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	ICEMAN #3	42-219-37540	TEXLAND PETRO, L.P	Injection	500	22,337	6,000–6,600
Active	TEXACO SLAUGHTER ESTATE #12	42-219-36506	BCE-MACH III LLC	Injection	2,200	22,322	7,400–7,768
Active	NORTH CENTRAL LEVELLAND UNIT #254W	42-219-30618	HILCORP ENGY CO	Injection	3,000	22,321	4,500–4,900
Active	SLAUGHTER ESTATE UNIT #24	42-219-00889	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	22,236	4,600–5,200
Active	NORTHWEST MALLET UNIT #36W	42-219-00583	OCCIDENTAL PERMIAN EOR, LLC	UIC	500	22,208	4,890–5,004
Active	LEVELLAND UNIT #523	42-219-30450	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	22,094	4,550–5,100
Active	NORTH CENTRAL LEVELLAND UNIT #194W	42-219-01318	HILCORP ENGY CO	Injection	650	22,053	4,560–5,000
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #72	42-219-32934	BCE-MACH III LLC	Injection	500	22,047	4,650–4,900
Active	GORDON, M. G. #25HW	42-219-31839	WHITE ROCK OIL & GAS, LLC	Injection	1,000	21,975	7,645–7,959
Active	SOUTHEAST LEVELLAND UNIT #72W	42-219-02593	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	21,928	4,688–4,983
Active	LEVELLAND UNIT #126W	42-219-02263	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	21,877	4,550–5,100
Active	YOUNG-HAYS #106	42-219-34806	BURK ROYALTY CO., LTD	Injection	300	21,838	6,320–6,650
Active	EAST MALLET UNIT #48W	42-219-01203	HILCORP ENGY CO	Injection	1,950	21,775	4,700–5,150
Active	BULLINGTON, R. #18	42-219-35625	SIXESS ENGY, LLC	Injection	500	21,735	4,550–4,750
Active	WILLIAMS "B" #1W	42-219-10165	WALSH & WATTS, INC	Disposal	300	21,633	3,000–3,822
Active	MALLET UNIT #105W	42-219-01176	HILCORP ENGY CO	Injection	2,000	21,519	4,400–5,328
Active	HAMILL UNIT #801	42-219-31705	EL RAN INC	Injection	750	21,518	4,574–4,789
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #132	42-219-34553	BCE-MACH III LLC	Injection	500	21,492	4,650–4,900
Active	SUNDOWN SLAUGHTER UNIT #1090B	42-219-35986	BCE-MACH III LLC	Injection	2,200	21,424	4,800–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #159W	42-219-00217	HILCORP ENGY CO	Injection	1,000	21,342	4,500–5,300
Active	SUNDOWN UNIT #101	42-219-37395	HILCORP ENGY CO	Injection	5,300	21,270	4,600–5,300
Active	LEVELLAND "C" #40	42-219-35384	CROSS TIMBERS ENGY, LLC	Injection	350	21,175	4,789–4,855
Active	SOUTHEAST LEVELLAND UNIT #4W	42-219-02597	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	21,047	4,550–5,100
Active	WEST RKM UNIT #75	42-219-02332	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	20,943	4,700–5,100
Active	SLAUGHTER ESTATE UNIT #278	42-219-30479	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	20,680	4,700–5,200
Active	WEST RKM UNIT #325	42-219-37454	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,200	20,425	4,500–5,200
Active	SUNDOWN UNIT #78	42-219-36494	HILCORP ENGY CO	Injection	5,300	20,320	4,600–5,300
Active	GANN, L. D. #13W	42-219-31170	AVIATOR ENERGY, LLC	Injection	800	20,164	4,799–4,923
Active	SMYER, EAST /CLEARFORK/ UNIT #17	42-219-00474	MOMENTUM OPER CO., INC	Injection	700	20,139	5,836–5,916
Active	SLAUGHTER ESTATE UNIT #433	42-219-02434	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	19,853	4,800–5,200
Active	SLAUGHTER, A. A. ESTATE #40W	42-219-34455	BURK ROYALTY CO., LTD	Injection	200	19,713	5,960–6,629
Active	DELOACHE, IRA P. #63	42-219-35521	BCE-MACH III LLC	Injection	3,000	19,427	4,717–4,796
Active	MUSSLEWHITE #1W	42-219-35808	BURK ROYALTY CO., LTD	Injection	800	19,356	6,186–6,322
Active	MALLET UNIT #706W	42-219-01143	HILCORP ENGY CO	Injection	2,300	19,270	4,400–5,384
Active	EAST RKM UNIT #34W	42-219-00352	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	19,173	4,700–5,200
Active	SUNDOWN SLAUGHTER UNIT #1365	42-219-35871	BCE-MACH III LLC	Injection	2,200	19,173	4,700–5,200
Active	SOUTHEAST LEVELLAND UNIT #121W	42-219-30033	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	19,135	4,550–5,100
Active	YELLOWHOUSE UNIT #126	42-219-35251	HILCORP ENGY CO	Injection	1,000	19,100	4,538–4,668
Active	DURRETT #6	42-219-35627	SIXESS ENGY, LLC	Injection	500	18,828	4,550–4,750
Active	CENTRAL MALLET UNIT #280	42-219-31403	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	18,762	4,944–5,073
Active	PHILLIPS, C. M. #5	42-219-35743	SIXESS ENGY, LLC	Injection	500	18,758	4,550–4,750
Active	SUNDOWN SLAUGHTER UNIT #1273W	42-219-30891	BCE-MACH III LLC	Injection	1,200	18,733	4,800–5,100
Active	HAMILL UNIT #1203	42-219-31807	EL RAN INC	Injection	500	18,719	4,736–4,791
Active	ALEXANDER, NAOMI #7W	42-219-00265	KALA OIL COMPANY	Injection	500	18,712	5,003–5,049
Active	WEST RKM UNIT #257	42-219-35066	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	18,647	4,700–5,100
Active	SANDERS #2	42-219-33274	BURK ROYALTY CO., LTD	Injection	300	18,403	4,650–4,800
Active	SMYER, EAST /CLEARFORK/ UNIT #70W	42-219-31285	MOMENTUM OPER CO., INC	Injection	392	18,366	5,400–5,976
Active	CENTRAL MALLET UNIT #76W	42-219-03190	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	18,264	4,936–5,061
Active	ELLWOOD, W. L. ESTATE #2W	42-219-00267	RIM OPER, INC	Injection	2,000	18,133	5,814–6,010
Active	WEST RKM UNIT #270	42-219-35912	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	17,983	4,600–5,200
Active	MAY-MONTGOMERY UNIT #87	42-219-35114	HILCORP ENGY CO	Injection	2,500	17,785	4,550–5,100
Active	MALLET L&C CO. #216	42-219-36909	CROSS TIMBERS ENGY, LLC	Injection	1,000	17,770	4,800–5,150
Active	MALLET L&C CO. #219	42-219-36929	CROSS TIMBERS ENGY, LLC	Injection	1,000	17,730	4,800–5,150
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #98	42-219-33822	BCE-MACH III LLC	Injection	500	17,730	4,650–4,900
Active	SMYER, EAST /CLEARFORK/ UNIT #34W	42-219-03217	MOMENTUM OPER CO., INC	Injection	306	17,660	5,817–5,979
Active	SOUTHEAST WHITEFACE UNIT #1403	42-219-33567	RAW OIL & GAS, INC	Injection	500	17,475	4,855–4,906
Active	EAST MALLET UNIT #27	42-219-01204	HILCORP ENGY CO	Injection	1,950	17,334	4,700–5,150
Active	LEVELLAND UNIT #1163W	42-219-36737	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	17,320	4,550–5,200
Active	NORTH CENTRAL LEVELLAND UNIT #72W	42-219-00204	HILCORP ENGY CO	Injection	1,000	17,170	4,560–5,000
Active	SUNDOWN SLAUGHTER UNIT #2012	42-219-36016	BCE-MACH III LLC	Injection	1,200	17,162	4,800–5,100
Active	WEST RKM UNIT #127W	42-219-01739	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	17,150	4,600–5,200
Active	WEST LEVELLAND UNIT #169W	42-219-02516	HILCORP ENGY CO	Injection	300	17,097	4,650–5,000
Active	ELLIS "B" #2W	42-219-35346	BURK ROYALTY CO., LTD	Injection	300	17,023	5,898–5,947
Active	EAST MALLET UNIT #94	42-219-30932	HILCORP ENGY CO	Injection	1,950	16,765	4,700–5,150
Active	NORTHWEST MALLET UNIT #55W	42-219-00578	OCCIDENTAL PERMIAN EOR, LLC	Injection	500	16,739	4,828–5,002
Active	SOUTHEAST LEVELLAND UNIT #300W	42-219-33816	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	16,523	4,766–4,979
Active	LEVELLAND UNIT #916	42-219-34643	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	16,436	4,550–5,100
Active	COBLE, W. T. "A" NCT-1 #44	42-219-34156	BCE-MACH III LLC	Injection	500	16,126	4,650–4,900
Active	WILSON, MAPLE #92W	42-219-33110	HILCORP ENGY CO	Injection	500	16,090	4,700–5,000
Active	WILSON, MAPLE #56W	42-219-31742	HILCORP ENGY CO	Injection	700	16,062	4,700–5,100
Active	SUNDOWN UNIT #74WI	42-219-36080	HILCORP ENGY CO	Injection	5,300	16,048	4,600–5,300
Active	NORTHWEST MALLET UNIT #1W	42-219-00546	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,200	15,710	4,700–5,200
Active	WEST RKM UNIT #134W	42-219-00051	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	15,679	4,600–5,200
Active	CENTRAL MALLET UNIT #18	42-219-00824	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	15,645	4,944–5,051
Active	COOK #3W	42-219-36085	BURK ROYALTY CO., LTD	Injection	800	15,610	7,120–8,260
Active	SLAUGHTER, A. A. ESTATE #83 W	42-219-35843	BURK ROYALTY CO., LTD	Injection	300	15,505	5,878–6,590
Active	SLAUGHTER ESTATE UNIT #84W	42-219-03167	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,140	15,484	4,600–5,400
Active	MALLET #120W	42-219-33344	OXY USA WTP EOR, LLC	Injection	5,000	15,458	4,750–5,200
Active	SOUTHEAST LEVELLAND UNIT #320W	42-219-35015	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	15,381	4,550–5,100
Active	TEXACO SLAUGHTER ESTATE #5W	42-219-36321	BCE-MACH III LLC	Injection	2,200	15,240	7,400–8,300
Active	SLAUGHTER CONSOLIDATED #216	42-219-36668	HILCORP ENGY CO	Injection	5,150	15,209	7,100–8,600
Active	WEST LEVELLAND UNIT #171W	42-219-02517	HILCORP ENGY CO	Injection	300	15,183	4,650–5,000
Active	SOUTHEAST LEVELLAND UNIT #375	42-219-37406	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	15,142	4,500–5,100
Active	HUDGENS, L. F. #5W	42-219-00319	CROSS TIMBERS ENGY, LLC	Injection	1,000	15,130	4,980–5,035
Active	ELLWOOD, W. L. ESTATE #4W	42-219-00268	RIM OPER, INC	UIC	1,000	15,103	5,838–5,981
Active	CENTRAL MALLET UNIT #310	42-219-31536	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	15,065	4,850–5,150
Active	SMYER, EAST /CLEARFORK/ UNIT #35X	42-219-31035	MOMENTUM OPER CO., INC	Injection	700	14,956	5,815–5,920
Active	CENTRAL MALLET UNIT #385	42-219-36579	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	14,912	4,850–5,400
Active	WEST RKM UNIT #315	42-219-37125	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	14,714	4,600–5,400
Active	ROBERTS #4	42-219-33421	THREE SPAN OIL & GAS, INC	Injection	1,000	14,636	4,732–4,796
Active	NORTH LEVELLAND UNIT #802	42-219-36116	BCE-MACH III LLC	Injection	500	14,625	4,650–5,000
Active	SOUTHEAST LEVELLAND UNIT #217W	42-219-32361	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	14,576	4,550–5,100
Active	COOK #4W	42-219-36099	BURK ROYALTY CO., LTD	Injection	800	14,576	7,100–7,900
Active	CENTRAL MALLET UNIT #287	42-219-31406	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	14,573	4,850–5,150
Active	NORTH CENTRAL LEVELLAND UNIT #19W	42-219-30785	HILCORP ENGY CO	Injection	1,000	14,506	4,750–4,850
Active	SOUTHEAST LEVELLAND UNIT #218W	42-219-32356	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	14,497	4,550–5,100
Active	WEST RKM UNIT #218	42-219-31473	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	14,359	4,700–5,100
Active	MALLET UNIT #506W	42-219-31298	HILCORP ENGY CO	Injection	2,000	14,330	4,400–5,403
Active	TOWNER #2W	42-219-35545	BURK ROYALTY CO., LTD	Injection	300	14,248	5,894–5,946
Active	CENTRAL MALLET UNIT #271	42-219-31381	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	14,246	4,933–5,041

page 16 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.