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	COBLE, W. T. "A" NCT-1 #43	42-219-33646	BCE-MACH III LLC	Injection	500	44,589	4,650–4,900
Active	GORDON, M. G. #10	42-219-00498	WHITE ROCK OIL & GAS, LLC	Injection	1,000	44,553	4,168–5,648
Active	WEST SUNDOWN UNIT #192	42-219-01677	OXY USA EOR, LLC	Injection	5,200	44,329	4,600–5,600
Active	SLAUGHTER, A. A. ESTATE #144	42-219-35696	BURK ROYALTY CO., LTD	Injection	300	44,182	5,884–5,914
Active	EAST MALLET UNIT #34W	42-219-01116	HILCORP ENGY CO	Injection	2,500	44,058	4,400–5,005
Active	LEVELLAND UNIT #C 28	42-219-35049	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,200	43,998	4,735–5,000
Active	SUNDOWN SLAUGHTER UNIT #1186A	42-219-35985	BCE-MACH III LLC	Injection	2,200	43,893	4,800–5,200
Active	SLAUGHTER ESTATE UNIT #237	42-219-00930	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	43,817	4,700–5,200
Active	SUNDOWN SLAUGHTER UNIT #1280	42-219-30890	BCE-MACH III LLC	Injection	1,200	43,782	4,800–5,100
Active	SOUTHEAST LEVELLAND UNIT #358	42-219-36635	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	43,705	4,550–5,100
Active	NORTHWEST MALLET UNIT #2W	42-219-00595	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	43,691	4,600–5,200
Active	MALLET UNIT #1143W	42-219-35063	HILCORP ENGY CO	Injection	2,500	43,648	4,400–5,087
Active	CENTRAL MALLET UNIT #272	42-219-31380	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	43,568	4,916–5,053
Active	SUNDOWN SLAUGHTER UNIT #1180	42-219-10319	BCE-MACH III LLC	UIC	2,200	43,564	4,800–5,200
Active	CENTRAL LEVELLAND UNIT #118W	42-219-02222	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	43,515	4,550–5,000
Active	EAST RKM UNIT #13W	42-219-00084	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	43,476	4,500–5,200
Active	LEVELLAND "C" #32	42-219-35391	CROSS TIMBERS ENGY, LLC	Injection	350	43,469	4,754–4,822
Active	NORTH LEVELLAND UNIT #301HW	42-219-00004	BCE-MACH III LLC	Injection	500	43,352	4,500–5,000
Active	LEVELLAND "L" #6	42-219-33745	CROSS TIMBERS ENGY, LLC	Injection	350	43,350	4,737–4,782
Active	LEVELLAND UNIT #245W	42-219-02234	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	43,305	4,550–5,100
Active	LEVELLAND "C" #7	42-219-32490	CROSS TIMBERS ENGY, LLC	Injection	350	43,260	4,772–4,814
Active	NORTH CENTRAL LEVELLAND UNIT #34W	42-219-01319	HILCORP ENGY CO	Injection	3,000	43,240	4,500–4,800
Active	CENTRAL MALLET UNIT #181W	42-219-10484	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	43,236	4,600–5,300
Active	SUNDOWN SLAUGHTER UNIT #3002	42-219-02701	BCE-MACH III LLC	Injection	2,200	43,125	4,800–5,200
Active	SLAUGHTER ESTATE UNIT #385	42-219-34288	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	43,074	4,800–5,200
Active	SLAUGHTER, ALEX #30	42-219-37313	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,072	43,051	4,600–5,400
Active	CENTRAL MALLET UNIT #392	42-219-36897	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	43,027	4,800–5,200
Active	SOUTHEAST LEVELLAND UNIT #261	42-219-33219	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	42,958	4,736–5,013
Active	SUNDOWN SLAUGHTER UNIT #7031	42-219-31007	BCE-MACH III LLC	Injection	2,200	42,928	4,700–5,200
Active	SLAUGHTER, ALEX #28	42-219-37312	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,072	42,895	4,600–5,400
Active	MALLET L&C CO. #224	42-219-36912	CROSS TIMBERS ENGY, LLC	Injection	1,000	42,860	4,800–5,150
Active	NORTH CENTRAL LEVELLAND UNIT #202W	42-219-01003	HILCORP ENGY CO	Injection	650	42,683	4,560–5,000
Active	SOUTHEAST LEVELLAND UNIT #197W	42-219-31056	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	42,637	4,769–5,002
Active	YELLOWHOUSE UNIT #38W	42-219-01574	HILCORP ENGY CO	Injection	2,550	42,613	4,450–4,583
Active	RATLIFF, C. E. #7W	42-219-33412	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	42,596	4,735–4,922
Active	SLAUGHTER, BOB #616W	42-219-37500	BCE-MACH III LLC	Injection	2,200	42,571	7,400–8,200
Active	COBLE, W. T. "B" NCT-1 #9	42-219-34161	BCE-MACH III LLC	Injection	1,000	42,500	4,787–4,879
Active	WEST LEVELLAND UNIT #317W	42-219-35372	HILCORP ENGY CO	Injection	300	42,471	4,750–5,000
Active	LEVELLAND "E" #5	42-219-35386	CROSS TIMBERS ENGY, LLC	Injection	350	42,430	4,744–4,811
Active	CENTRAL MALLET UNIT #43	42-219-00812	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	42,421	4,600–5,300
Active	SUNDOWN SLAUGHTER UNIT #1325	42-219-31331	BCE-MACH III LLC	Injection	2,200	42,414	4,800–5,100
Active	MALLET UNIT #215W	42-219-02841	HILCORP ENGY CO	Injection	2,000	42,342	4,400–5,350
Active	NORTH CENTRAL LEVELLAND UNIT #123W	42-219-30458	HILCORP ENGY CO	Injection	1,000	42,290	4,650–5,000
Active	CENTRAL LEVELLAND UNIT #151W	42-219-30632	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	42,287	4,550–5,000
Active	CENTRAL MALLET UNIT #291	42-219-31386	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,800	42,275	4,850–5,150
Active	SOUTHEAST WHITEFACE UNIT #2009	42-219-36852	RAW OIL & GAS, INC	Injection	500	42,224	4,800–5,000
Active	SUNDOWN SLAUGHTER UNIT #1262	42-219-30865	BCE-MACH III LLC	Injection	1,200	42,134	4,800–5,100
Active	DOYLE #8W	42-219-35357	BURK ROYALTY CO., LTD	Injection	300	42,003	5,906–5,964
Active	SOUTHEAST LEVELLAND UNIT #196W	42-219-31064	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	42,001	4,768–5,006
Active	EAST RKM UNIT #46	42-219-32558	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	41,933	4,750–5,100
Active	LEVELLAND UNIT #325W	42-219-00962	OCCIDENTAL PERMIAN EOR, LLC	Injection	1,000	41,874	4,732–4,906
Active	LEVELLAND "C" #33	42-219-35390	CROSS TIMBERS ENGY, LLC	Injection	350	41,800	4,759–4,826
Active	CENTRAL MALLET UNIT #135	42-219-00837	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	41,764	4,600–5,300
Active	CENTRAL LEVELLAND UNIT #65AW	42-219-35255	OCCIDENTAL PERMIAN EOR, LLC	Injection	800	41,763	4,750–4,900
Active	NORTH LEVELLAND UNIT #501	42-219-00005	BCE-MACH III LLC	Injection	500	41,755	4,650–5,000
Active	LEVELLAND UNIT #577	42-219-30578	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	41,686	4,550–5,100
Active	SMYER, EAST /CLEARFORK/ UNIT #46W	42-219-03224	MOMENTUM OPER CO., INC	Injection	300	41,651	5,888–5,931
Active	SMYER, EAST /CLEARFORK/ UNIT #1W	42-219-01018	MOMENTUM OPER CO., INC	Injection	306	41,646	5,848–6,000
Active	NORTH CENTRAL LEVELLAND UNIT #208AW	42-219-30784	HILCORP ENGY CO	Injection	1,000	41,543	4,560–5,000
Active	SOUTHEAST LEVELLAND UNIT #205	42-219-31229	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,150	41,528	4,500–5,100
Active	SUNDOWN SLAUGHTER UNIT #1108A	42-219-33818	BCE-MACH III LLC	Injection	2,200	41,362	4,700–5,200
Active	SUNDOWN SLAUGHTER UNIT #1371	42-219-36015	BCE-MACH III LLC	Injection	1,200	41,300	4,800–5,100
Active	WEST RKM UNIT #142	42-219-00046	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	41,292	4,600–5,200
Active	MYATT "A" #7	42-219-35730	SIXESS ENGY, LLC	Injection	500	41,147	4,550–4,750
Active	SLAUGHTER, A. A. ESTATE #130W	42-219-34615	BURK ROYALTY CO., LTD	Injection	1,200	41,136	5,880–6,590
Active	REEVES #5	42-219-33263	AVIATOR ENERGY, LLC	Injection	400	41,053	4,852–4,879
Active	MONTGOMERY ESTATE-DAVIES NCT-2 #93	42-219-33667	BCE-MACH III LLC	Injection	500	40,834	4,650–4,900
Active	MALLET L&C CO. #105	42-219-34656	CROSS TIMBERS ENGY, LLC	Injection	1,000	40,560	4,800–5,150
Active	MALLET #66W	42-219-01388	OXY USA WTP EOR, LLC	Injection	1,000	40,528	4,922–5,012
Active	SUNDOWN SLAUGHTER UNIT #1077HA	42-219-36191	BCE-MACH III LLC	Injection	2,200	40,372	4,700–5,200
Active	WEST LEVELLAND UNIT #318W	42-219-35373	HILCORP ENGY CO	Injection	300	40,305	4,750–5,000
Active	MALLET #99W	42-219-31141	OXY USA WTP EOR, LLC	Injection	5,000	40,143	4,700–5,200
Active	LEVELLAND UNIT #527	42-219-30394	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	40,110	4,550–5,100
Active	SUNDOWN SLAUGHTER UNIT #1372	42-219-35963	BCE-MACH III LLC	Injection	1,200	40,079	4,800–5,100
Active	MALLET L&C CO. #205	42-219-36865	CROSS TIMBERS ENGY, LLC	Injection	1,000	40,060	4,800–5,150
Active	TYNER UNIT #206W	42-219-01448	OXY USA WTP EOR, LLC	Injection	500	40,056	4,865–4,905
Active	WEST RKM UNIT #100W	42-219-03140	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	40,033	4,600–5,200
Active	MAY-MONTGOMERY UNIT #31W	42-219-01514	HILCORP ENGY CO	Injection	1,200	39,990	4,807–4,891
Active	COMBS, SAM #4W	42-219-35744	SIXESS ENGY, LLC	Injection	500	39,930	4,550–4,750
Active	SLAUGHTER ESTATE UNIT #8CO	42-219-33718	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	39,917	4,700–5,200
Active	CENTRAL LEVELLAND UNIT #162AW	42-219-35256	OCCIDENTAL PERMIAN EOR, LLC	Injection	800	39,778	4,750–4,900
Active	SLAUGHTER ESTATE UNIT #4001	42-219-37317	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,140	39,604	4,600–5,400
Active	SLAUGHTER ESTATE UNIT #63	42-219-00508	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	39,537	4,800–5,200
Active	WEST RKM UNIT #253	42-219-35083	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,120	39,274	4,700–5,100
Active	POST-MONTGOMERY #3AW	42-219-36256	BCE-MACH III LLC	Injection	500	39,102	4,650–4,900
Active	MALLET #97W	42-219-31140	OXY USA WTP EOR, LLC	Injection	5,000	39,075	4,700–5,200
Active	LEVELLAND UNIT #938	42-219-34648	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	38,997	4,550–5,100
Active	SMYER, EAST /CLEARFORK/ UNIT #21W	42-219-03236	MOMENTUM OPER CO., INC	Injection	300	38,992	5,798–5,965
Active	EAST RKM UNIT #4W	42-219-00368	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	38,949	4,650–5,200
Active	SLAUGHTER, ALEX #29	42-219-37314	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,072	38,942	4,600–5,400
Active	LAWSON "A" #8	42-219-35295	DOUBLE BARREL OIL LLC	Injection	200	38,855	4,680–4,760
Active	SMYER, EAST /CLEARFORK/ UNIT #81	42-219-31729	MOMENTUM OPER CO., INC	Injection	306	38,817	5,868–5,942
Active	SMYER, EAST /CLEARFORK/ UNIT #32 R	42-219-35869	MOMENTUM OPER CO., INC	Injection	700	38,744	5,776–5,914
Active	NORTH CENTRAL LEVELLAND UNIT #198W	42-219-01011	HILCORP ENGY CO	Injection	1,000	38,639	4,560–5,000
Active	LEVELLAND UNIT #51W	42-219-02331	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	38,577	4,400–5,100
Active	POST MONTGOMERY LO.CLFK.WF UNIT #1504	42-219-37189	CHI OPER, INC	Injection	800	38,563	7,145–7,252
Active	SOUTHEAST LEVELLAND UNIT #365	42-219-36724	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	38,492	4,550–5,100
Active	LEVELLAND UNIT #195G	42-219-02029	OCCIDENTAL PERMIAN EOR, LLC	Injection	700	38,466	4,767–4,896
Active	SMYER, EAST /CLEARFORK/ UNIT #16W	42-219-03240	MOMENTUM OPER CO., INC	Injection	306	38,416	5,839–5,917
Active	COBLE, W. T. "B" NCT-1 #1	42-219-02721	BCE-MACH III LLC	Injection	500	38,381	4,650–4,900

page 13 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.