000–5,100
Active	LEVELLAND UNIT #11	42-219-02496	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	48,163	4,500–5,100
Active	NORTHWEST MALLET UNIT #42W	42-219-00643	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	47,844	4,600–5,200
Active	WEST LEVELLAND UNIT #344W	42-219-35426	HILCORP ENGY CO	Injection	300	47,816	4,750–5,000
Active	MALLET UNIT #213	42-219-02834	HILCORP ENGY CO	Injection	2,000	47,601	4,400–5,379
Active	CENTRAL MALLET UNIT #266	42-219-31411	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	47,478	4,931–5,030
Active	SLAUGHTER ESTATE UNIT #13	42-219-00886	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	47,269	4,600–5,200
Active	CENTRAL MALLET UNIT #75W	42-219-03199	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	47,209	4,933–5,046
Active	SOUTHEAST LEVELLAND UNIT #152W	42-219-30689	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	46,898	4,550–5,100
Active	MALLET UNIT #1154W	42-219-35852	HILCORP ENGY CO	Injection	2,000	46,670	4,400–5,325
Active	CENTRAL MALLET UNIT #274	42-219-31211	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	46,668	4,600–5,300
Active	CENTRAL LEVELLAND UNIT #22W	42-219-03116	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	46,613	4,550–5,000
Active	SOUTHEAST LEVELLAND UNIT #87W	42-219-02671	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	46,589	4,717–4,979
Active	LEVELLAND UNIT #201G	42-219-01953	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	46,573	4,550–5,100
Active	CENTRAL LEVELLAND UNIT #227W	42-219-32619	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	46,529	4,550–5,000
Active	NORTH CENTRAL LEVELLAND UNIT #68	42-219-34123	HILCORP ENGY CO	Injection	1,000	46,430	4,560–5,000
Active	NORTH CENTRAL LEVELLAND UNIT #255A	42-219-33240	HILCORP ENGY CO	Injection	1,000	46,373	4,550–4,900
Active	WEST RKM UNIT #209	42-219-31489	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	46,362	4,600–5,200
Active	NORTHWEST MALLET UNIT #110W	42-219-00526	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,200	46,320	4,700–5,200
Active	STALLINGS, J. J. #7W	42-219-33706	AVIATOR ENERGY, LLC	Injection	2,000	46,307	4,824–4,900
Active	DELOACHE, IRA P. #40	42-219-33347	BCE-MACH III LLC	Injection	3,000	46,233	4,704–4,757
Active	CENTRAL LEVELLAND UNIT #155W	42-219-30657	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	46,160	4,550–5,000
Active	SLAUGHTER ESTATE UNIT #438	42-219-02394	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	46,133	4,500–5,200
Active	MALLET UNIT #1109	42-219-31300	HILCORP ENGY CO	Injection	2,500	46,122	4,400–5,050
Active	NORTHWEST MALLET UNIT #24W	42-219-00457	OCCIDENTAL PERMIAN EOR, LLC	UIC	500	45,972	4,868–4,993
Active	EAST RKM UNIT #63	42-219-32584	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	45,966	4,750–5,100
Active	LEVELLAND UNIT #972	42-219-35100	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	45,941	4,550–5,100
Active	LEVELLAND UNIT #54W	42-219-02329	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	45,902	4,756–4,900
Active	LEVELLAND UNIT #929	42-219-34607	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	45,830	4,550–5,100
Active	SOUTHEAST LEVELLAND UNIT #270	42-219-33189	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	45,616	4,734–4,973
Active	NORTH CENTRAL LEVELLAND UNIT #145W	42-219-01333	HILCORP ENGY CO	Injection	650	45,588	4,560–5,000
Active	NORTHWEST MALLET UNIT #68W	42-219-00565	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	45,515	4,700–5,200
Active	WEST SUNDOWN UNIT #162	42-219-00044	OXY USA EOR, LLC	Injection	5,100	45,511	4,600–5,600
Active	WEST RKM UNIT #78W	42-219-00398	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	45,397	4,500–5,200
Active	MALLET #90W	42-219-30960	OXY USA WTP EOR, LLC	Injection	1,000	45,281	4,750–5,079
Active	LEVELLAND UNIT #95W	42-219-02488	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	45,236	4,550–5,100
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #63W	42-219-31272	BCE-MACH III LLC	Injection	750	45,191	4,550–4,900
Active	CENTRAL MALLET UNIT #264	42-219-31394	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	45,090	4,923–5,035
Active	SUNDOWN SLAUGHTER UNIT #1255	42-219-30859	BCE-MACH III LLC	Injection	1,200	45,006	4,800–5,100
Active	SUNDOWN UNIT #93	42-219-36990	HILCORP ENGY CO	Injection	5,000	44,956	4,600–5,200
Active	SUNDOWN SLAUGHTER UNIT #1368	42-219-35872	BCE-MACH III LLC	Injection	1,200	44,925	4,600–5,100
Active	SLAUGHTER, ALEX #11	42-219-31709	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,600	44,915	4,905–5,009
Active	WEST SUNDOWN UNIT #220	42-219-30074	OXY USA EOR, LLC	Injection	5,200	44,886	4,600–5,600
Active	SOUTHEAST WHITEFACE UNIT #1404	42-219-33611	RAW OIL & GAS, INC	Injection	500	44,755	4,862–4,879
Active	LEVELLAND UNIT #522W	42-219-30558	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	44,751	4,550–5,100
Active	SLAUGHTER ESTATE UNIT #9CO	42-219-33717	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	44,715	4,700–5,200
Active	SUNDOWN, NE. (SAN ANDRES) UNIT #18	42-219-33917	AVIATOR ENERGY, LLC	Injection	0	44,706	4,838–4,982
Active	MYATT "A" #5	42-219-35729	SIXESS ENGY, LLC	Injection	500	44,624	4,550–4,750

page 12 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.