Saltwater Disposal Wells in Ector County

Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.

Active Wells

3,022

Permitted Capacity

8.9M bbl/d

Injected 12mo (thru 2025-06)

262.1M bbl

UIC Permits All Time

6,516

Ector County produced-water market → capacity trends, top holders, permit velocity

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	GOLDSMITH-CUMMINS /DEEP/ UNIT #238	42-135-37397	FORMENTERA OPERATIONS LLC	Injection	2,500	7,300	5,500–6,500
Active	WEST GOLDSMITH UNIT #3906W	42-135-33939	AGHORN OPER, INC	Injection	500	6,999	4,250–4,322
Active	GOLDSMITH, C. A., ETAL #1246W	42-135-30248	HILCORP ENGY CO	Injection	2,000	6,968	4,969–7,867
Active	SOUTH COWDEN UNIT #213W	42-135-04816	CONOCOPHILLIPS CO	Injection	2,000	6,880	4,455–4,712
Active	EAST HARPER UNIT #305W	42-135-03294	AGHORN OPER, INC	Injection	650	6,717	3,853–4,150
Active	NORTH COWDEN UNIT #280W	42-135-02737	OCCIDENTAL PERMIAN LTD	Injection	5,000	6,542	3,700–5,600
Active	KLOH-B-- #2W	42-135-07492	BAKER OPER, INC	Injection	400	6,468	4,230–4,285
Active	EMMONS UNIT #134	42-135-36562	AGHORN OPER, INC	Injection	5,000	6,428	4,500–4,775
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #459	42-135-41699	OCCIDENTAL PERMIAN LTD	Injection	5,000	6,320	5,200–6,800
Active	KLOH-B-- #1W	42-135-33788	BAKER OPER, INC	Injection	500	6,182	4,200–4,500
Active	FOSTER-PEGUES UNIT #14	42-135-38468	LAGUNA PETRO CORP	Injection	1,000	6,143	3,750–4,600
Active	GOLDSMITH SAN ANDRES UNIT #191W	42-135-00605	HILCORP ENGY CO	Injection	2,000	6,113	3,854–5,111
Active	KLOH-B-- #7W	42-135-32891	BAKER OPER, INC	Injection	400	6,111	4,200–4,500
Active	KLOH-B-- #5W	42-135-32887	BAKER OPER, INC	Injection	400	6,111	4,200–4,400
Active	TXL -A- #1W	42-135-06072	WALSH & WATTS, INC	Injection	1,000	6,086	3,965–4,200
Active	MOSS GRAYBURG-SAN ANDRES UNIT #112W	42-135-36976	OXY USA INC	Injection	1,000	6,005	3,900–4,400
Active	COWDEN, ELLIOTT F., -A- #175	42-135-35683	OCCIDENTAL PERMIAN LTD	Injection	1,000	6,000	3,800–4,600
Active	NORTH FOSTER UNIT #160W	42-135-38132	AGHORN OPER, INC	Injection	1,000	5,971	4,000–4,200
Active	GOLDSMITH, C. A., ETAL #691	42-135-01069	HILCORP ENGY CO	Injection	2,000	5,800	4,969–7,867
Active	NORTH COWDEN UNIT #129	42-135-01757	OCCIDENTAL PERMIAN LTD	Injection	5,000	5,673	3,700–5,600
Active	ADDIS, FRANK V. -D- #8	42-135-38237	OCCIDENTAL PERMIAN LTD	Injection	1,000	5,625	3,650–4,600
Active	NORTH COWDEN UNIT #1560	42-135-38111	OCCIDENTAL PERMIAN LTD	Injection	5,000	5,591	3,950–4,800
Active	GOLDSMITH, C. A., ETAL #2605W	42-135-43653	HILCORP ENGY CO	Injection	3,000	5,351	5,483–7,000
Active	VEST -BCD- #2W	42-135-08024	LIBERTAD OPER LLC	Disposal	1,000	5,287	3,685–6,000
Active	GOLDSMITH SAN ANDRES UNIT #C009W	42-135-03486	HILCORP ENGY CO	Injection	2,000	5,195	3,854–5,111
Active	SLATOR #3	42-135-36351	LAST MILE PRODUCTION, LLC	Injection	20,000	5,051	4,440–4,493
Active	PARKER "A" #10	42-135-33391	ACOMA OPER, LLC	Injection	500	4,883	3,740–4,370
Active	TXL SOUTH UNIT #4102	42-135-03664	FORMENTERA OPERATIONS LLC	Injection	2,000	4,738	5,300–6,500
Active	EAST COWDEN (GRAYBURG) UNIT #71W	42-135-35283	BASIN OIL & GAS OPER, LLC	Injection	2,500	4,572	4,184–4,595
Active	WEST GRAYBURG UNIT #35W	42-135-33405	OCCIDENTAL PERMIAN LTD	Injection	5,000	4,501	3,600–4,600
Active	GOLDSMITH, C. A., ETAL #1702W	42-135-39117	HILCORP ENGY CO	Injection	2,000	4,489	4,969–7,867
Active	GOLDSMITH ANDECTOR UNIT #H 17W	42-135-09004	MAVERICK PERMIAN LLC	Injection	1,800	4,480	5,397–6,340
Active	GOLDSMITH, C. A., ETAL #2504W	42-135-43343	HILCORP ENGY CO	Injection	5,000	4,466	4,969–7,867
Active	KAYSER, EVA #17	42-135-36705	AGHORN OPER, INC	Injection	1,000	4,458	3,700–4,450
Active	NORTH COWDEN UNIT #230	42-135-07700	OCCIDENTAL PERMIAN LTD	Injection	2,000	4,397	3,900–4,900
Active	FOSTER-JOHNSON UNIT #102W	42-135-08962	AGHORN OPER, INC	Injection	600	4,387	4,029–4,273
Active	WEST GOLDSMITH UNIT #5606	42-135-33798	AGHORN OPER, INC	Injection	400	4,307	4,273–4,352
Active	EAST PENWELL /SAN ANDRES/ UNIT #213W	42-135-39336	BCE-MACH III LLC	Injection	2,000	4,304	3,400–3,950
Active	WEST GOLDSMITH UNIT #2404W	42-135-35044	AGHORN OPER, INC	Injection	500	4,289	4,313–4,454
Active	WEST GOLDSMITH UNIT #4006W	42-135-33943	AGHORN OPER, INC	Injection	0	4,187	4,252
Active	SOUTH FOSTER UNIT #143W	42-135-30656	OCCIDENTAL PERMIAN LTD	Injection	2,500	3,905	4,124–4,381
Active	WEST GOLDSMITH UNIT #5607	42-135-33797	AGHORN OPER, INC	Injection	400	3,827	4,294–4,380
Active	WEST GOLDSMITH UNIT #5505W	42-135-32753	AGHORN OPER, INC	Injection	500	3,719	4,287–4,364
Active	FOSTER, H. C. #4WI	42-135-04859	OCCIDENTAL PERMIAN LTD	Injection	2,500	3,693	3,700–4,500
Active	TXL NORTH UNIT #450W	42-135-35694	FORMENTERA OPERATIONS LLC	Injection	3,000	3,692	5,300–7,100
Active	GOLDSMITH ANDECTOR UNIT #K 13W	42-135-00191	MAVERICK PERMIAN LLC	Injection	2,000	3,580	5,400–6,550
Active	TXL SOUTH UNIT #4002W	42-135-03982	FORMENTERA OPERATIONS LLC	Injection	2,000	3,525	5,300–6,500
Active	COWDEN, R. B. -A- #3	42-135-00264	ANDECTOR EXPL CO	Injection	400	3,426	4,300–4,500
Active	GOLDSMITH, EAST HOLT UNIT #1907	42-135-33848	SCOUT ENGY MANAGEMENT LLC	Injection	12,000	3,416	5,100–5,450
Active	PENWELL UNIT #2338W	42-135-01557	CROSS TIMBERS ENGY, LLC	Injection	1,900	3,375	3,448–3,880
Active	JOHNSON, J. L. -B- #172W	42-135-35033	BASIN OIL & GAS OPER, LLC	Injection	900	3,220	4,000–4,600
Active	JOHNSON GBSA UNIT #2108W	42-135-04251	OXY USA WTP LP	Injection	1,500	3,054	3,900–4,194
Active	NORTH COWDEN UNIT #59W	42-135-01844	OCCIDENTAL PERMIAN LTD	Injection	5,000	2,993	4,260–4,706
Active	SOUTH FOSTER UNIT #132W	42-135-30214	OCCIDENTAL PERMIAN LTD	Injection	2,500	2,910	4,071–4,370
Active	WITCHER, J. E. #3	42-135-06879	LAGUNA PETRO CORP	Injection	1,000	2,870	3,750–4,600
Active	NORTH COWDEN UNIT #1357W	42-135-35778	OCCIDENTAL PERMIAN LTD	Injection	5,000	2,860	3,700–5,600
Active	WITCHER, J. E. -A- #8	42-135-06861	OCCIDENTAL PERMIAN LTD	Injection	1,000	2,697	3,850–4,400
Active	BLACK OAK SWD #1	42-135-41902	DIRECT MIDSTREAM LLC	Injection	10,000	2,679	5,100–5,500
Active	NORTH FOSTER UNIT #6W	42-135-03964	AGHORN OPER, INC	Injection	1,000	2,484	3,900–4,283
Active	T X L #4	42-135-21247	BAKER OPER, INC	Injection	200	2,471	4,300–4,532
Active	FOSTER-PEGUES UNIT #F 4	42-135-30733	LAGUNA PETRO CORP	Injection	2,500	2,461	3,750–4,600
Active	KAYSER, EVA #10	42-135-36617	AGHORN OPER, INC	Injection	1,000	2,451	3,786–4,242
Active	NORTH COWDEN UNIT #216W	42-135-02750	OCCIDENTAL PERMIAN LTD	Injection	5,550	2,383	3,250–5,600
Active	BROCK, L. E. #5U	42-135-30295	LAGUNA PETRO CORP	Injection	5,000	2,300	3,600–4,600
Active	MOSS GRAYBURG-SAN ANDRES UNIT #312W	42-135-36981	OXY USA INC	Injection	1,000	2,210	3,900–4,400
Active	EAST PENWELL /SAN ANDRES/ UNIT #1958	42-135-31804	BCE-MACH III LLC	Injection	1,000	2,000	3,550–3,720
Active	CARLINVILLE SWD #5	42-135-02456	FORMENTERA OPERATIONS LLC	Injection	4,000	1,986	10,500–10,900
Active	NORTH COWDEN UNIT #268W	42-135-02741	OCCIDENTAL PERMIAN LTD	Injection	5,000	1,961	3,700–5,600
Active	CUMMINS -D- #30W	42-135-20398	HILCORP ENGY CO	Injection	1,000	1,854	4,150–4,350
Active	GOLDSMITH ANDECTOR UNIT #E 9 W	42-135-37965	MAVERICK PERMIAN LLC	Injection	2,000	1,850	5,378–6,680
Active	MOSS GRAYBURG-SAN ANDRES UNIT #204W	42-135-33464	OXY USA INC	Injection	1,000	1,799	3,900–4,400
Active	MOSS GRAYBURG-SAN ANDRES UNIT #310W	42-135-36974	OXY USA INC	Injection	1,000	1,797	3,900–4,400
Active	HOLT, O. B. #85	42-135-31503	TEXLAND PETRO, L.P	Injection	1,200	1,776	4,100–4,560
Active	MOSS GRAYBURG-SAN ANDRES UNIT #307W	42-135-33463	OXY USA INC	Injection	1,000	1,743	3,900–4,400
Active	NORTH COWDEN UNIT #40W	42-135-01849	OCCIDENTAL PERMIAN LTD	Injection	5,000	1,731	3,700–5,600
Active	NORTH COWDEN UNIT #68W	42-135-01857	OCCIDENTAL PERMIAN LTD	Injection	5,000	1,691	4,440–4,820
Active	KAYSER, EVA #18	42-135-36709	AGHORN OPER, INC	Injection	1,000	1,683	3,700–4,450
Active	GOLDSMITH, C. A., ETAL #513W	42-135-00892	HILCORP ENGY CO	Injection	2,000	1,555	4,969–7,867
Active	TXL #3	42-135-05725	WALSH & WATTS, INC	Injection	1,000	1,538	3,825–4,172
Active	GOLDSMITH, C. A., ETAL #692W	42-135-01070	HILCORP ENGY CO	Injection	2,000	1,512	4,969–7,867
Active	KAYSER, EVA #19	42-135-36708	AGHORN OPER, INC	Injection	1,000	1,483	3,700–4,450
Active	WEST GOLDSMITH UNIT #5608	42-135-33796	AGHORN OPER, INC	Injection	400	1,449	4,342–4,377
Active	JOHNSON, J. L. "P" #12W	42-135-35198	AGHORN OPER, INC	Injection	2,000	1,432	4,065–4,420
Active	JOHNSON, J. L., UNIT #402W	42-135-03885	O'RYAN OIL AND GAS	Injection	400	1,400	3,904–4,234
Active	NORTH COWDEN UNIT #1148	42-135-34329	OCCIDENTAL PERMIAN LTD	Injection	5,000	1,385	3,700–5,600
Active	FOSTER #8	42-135-39091	PAR DEV	Injection	2,500	1,320	4,363–4,551
Active	EAST PENWELL /SAN ANDRES/ UNIT #1919W	42-135-42934	BCE-MACH III LLC	Injection	2,000	1,306	3,400–3,800
Active	NORTH COWDEN UNIT #369W	42-135-06784	OCCIDENTAL PERMIAN LTD	Injection	1,000	1,285	4,041–4,520
Active	GOLDSMITH SAN ANDRES UNIT #38W	42-135-00453	HILCORP ENGY CO	Injection	2,000	1,283	3,854–5,111
Active	WEST JORDAN UNIT #1207	42-135-08572	EXTEX OPER CO	Injection	1,500	1,279	3,400–3,602
Active	JOHNSON, J. L. "P" #6W	42-135-32772	AGHORN OPER, INC	Injection	2,000	1,254	4,040–4,380
Active	MOSS, PAUL #10W	42-135-02003	LAGUNA PETRO CORP	UIC	800	1,218	3,985–4,280
Active	COWDEN, E. F. -A- - -B- #14	42-135-31115	AGHORN OPER, INC	Injection	500	1,114	4,094–4,363
Active	JOHNSON, J. L., UNIT #301WR	42-135-04067	O'RYAN OIL AND GAS	Injection	400	1,082	3,932–4,206
Active	JOHNSON, J. L. "P" #7W	42-135-32945	AGHORN OPER, INC	Injection	2,000	1,063	4,100–4,410
Active	FOSTER-PEGUES UNIT #15	42-135-38469	LAGUNA PETRO CORP	Injection	1,000	1,036	3,750–4,600
Active	JOHNSON, J. L. -B- #95W	42-135-33048	BASIN OIL & GAS OPER, LLC	Injection	2,500	1,015	4,050–4,350
Active	CORRIGAN COWDEN UNIT #327	42-135-36098	OXY USA INC	Injection	2,000	928	4,100–4,600
Active	FEE "ZG" #31	42-135-34614	FASKEN OIL AND RANCH, LTD	Injection	10,000	845	9,100–9,400
Active	CORRIGAN COWDEN UNIT #310W	42-135-30877	OXY USA INC	Injection	2,000	814	4,100–4,600

page 20 of 66 · 6,516 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.