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	LAZY -E- #2	42-135-36277	BEACH EXPL, INC	Injection	1,200	16,091	3,964–4,770
Active	SOUTH COWDEN UNIT #818W	42-135-33178	CONOCOPHILLIPS CO	Injection	2,000	15,881	4,242–4,780
Active	EAST PENWELL /SAN ANDRES/ UNIT #2403W	42-135-07588	BCE-MACH III LLC	Injection	1,000	15,700	3,417–3,700
Active	GOLDSMITH SAN ANDRES UNIT #258W	42-135-00670	HILCORP ENGY CO	Injection	2,500	15,265	3,854–5,111
Active	PARKER, J. E. #21	42-135-36621	ACOMA OPER, LLC	Injection	1,000	15,227	4,100–4,400
Active	SOUTH COWDEN UNIT #804W	42-135-03519	CONOCOPHILLIPS CO	Injection	2,000	15,168	4,514–4,780
Active	SOUTH FOSTER UNIT #69W	42-135-06870	OCCIDENTAL PERMIAN LTD	Injection	5,000	15,126	3,600–4,600
Active	GOLDSMITH, C. A., ETAL #2106W	42-135-40663	HILCORP ENGY CO	Injection	2,000	14,998	4,969–7,867
Active	WIGHT UNIT #21W	42-135-84187	UNITED OIL & SHALE LLC	Injection	1,000	14,828	3,981–4,162
Active	GOLDSMITH, C. A., ETAL #1230	42-135-30201	HILCORP ENGY CO	Injection	2,000	14,771	4,969–7,867
Active	GOLDSMITH SAN ANDRES UNIT #299W	42-135-00709	HILCORP ENGY CO	Injection	2,000	14,734	3,854–5,111
Active	FOSTER, H. C. #18	42-135-11166	LAGUNA PETRO CORP	Injection	2,500	14,732	3,700–4,600
Active	COWDEN, ELLIOTT F., -A- #50	42-135-03390	OCCIDENTAL PERMIAN LTD	Injection	1,000	14,699	3,750–4,600
Active	WILLIAMS, JOSEPH G. #3	42-135-34675	STETSON PETRO CORP	Disposal	2,500	14,551	4,534–4,769
Active	GOLDSMITH SAN ANDRES UNIT #339W	42-135-00744	HILCORP ENGY CO	Injection	2,000	14,478	3,854–5,111
Active	HOLT, O. B. -C- #22W	42-135-36577	TEXLAND PETRO, L.P	Injection	1,600	14,468	5,125–5,335
Active	NORTH COWDEN UNIT #1265W	42-135-35439	OCCIDENTAL PERMIAN LTD	Injection	5,000	14,454	3,700–5,600
Active	NORTH COWDEN UNIT #425W	42-135-07556	OCCIDENTAL PERMIAN LTD	Injection	1,000	14,372	3,940–4,381
Active	COWDEN, W. E. #2W	42-135-34753	BAKER OPER, INC	Injection	1,000	14,364	4,164–4,188
Active	WIGHT, L. E., MRS. -4- #15W	42-135-31536	UNITED OIL & SHALE LLC	Injection	1,000	14,307	5,136–5,300
Active	JOHNSON GBSA UNIT #602W	42-135-04167	OXY USA WTP LP	Injection	1,500	14,165	3,900–4,155
Active	COWDEN -F- #8	42-135-31725	RMR OPERATING, LLC	Injection	1,200	14,130	4,107–4,360
Active	COWDEN -D- #12	42-135-31910	RMR OPERATING, LLC	Injection	1,200	14,060	3,929–4,352
Active	MOSS UNIT #1603A	42-135-36859	AGHORN OPER, INC	Injection	1,500	13,951	4,300–4,750
Active	WIGHT UNIT #18W	42-135-07452	UNITED OIL & SHALE LLC	Injection	400	13,925	3,969–4,301
Active	SOUTH FOSTER UNIT #213	42-135-38226	OCCIDENTAL PERMIAN LTD	Injection	1,000	13,781	3,800–4,600
Active	NORTH COWDEN UNIT #1251W	42-135-35447	OCCIDENTAL PERMIAN LTD	Injection	5,000	13,745	3,700–5,600
Active	EDWARDS -A- #2D	42-135-03558	BAKER OPER, INC	Disposal	300	13,689	4,122–4,610
Active	EMMONS UNIT #115W	42-135-02017	AGHORN OPER, INC	Injection	5,000	13,639	4,506–4,800
Active	FOSTER-JOHNSON UNIT #1415W	42-135-34115	AGHORN OPER, INC	Injection	700	13,237	4,148–4,450
Active	GOLDSMITH SAN ANDRES UNIT #202W	42-135-00616	HILCORP ENGY CO	Injection	2,000	13,139	3,854–5,111
Active	FOSTER, H. S., -A- #21W	42-135-35306	OXY USA INC	Injection	500	13,117	4,616–4,696
Active	NORTH COWDEN UNIT #1292W	42-135-35555	OCCIDENTAL PERMIAN LTD	Injection	5,000	13,112	3,700–5,600
Active	GIST, ETAL #3W	42-135-05304	AGHORN OPER, INC	Injection	500	12,966	4,254–4,400
Active	JOHNSON, J. L. -31- #20W	42-135-31739	BASIN OIL & GAS OPER, LLC	Injection	1,000	12,885	3,922–4,245
Active	TXL NORTH UNIT #785	42-135-06951	FORMENTERA OPERATIONS LLC	Injection	2,000	12,840	5,300–7,100
Active	NORTH COWDEN UNIT #360W	42-135-06782	OCCIDENTAL PERMIAN LTD	Injection	5,000	12,835	3,700–5,000
Active	GOLDSMITH, C. A., ETAL #591	42-135-03321	HILCORP ENGY CO	Injection	2,000	12,728	4,969–7,867
Active	RATLIFF, S. W., -A- #13 J	42-135-10848	SLANT OPER, LLC	Disposal	3,000	12,485	4,849–5,060
Active	GOLDSMITH, C. A., ETAL #830W	42-135-01202	HILCORP ENGY CO	Injection	2,000	12,450	4,969–7,867
Active	CUMMINS -B- #28	42-135-37088	FORMENTERA OPERATIONS LLC	Injection	5,000	12,425	5,300–6,400
Active	WITCHER, J. E. #20	42-135-38626	LAGUNA PETRO CORP	Injection	1,000	12,260	3,750–4,600
Active	TXL #8	42-135-33710	FORMENTERA OPERATIONS LLC	Injection	1,500	12,208	4,192–4,282
Active	WIGHT, L. E., MRS. -4- #11W	42-135-31450	UNITED OIL & SHALE LLC	Injection	1,000	12,079	5,148–5,300
Active	NORTH COWDEN UNIT #259W	42-135-02746	OCCIDENTAL PERMIAN LTD	Injection	5,000	11,961	3,700–5,600
Active	WEST GOLDSMITH UNIT #2004W	42-135-08996	AGHORN OPER, INC	Injection	500	11,947	4,334–4,444
Active	SOUTH FOSTER UNIT #6WI	42-135-30570	OCCIDENTAL PERMIAN LTD	Injection	2,500	11,936	4,249–4,482
Active	GOLDSMITH, C. A., ETAL #658W	42-135-01036	HILCORP ENGY CO	Injection	2,000	11,855	4,969–7,867
Active	FOSTER, H. C. #13	42-135-38464	LAGUNA PETRO CORP	Injection	5,000	11,806	3,600–4,600
Active	JOHNSON, J. L. -B- #180W	42-135-35097	BASIN OIL & GAS OPER, LLC	Injection	900	11,773	4,000–4,600
Active	GOLDSMITH SAN ANDRES UNIT #281W	42-135-00691	HILCORP ENGY CO	Injection	2,000	11,737	3,854–4,500
Active	NORTH COWDEN UNIT #426W	42-135-07562	OCCIDENTAL PERMIAN LTD	Injection	1,000	11,730	3,943–4,375
Active	RHODES COWDEN UNIT #665W	42-135-31486	OXY USA WTP LP	Injection	1,500	11,507	4,000–4,300
Active	NORTH COWDEN UNIT #1221W	42-135-35467	OCCIDENTAL PERMIAN LTD	Injection	5,000	11,481	3,700–5,600
Active	GOLDSMITH ANDECTOR UNIT #N 16W	42-135-03137	MAVERICK PERMIAN LLC	Injection	1,800	11,407	5,325–6,320
Active	GOLDSMITH SAN ANDRES UNIT #290W	42-135-00700	HILCORP ENGY CO	Injection	2,000	11,391	3,854–4,500
Active	TXL NORTH UNIT #653	42-135-05378	FORMENTERA OPERATIONS LLC	Injection	30,000	11,309	5,400–6,895
Active	WIGHT, L. E., MRS. -4- #27W	42-135-33292	UNITED OIL & SHALE LLC	Injection	1,000	11,224	5,180–5,240
Active	NORTH COWDEN UNIT #60W	42-135-01842	OCCIDENTAL PERMIAN LTD	Injection	5,000	11,161	4,310–4,765
Active	NORTH COWDEN UNIT #441W	42-135-06807	OCCIDENTAL PERMIAN LTD	Injection	800	11,126	4,145–4,225
Active	GOLDSMITH, C. A., ETAL #785W	42-135-01159	HILCORP ENGY CO	Injection	2,000	10,973	4,969–7,867
Active	WIGHT, L. E., MRS. -4- #7W	42-135-07430	UNITED OIL & SHALE LLC	Injection	1,000	10,816	5,179–5,244
Active	GOLDSMITH ANDECTOR UNIT #C111 W	42-135-39794	MAVERICK PERMIAN LLC	Injection	2,000	10,806	5,551–6,650
Active	NORTH COWDEN UNIT #444W	42-135-06764	OCCIDENTAL PERMIAN LTD	Injection	5,000	10,728	3,700–5,000
Active	NORTH COWDEN UNIT #417W	42-135-06800	OCCIDENTAL PERMIAN LTD	Injection	5,000	10,574	3,700–5,600
Active	CUMMINS -D- #1W	42-135-00082	HILCORP ENGY CO	Injection	2,500	10,422	3,900–4,350
Active	HOLT, O. B. #135	42-135-37763	TEXLAND PETRO, L.P	Injection	1,000	10,322	4,250–4,850
Active	NORTH COWDEN UNIT #384W	42-135-08952	OCCIDENTAL PERMIAN LTD	Injection	5,000	10,279	4,000–5,600
Active	GOLDSMITH ANDECTOR UNIT #H 18W	42-135-03500	MAVERICK PERMIAN LLC	Injection	1,800	10,142	5,396–6,320
Active	EMMONS UNIT #211	42-135-35910	AGHORN OPER, INC	Injection	5,000	9,993	4,512–4,709
Active	GOLDSMITH, C. A., ETAL #2309W	42-135-42482	HILCORP ENGY CO	Injection	2,000	9,960	4,969–7,867
Active	COWDEN, ELLIOTT F., -B- #11W	42-135-03240	OCCIDENTAL PERMIAN LTD	Injection	5,000	9,732	3,800–4,500
Active	JOHNSON GBSA UNIT #2302W	42-135-04253	OXY USA WTP LP	Injection	1,500	9,661	3,995–4,207
Active	GOLDSMITH SAN ANDRES UNIT #1331	42-135-31313	HILCORP ENGY CO	Injection	2,000	9,568	3,854–5,111
Active	NORTH COWDEN UNIT #793W	42-135-31171	OCCIDENTAL PERMIAN LTD	Injection	5,000	9,553	3,700–5,600
Active	JOHNSON GBSA UNIT #1811W	42-135-36313	OXY USA WTP LP	Injection	1,000	9,498	3,950–4,500
Active	NORTH COWDEN UNIT #893W	42-135-31319	OCCIDENTAL PERMIAN LTD	Injection	5,000	9,383	3,900–4,900
Active	JOHNSON, J. L. -B- #158UT	42-135-34704	BASIN OIL & GAS OPER, LLC	Injection	600	9,376	4,000–4,300
Active	JOHNSON, J. L. "P" #5W	42-135-32771	AGHORN OPER, INC	Injection	2,000	9,341	4,060–4,360
Active	WESTBEND COMMERCIAL SWD #1	42-135-35548	RUTHERFORD ENTERPRISES	Injection	2,600	9,310	6,000–6,400
Active	JOHNSON GBSA UNIT #714W	42-135-36862	OXY USA WTP LP	Injection	1,500	9,256	4,040–4,500
Active	RUMSEY -A- #3W	42-135-05483	BAKER OPER, INC	UIC	1,500	9,021	4,213–4,299
Active	JOHNSON GBSA UNIT #407W	42-135-33565	OXY USA WTP LP	Injection	1,500	8,589	3,900–4,215
Active	GOLDSMITH, C. A., ETAL #2423 W	42-135-42942	HILCORP ENGY CO	Injection	2,000	8,574	4,969–7,867
Active	BROCK, L. E. #12	42-135-35349	LAGUNA PETRO CORP	Injection	1,000	8,558	3,750–4,600
Active	NORTH COWDEN UNIT #1567	42-135-38297	OCCIDENTAL PERMIAN LTD	Injection	5,025	8,523	3,950–4,800
Active	NORTH COWDEN UNIT #105W	42-135-07708	OCCIDENTAL PERMIAN LTD	Injection	2,000	8,471	4,200–4,850
Active	GOLDSMITH, C. A., ETAL #533AW	42-135-43538	HILCORP ENGY CO	Injection	5,000	8,447	4,969–7,867
Active	JOHNSON, J. L. -B- #171	42-135-34964	BASIN OIL & GAS OPER, LLC	Injection	700	8,376	4,000–4,600
Active	WEST GRAYBURG UNIT #28W	42-135-32725	OCCIDENTAL PERMIAN LTD	Injection	1,000	8,218	3,820–4,300
Active	GOLDSMITH, C. A., ETAL #615W	42-135-00993	HILCORP ENGY CO	Injection	2,000	8,082	4,969–7,867
Active	CORRIGAN COWDEN UNIT #328	42-135-36099	OXY USA INC	Injection	2,000	8,006	4,100–4,600
Active	FOSTER GBSA UNIT #309W	42-135-34319	OXY USA INC	Injection	1,000	7,880	3,700–4,500
Active	GOLDSMITH-CUMMINS /DEEP/ UNIT #261	42-135-37455	FORMENTERA OPERATIONS LLC	Injection	2,500	7,877	5,500–6,500
Active	FOSTER-JOHNSON UNIT #208W	42-135-30631	AGHORN OPER, INC	Injection	700	7,870	4,200–4,259
Active	WEST GRAYBURG UNIT #29W	42-135-32726	OCCIDENTAL PERMIAN LTD	Injection	1,000	7,680	3,811–4,300
Active	GOLDSMITH-CUMMINS /DEEP/ UNIT #239	42-135-37396	FORMENTERA OPERATIONS LLC	Injection	2,500	7,591	5,500–6,500
Active	PENWELL UNIT #2323W	42-135-35652	CROSS TIMBERS ENGY, LLC	Injection	1,500	7,469	3,416–3,874
Active	COWDEN, ELLIOTT F., -A- #15W	42-135-03334	OCCIDENTAL PERMIAN LTD	Injection	5,000	7,401	3,700–4,800
Active	SOUTH FOSTER UNIT #186	42-135-35519	OCCIDENTAL PERMIAN LTD	Injection	1,000	7,346	4,018–4,240

page 19 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.