Saltwater Disposal Wells in Yoakum County

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

Active Wells

2,521

Permitted Capacity

9.1M bbl/d

Injected 12mo (thru 2025-06)

273.5M bbl

UIC Permits All Time

4,167

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	WILLARD UNIT #113AW	42-501-30339	OXY USA WTP LP	Injection	1,500	5,988	4,900–5,600
Active	ROBERTS UNIT #2254W	42-501-36003	HILCORP ENGY CO	Injection	2,500	5,985	4,400–5,500
Active	WILLARD UNIT #119W	42-501-02012	OXY USA WTP LP	Injection	1,500	5,920	4,900–5,600
Active	BENNETT RANCH UNIT #4372	42-501-36601	OCCIDENTAL PERMIAN LTD	Injection	6,500	5,844	4,500–5,800
Active	BENNETT RANCH UNIT #3319RW	42-501-32489	OCCIDENTAL PERMIAN LTD	Injection	6,500	5,813	4,666–5,800
Active	WASSON ODC UNIT #865	42-501-37235	OCCIDENTAL PERMIAN LTD	Injection	5,000	5,782	4,600–5,800
Active	DENVER UNIT #3131WC	42-501-31689	OCCIDENTAL PERMIAN LTD	Injection	4,500	5,759	4,500–5,495
Active	ROBERTS UNIT #2257W	42-501-36006	HILCORP ENGY CO	Injection	2,500	5,755	4,400–5,500
Active	WILLARD UNIT #121D	42-501-36137	OXY USA WTP LP	Injection	5,000	5,727	4,600–5,600
Active	WASSON ODC UNIT #872	42-501-37228	OCCIDENTAL PERMIAN LTD	Injection	5,000	5,604	4,600–5,800
Active	CENTRAL OWNBY UNIT #1003W	42-501-33506	OCCIDENTAL PERMIAN LTD	Injection	1,500	5,434	6,590–7,020
Active	WILLARD UNIT #14B	42-501-32935	OXY USA WTP LP	Injection	1,500	5,387	4,900–5,600
Active	WILLARD UNIT #161W	42-501-02201	OXY USA WTP LP	Injection	1,500	5,301	4,900–5,600
Active	WILLARD UNIT #42B	42-501-32940	OXY USA WTP LP	Injection	1,500	5,281	4,900–5,600
Active	WASSON ODC UNIT #800	42-501-36308	OCCIDENTAL PERMIAN LTD	Injection	5,250	5,276	4,500–5,800
Active	OWNBY (CLEAR FORK, UPPER) UNIT #309	42-501-32411	OCCIDENTAL PERMIAN LTD	Injection	2,000	5,258	6,480–6,900
Active	PRENTICE (6700 CLEARFORK) UNIT #714	42-501-02652	OCCIDENTAL PERMIAN LTD	Injection	1,500	5,229	6,300–7,000
Active	SEIBER, E. H. #1	42-501-31880	JOPLIN OIL CO., INC	Injection	300	5,206	5,121–5,128
Active	WASSON ODC UNIT #7W	42-501-01665	OCCIDENTAL PERMIAN LTD	Injection	5,000	5,157	4,650–5,400
Active	WILLARD UNIT #266W	42-501-02905	OXY USA WTP LP	Injection	1,500	5,100	4,900–5,600
Active	DENVER UNIT #4906WC	42-501-01277	OCCIDENTAL PERMIAN LTD	Injection	4,500	4,949	4,500–5,495
Active	WASSON ODC UNIT #832	42-501-37067	OCCIDENTAL PERMIAN LTD	Injection	5,000	4,832	4,600–5,800
Active	DENVER UNIT #4863WC	42-501-35154	OCCIDENTAL PERMIAN LTD	Injection	5,000	4,822	4,500–5,495
Active	CWC PRENTICE UNIT #9CU	42-501-33133	OCCIDENTAL PERMIAN LTD	Injection	2,000	4,752	5,900–6,100
Active	BENNETT RANCH UNIT #4310	42-501-01126	OCCIDENTAL PERMIAN LTD	Injection	5,000	4,614	4,500–5,800
Active	CORNELL UNIT #6393W	42-501-34737	HILCORP ENGY CO	Injection	2,000	4,600	4,300–5,500
Active	WILLARD UNIT #59W	42-501-00670	OXY USA WTP LP	Injection	1,500	4,592	4,900–5,600
Active	CWC PRENTICE UNIT #7	42-501-00554	OCCIDENTAL PERMIAN LTD	Injection	1,500	4,512	5,900–7,000
Active	WASSON ODC UNIT #837	42-501-37073	OCCIDENTAL PERMIAN LTD	Injection	5,000	4,500	4,600–5,800
Active	WILLARD UNIT #147W	42-501-02198	OXY USA WTP LP	Injection	1,500	4,447	4,900–5,600
Active	HENARD "A" #2	42-501-34066	MCCLURE OIL CO, INC	Injection	500	4,426	5,100–5,300
Active	WILLARD UNIT #340W	42-501-01594	OXY USA WTP LP	Injection	1,500	4,410	4,900–5,600
Active	WILLARD UNIT #63W	42-501-00162	OXY USA WTP LP	Injection	1,500	4,366	4,900–5,600
Active	DENVER UNIT #2672	42-501-35684	OCCIDENTAL PERMIAN LTD	Injection	5,000	4,354	4,500–5,495
Active	WILLARD UNIT #174AW	42-501-30128	OXY USA WTP LP	Injection	1,500	4,038	4,900–5,600
Active	BENNETT RANCH UNIT #4305W	42-501-01122	OCCIDENTAL PERMIAN LTD	Injection	5,000	4,011	4,500–5,800
Active	YOAKUM WASSON CLEARFORK UNIT #4719	42-501-37214	OCCIDENTAL PERMIAN LTD	Injection	1,500	3,951	5,650–8,000
Active	BENNETT RANCH UNIT #3218W	42-501-30494	OCCIDENTAL PERMIAN LTD	Injection	4,500	3,950	4,700–5,800
Active	WILLARD UNIT #320X	42-501-35427	OXY USA WTP LP	Injection	5,000	3,933	4,600–5,800
Active	CENTRAL OWNBY UNIT #2402W	42-501-32740	OCCIDENTAL PERMIAN LTD	Injection	1,000	3,901	6,654–7,000
Active	WILLARD UNIT #166X	42-501-33074	OXY USA WTP LP	Injection	1,500	3,874	4,900–5,600
Active	DENVER UNIT #3202WC	42-501-00127	OCCIDENTAL PERMIAN LTD	Injection	1,380	3,863	4,600–5,400
Active	WILLARD UNIT #154W	42-501-00671	OXY USA WTP LP	Injection	1,500	3,845	4,900–5,600
Active	WILLARD UNIT #99W	42-501-02009	OXY USA WTP LP	Injection	1,500	3,807	4,600–5,600
Active	ROBERTS UNIT #3524W	42-501-01030	HILCORP ENGY CO	Injection	5,200	3,728	4,367–5,193
Active	7307 JV-D WEBB #5Y	42-501-35624	LIBERTAD OPER LLC	Injection	1,200	3,632	5,115–5,246
Active	WILLARD UNIT #261I	42-501-37051	OXY USA WTP LP	Injection	5,000	3,621	4,600–5,800
Active	WILLARD UNIT #59B	42-501-33034	OXY USA WTP LP	Injection	1,500	3,594	4,900–5,600
Active	WILLARD UNIT #89X	42-501-36240	OXY USA WTP LP	Injection	5,000	3,568	4,400–5,600
Active	WILLARD UNIT #155B	42-501-33163	OXY USA WTP LP	Injection	1,500	3,550	4,900–5,600
Active	WILLARD UNIT #219W	42-501-01633	OXY USA WTP LP	Injection	1,500	3,501	4,900–5,600
Active	WILLARD UNIT #205W	42-501-01598	OXY USA WTP LP	Injection	1,500	3,400	4,900–5,600
Active	WASSON ODC UNIT #869	42-501-37224	OCCIDENTAL PERMIAN LTD	Injection	5,000	3,370	4,600–5,800
Active	WILLARD UNIT #27B	42-501-31855	OXY USA WTP LP	Injection	1,500	3,256	4,900–5,600
Active	WILLARD UNIT #159B	42-501-33077	OXY USA WTP LP	Injection	1,500	3,212	4,900–5,600
Active	CENTRAL OWNBY UNIT #3202	42-501-10595	OCCIDENTAL PERMIAN LTD	Injection	1,000	3,198	6,618–6,960
Active	PLAINS UNIT #905W	42-501-00241	HILCORP ENGY CO	Injection	400	3,003	5,150–5,350
Active	WILLARD UNIT #118W	42-501-02008	OXY USA WTP LP	Injection	1,500	2,820	4,650–5,600
Active	PLAINS UNIT #1005W	42-501-00876	HILCORP ENGY CO	Injection	400	2,658	5,150–5,350
Active	WASSON NORTH CLEARFORK UNIT #28W	42-501-10590	OCCIDENTAL PERMIAN LTD	Injection	2,000	2,457	6,400–8,500
Active	SHELL WESTERN E & P INC #1	42-501-10058	BAM PERMIAN OPER, LLC	Disposal	2,500	2,392	6,700–9,529
Active	BENNETT RANCH UNIT #4207W	42-501-31525	OCCIDENTAL PERMIAN LTD	Injection	2,000	2,380	5,159–5,700
Active	WILLARD UNIT #150W	42-501-00677	OXY USA WTP LP	Injection	1,500	2,373	4,900–5,600
Active	WILLARD UNIT #69I	42-501-36331	OXY USA WTP LP	Injection	5,000	2,307	4,600–5,600
Active	CENTRAL OWNBY UNIT #3006W	42-501-34844	OCCIDENTAL PERMIAN LTD	Injection	1,000	2,221	6,660–7,400
Active	DENVER UNIT #4	42-501-36351	OCCIDENTAL PERMIAN LTD	Disposal	50,000	2,191	10,720–13,000
Active	PRENTICE SOUTHWEST UNIT #81	42-501-32648	OCCIDENTAL PERMIAN LTD	Injection	600	2,160	6,022–6,900
Active	WASSON ODC UNIT #207W	42-501-01245	OCCIDENTAL PERMIAN LTD	Injection	5,250	2,112	4,600–5,800
Active	DENVER UNIT #3878WC	42-501-35475	OCCIDENTAL PERMIAN LTD	Injection	5,000	2,107	4,500–5,495
Active	WASSON ODC UNIT #197W	42-501-01230	OCCIDENTAL PERMIAN LTD	Injection	5,000	2,100	4,600–5,400
Active	OWNBY SAN ANDRES UNIT #4W	42-501-01625	OCCIDENTAL PERMIAN LTD	Injection	2,000	2,023	4,700–5,500
Active	WILLARD UNIT #261W	42-501-01075	OXY USA WTP LP	Injection	1,500	1,890	4,900–5,600
Active	WASSON ODC UNIT #846	42-501-37083	OCCIDENTAL PERMIAN LTD	Injection	5,000	1,837	4,600–5,800
Active	OWNBY (CLEAR FORK, UPPER) UNIT #81	42-501-02338	OCCIDENTAL PERMIAN LTD	Injection	2,000	1,815	6,600–6,784
Active	WILDER "C" #10	42-501-35430	OCCIDENTAL PERMIAN LTD	Injection	10,000	1,706	7,400–8,800
Active	NORTHRUP #2W	42-501-33845	MCCLURE OIL CO, INC	Injection	950	1,635	5,249–5,341
Active	WASSON ODC UNIT #79W	42-501-00701	OCCIDENTAL PERMIAN LTD	Injection	1,500	1,629	4,773–5,304
Active	CENTRAL OWNBY UNIT #1807W	42-501-02576	OCCIDENTAL PERMIAN LTD	Injection	2,000	1,574	5,775–7,338
Active	OWNBY (CLEAR FORK, UPPER) UNIT #34	42-501-02063	OCCIDENTAL PERMIAN LTD	Injection	2,000	1,550	6,000–7,000
Active	GIBSON UNIT #1004	42-501-10009	OCCIDENTAL PERMIAN LTD	Injection	750	1,546	6,606–7,872
Active	WILLARD UNIT #262W	42-501-01073	OXY USA WTP LP	Injection	1,500	1,540	4,900–5,600
Active	WILLARD UNIT #98B	42-501-33049	OXY USA WTP LP	Injection	1,500	1,474	4,900–5,600
Active	OWNBY (CLEAR FORK, UPPER) UNIT #71	42-501-02038	OCCIDENTAL PERMIAN LTD	Injection	300	1,436	6,574–6,714
Active	DENVER UNIT #2204W	42-501-01825	OCCIDENTAL PERMIAN LTD	Injection	4,500	1,283	4,500–5,450
Active	CENTRAL OWNBY UNIT #1007W	42-501-32374	OCCIDENTAL PERMIAN LTD	Injection	3,000	1,248	6,300–7,400
Active	WASSON NORTH CLEARFORK UNIT #84W	42-501-10192	OCCIDENTAL PERMIAN LTD	Injection	2,000	1,141	6,400–8,500
Active	WILLARD UNIT #198B	42-501-36288	OXY USA WTP LP	Injection	5,000	1,085	4,600–5,600
Active	WASSON ODC UNIT #652	42-501-34242	OCCIDENTAL PERMIAN LTD	Injection	5,000	1,059	4,650–5,350
Active	SABLE SAN ANDRES UNIT #52I	42-501-32485	RILEY PERMIAN OPER CO, LLC	Injection	350	882	5,100–5,350
Active	N. WASSON UNIT #1201	42-501-35672	WARREN AMERICAN OIL CO, LLC	Injection	400	873	5,200–5,500
Active	WEST REEVES UNIT #301W	42-501-34042	YUCCA ENGY, INC	Injection	3,000	863	5,560–5,670
Active	YOAKUM WASSON CLEARFORK UNIT #4522WY	42-501-35448	OCCIDENTAL PERMIAN LTD	Injection	1,500	732	5,500–7,700
Active	WILLARD UNIT #7	42-501-00371	OXY USA WTP LP	Injection	5,000	719	4,600–5,600
Active	WILLARD UNIT #34I	42-501-36737	OXY USA WTP LP	Injection	5,000	704	4,600–5,600
Active	DENVER UNIT #3609WC	42-501-01412	OCCIDENTAL PERMIAN LTD	Injection	4,500	698	4,573–5,449
Active	WASSON ODC UNIT #868	42-501-37225	OCCIDENTAL PERMIAN LTD	Injection	5,000	595	4,600–5,800
Active	WEST BRAHANEY UNIT #72X	42-501-35608	BURK ROYALTY CO., LTD	Injection	600	566	5,150–5,400
Active	ROBERTS UNIT #3267W	42-501-36034	HILCORP ENGY CO	Injection	2,500	476	4,400–5,500
Active	CENTRAL OWNBY UNIT #1406W	42-501-02516	OCCIDENTAL PERMIAN LTD	Injection	2,000	468	5,775–7,338
Active	WILLARD UNIT #148X	42-501-33091	OXY USA WTP LP	Injection	1,500	466	4,900–5,600

page 20 of 42 · 4,167 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.