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	COWDEN, ELLIOTT F., -A- #31W	42-135-03371	OCCIDENTAL PERMIAN LTD	Injection	5,000	167,245	3,700–4,800
Active	GIST UNIT #34W	42-135-04183	AGHORN OPER, INC	Injection	1,200	167,183	4,018–4,300
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #564	42-135-42117	OCCIDENTAL PERMIAN LTD	Injection	5,000	166,785	5,200–6,800
Active	NORTH COWDEN UNIT #1336W	42-135-35729	OCCIDENTAL PERMIAN LTD	Injection	1,000	166,521	3,900–4,900
Active	NORTH COWDEN UNIT #337W	42-135-06772	OCCIDENTAL PERMIAN LTD	Injection	5,000	166,520	3,700–5,600
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #119W	42-135-06409	OCCIDENTAL PERMIAN LTD	Injection	5,000	166,470	5,200–6,400
Active	NORTH COWDEN UNIT #1185	42-135-34923	OCCIDENTAL PERMIAN LTD	Injection	5,000	166,458	3,700–5,600
Active	HOLT, FAY #12X	42-135-36644	OXY USA INC	Injection	2,500	166,417	5,050–5,550
Active	JOHNSON GBSA UNIT #2808W	42-135-36386	OXY USA WTP LP	Injection	1,000	166,400	4,090–4,119
Active	EAST HARPER UNIT #386W	42-135-35189	AGHORN OPER, INC	Injection	700	166,302	4,071–4,344
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #107W	42-135-06241	OCCIDENTAL PERMIAN LTD	Injection	2,500	166,166	5,450–6,400
Active	GOLDSMITH ANDECTOR UNIT #L 15W	42-135-03140	MAVERICK PERMIAN LLC	Injection	1,800	166,020	5,351–6,310
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #42W	42-135-06247	OCCIDENTAL PERMIAN LTD	Injection	5,000	165,658	5,200–6,800
Active	NORTH COWDEN UNIT #1489	42-135-37158	OCCIDENTAL PERMIAN LTD	Injection	2,000	165,544	4,000–4,600
Active	SOUTH FOSTER UNIT #12WI	42-135-33058	OCCIDENTAL PERMIAN LTD	Injection	2,500	165,390	3,994–4,179
Active	TXL NORTH UNIT #790	42-135-05451	FORMENTERA OPERATIONS LLC	Injection	2,000	165,364	5,300–6,880
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #578	42-135-42198	OCCIDENTAL PERMIAN LTD	Injection	5,000	165,164	5,200–6,800
Active	EAST PENWELL /SAN ANDRES/ UNIT #307	42-135-07905	BCE-MACH III LLC	Injection	1,200	165,006	3,552–3,672
Active	JOHNSON GBSA UNIT #2119W	42-135-36465	OXY USA WTP LP	Injection	1,000	164,954	4,083–4,157
Active	NORTH COWDEN UNIT #884	42-135-31254	OCCIDENTAL PERMIAN LTD	Injection	5,000	164,574	3,700–5,600
Active	NORTH COWDEN UNIT #894W	42-135-31305	OCCIDENTAL PERMIAN LTD	Injection	5,000	164,555	3,700–5,600
Active	NORTH COWDEN UNIT #395W	42-135-06773	OCCIDENTAL PERMIAN LTD	Injection	5,000	164,514	4,000–4,600
Active	EAST HARPER UNIT #378W	42-135-20339	AGHORN OPER, INC	Injection	2,000	164,334	3,772–4,274
Active	NORTH COWDEN UNIT #539W	42-135-30433	OCCIDENTAL PERMIAN LTD	Injection	1,000	164,270	4,052–4,427
Active	COWDEN, J. M. R/A -A- #98W	42-135-02824	OCCIDENTAL PERMIAN LTD	Injection	2,500	164,214	5,000–5,500
Active	SOUTH FOSTER UNIT #3W	42-135-04786	OCCIDENTAL PERMIAN LTD	Injection	1,000	163,957	3,950–4,289
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #686	42-135-42455	OCCIDENTAL PERMIAN LTD	Injection	5,000	163,621	5,200–6,430
Active	NORTH COWDEN UNIT #1096	42-135-33653	OCCIDENTAL PERMIAN LTD	Injection	5,000	163,564	3,700–5,600
Active	COCHRAN, W. C. #10WI	42-135-36340	TEXLAND PETRO, L.P	Injection	2,000	163,370	5,152–5,333
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #6	42-135-03399	OCCIDENTAL PERMIAN LTD	Injection	5,000	163,338	5,200–6,800
Active	NORTH COWDEN UNIT #1171W	42-135-34852	OCCIDENTAL PERMIAN LTD	Injection	5,000	163,164	3,700–5,600
Active	NORTH COWDEN UNIT #1391W	42-135-35788	OCCIDENTAL PERMIAN LTD	Injection	5,000	163,082	3,700–5,600
Active	SOUTH FOSTER UNIT #225	42-135-42689	OCCIDENTAL PERMIAN LTD	Injection	5,000	163,054	3,650–4,300
Active	SOUTH FOSTER UNIT #138W	42-135-30731	OCCIDENTAL PERMIAN LTD	Injection	1,000	163,003	3,950–4,235
Active	GOLDSMITH, C. A., ETAL #829	42-135-01201	HILCORP ENGY CO	Injection	2,000	162,593	4,969–7,867
Active	EAST PENWELL /SAN ANDRES/ UNIT #1416W	42-135-38572	BCE-MACH III LLC	Injection	2,000	162,487	3,400–4,000
Active	TXL NORTH UNIT #453W	42-135-04464	FORMENTERA OPERATIONS LLC	Injection	2,000	162,162	5,300–7,100
Active	HOLT, O. B. #26W	42-135-01780	TEXLAND PETRO, L.P	Injection	1,000	161,953	4,401–4,705
Active	NORTH COWDEN UNIT #371	42-135-06758	OCCIDENTAL PERMIAN LTD	Injection	900	161,679	3,900–4,900
Active	NORTH COWDEN UNIT #235W	42-135-02749	OCCIDENTAL PERMIAN LTD	Injection	1,000	161,603	3,979–4,378
Active	NORTH COWDEN UNIT #339W	42-135-07335	OCCIDENTAL PERMIAN LTD	Injection	5,000	161,339	3,700–5,600
Active	GOLDSMITH SAN ANDRES UNIT #306W	42-135-00715	HILCORP ENGY CO	Injection	2,000	161,240	3,854–5,111
Active	EAST COWDEN (GRAYBURG) UNIT #25W	42-135-31295	BASIN OIL & GAS OPER, LLC	Injection	1,000	161,170	4,374–4,542
Active	GIST UNIT #32AW	42-135-34897	AGHORN OPER, INC	Injection	1,200	160,817	4,211–4,335
Active	SOUTH FOSTER UNIT #142W	42-135-30658	OCCIDENTAL PERMIAN LTD	Injection	2,500	160,066	3,918–4,306
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #455	42-135-41510	OCCIDENTAL PERMIAN LTD	Injection	5,000	159,496	5,200–6,800
Active	NORTH COWDEN UNIT #5WI	42-135-30543	OCCIDENTAL PERMIAN LTD	Injection	1,000	159,442	4,253–4,683
Active	SOUTH FOSTER UNIT #22W	42-135-06882	OCCIDENTAL PERMIAN LTD	Injection	5,000	159,439	3,700–4,600
Active	BLAKENEY, B. H. /HOLT PAY/ #11WI	42-135-36324	TEXLAND PETRO, L.P	Injection	2,000	159,294	5,070–5,336
Active	RHODES COWDEN UNIT #432W	42-135-30676	OXY USA WTP LP	Injection	1,500	159,278	4,000–4,325
Active	PENWELL UNIT #3348W	42-135-01494	CROSS TIMBERS ENGY, LLC	Injection	2,500	159,236	3,000–3,657
Active	NORTH COWDEN UNIT #315W	42-135-07370	OCCIDENTAL PERMIAN LTD	Injection	5,000	159,113	3,700–5,600
Active	GOLDSMITH, C. A., ETAL #477W	42-135-00856	HILCORP ENGY CO	Injection	2,000	159,044	4,969–7,867
Active	NORTH COWDEN UNIT #416W	42-135-06802	OCCIDENTAL PERMIAN LTD	Injection	5,000	158,791	4,050–5,600
Active	NORTH COWDEN UNIT #550W	42-135-30381	OCCIDENTAL PERMIAN LTD	Injection	5,000	158,302	4,053–4,438
Active	SOUTH FOSTER UNIT #67W	42-135-06845	OCCIDENTAL PERMIAN LTD	Injection	2,500	158,195	4,000–4,340
Active	WITCHER, J. E. #1	42-135-06877	LAGUNA PETRO CORP	Injection	1,000	158,025	3,650–4,600
Active	EAST PENWELL /SAN ANDRES/ UNIT #1223W	42-135-39546	BCE-MACH III LLC	Injection	2,000	157,449	3,400–3,800
Active	GOLDSMITH ANDECTOR UNIT #L 17W	42-135-07898	MAVERICK PERMIAN LLC	Injection	1,800	156,990	5,338–6,335
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #212W	42-135-33765	OCCIDENTAL PERMIAN LTD	Injection	5,000	156,865	5,200–6,400
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #634	42-135-42324	OCCIDENTAL PERMIAN LTD	Injection	5,000	156,850	5,200–6,800
Active	JORDAN UNIVERSITY UNIT #329W	42-135-31532	CITATION OIL & GAS CORP	Injection	2,000	156,386	3,100–3,800
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #120W	42-135-06185	OCCIDENTAL PERMIAN LTD	Injection	700	156,141	5,448–6,250
Active	SOUTH FOSTER UNIT #151W	42-135-30659	OCCIDENTAL PERMIAN LTD	Injection	1,000	156,038	3,950–4,260
Active	JORDAN UNIVERSITY UNIT #438W	42-135-30748	CITATION OIL & GAS CORP	Injection	2,000	155,974	3,100–3,800
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #470	42-135-41629	OCCIDENTAL PERMIAN LTD	Injection	5,000	155,858	5,200–6,800
Active	NORTH COWDEN UNIT #1393W	42-135-35786	OCCIDENTAL PERMIAN LTD	Injection	1,300	155,680	3,900–4,900
Active	NORTH COWDEN UNIT #1034W	42-135-32812	OCCIDENTAL PERMIAN LTD	Injection	5,000	155,528	3,700–5,600
Active	GOLDSMITH-LANDRETH/SAN ANDRES/UT #153RW	42-135-43358	ATLAS OPER LLC	Injection	10,000	155,282	4,075–4,600
Active	GOLDSMITH, C. A., ETAL #480RW	42-135-00859	HILCORP ENGY CO	Injection	2,000	155,104	4,969–7,867
Active	SOUTH FOSTER UNIT #71W	42-135-06912	OCCIDENTAL PERMIAN LTD	Injection	5,000	155,081	3,800–4,300
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #100W	42-135-06250	OCCIDENTAL PERMIAN LTD	Injection	1,000	154,992	5,440–6,400
Active	EAST GOLDSMITH SAN ANDRES UNIT #2010UW	42-135-32029	SCOUT ENGY MANAGEMENT LLC	Injection	5,000	154,989	4,222–4,284
Active	GOLDSMITH, C. A., ETAL #525W	42-135-00904	HILCORP ENGY CO	Injection	2,000	154,703	4,969–7,867
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #58W	42-135-04439	OCCIDENTAL PERMIAN LTD	Injection	1,000	154,651	5,345–6,390
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #11	42-135-03410	OCCIDENTAL PERMIAN LTD	Injection	2,725	154,550	5,450–6,400
Active	GOLDSMITH-LANDRETH/SAN ANDRES/UT #201AW	42-135-43426	ATLAS OPER LLC	Injection	10,000	154,442	4,086–4,550
Active	MOSS, PAUL UNIT #23W	42-135-02097	R3 OPERATING CORPORATION	Injection	1,200	154,338	4,027–4,245
Active	DEFORD #8	42-135-38792	OCCIDENTAL PERMIAN LTD	Injection	1,000	154,208	5,450–6,500
Active	GOLDSMITH SAN ANDRES UNIT #B095W	42-135-02553	HILCORP ENGY CO	Injection	2,000	154,192	3,854–5,111
Active	GOLDSMITH SAN ANDRES UNIT #176R	42-135-00590	HILCORP ENGY CO	Injection	2,000	154,110	3,854–5,111
Active	COWDEN, ELLIOTT F., -A- #10	42-135-03329	OCCIDENTAL PERMIAN LTD	Injection	5,000	153,489	3,700–4,800
Active	NORTH COWDEN UNIT #1394W	42-135-35809	OCCIDENTAL PERMIAN LTD	Injection	1,300	153,069	3,900–4,900
Active	GOLDSMITH, C. A., ETAL #500W	42-135-00879	HILCORP ENGY CO	Injection	2,000	152,867	4,969–7,867
Active	BLAKENEY, B. H. /HOLT PAY/ #19WI	42-135-36327	TEXLAND PETRO, L.P	Injection	2,000	152,857	5,130–5,344
Active	COWDEN, J. M. R/A -A- #92W	42-135-02818	OCCIDENTAL PERMIAN LTD	Injection	2,500	152,843	5,000–5,500
Active	EAST COWDEN (GRAYBURG) UNIT #23W	42-135-31293	BASIN OIL & GAS OPER, LLC	Injection	1,000	152,447	4,258–4,519
Active	NORTH COWDEN UNIT #421W	42-135-07396	OCCIDENTAL PERMIAN LTD	Injection	5,000	152,365	3,700–5,600
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #173W	42-135-06485	OCCIDENTAL PERMIAN LTD	Injection	5,000	152,019	5,200–6,400
Active	NORTH COWDEN UNIT #1555	42-135-38072	OCCIDENTAL PERMIAN LTD	Injection	5,000	151,954	3,950–4,800
Active	JOHNSON, J. L. -AB- #120W	42-135-33608	BASIN OIL & GAS OPER, LLC	Injection	1,000	151,896	4,100–4,217
Active	GOLDSMITH-LANDRETH /DEEP/ UNIT #75	42-135-06238	OCCIDENTAL PERMIAN LTD	Injection	5,000	151,886	5,200–6,800
Active	NORTH COWDEN UNIT #338W	42-135-06771	OCCIDENTAL PERMIAN LTD	Injection	5,000	151,819	3,700–5,600
Active	NORTH COWDEN UNIT #413W	42-135-06754	OCCIDENTAL PERMIAN LTD	Injection	2,000	151,737	3,941–4,517
Active	JOHNSON GBSA UNIT #2402W	42-135-08501	OXY USA WTP LP	Injection	5,000	151,709	3,800–4,500
Active	GOLDSMITH ANDECTOR UNIT #C131W	42-135-40139	MAVERICK PERMIAN LLC	Injection	2,000	151,688	5,411–6,688
Active	GIST UNIT #147W	42-135-34693	AGHORN OPER, INC	Injection	1,200	151,544	4,176–4,285
Active	CVX 6 #3	42-135-40379	CRESCENT ENGY OPER, LLC	Injection	5,000	151,363	4,000–6,100
Active	TXL NORTH UNIT #329W	42-135-05391	FORMENTERA OPERATIONS LLC	Injection	3,000	151,016	5,300–7,100
Active	NORTH COWDEN UNIT #575W	42-135-30376	OCCIDENTAL PERMIAN LTD	Injection	5,000	150,656	4,113–4,391

page 5 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.