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	MAHONEY, H. O. #132W	42-501-35493	HILCORP ENGY CO	Injection	3,000	25,776	4,500–5,509
Active	NELSON #4	42-501-35830	BURK ROYALTY CO., LTD	Injection	500	25,633	5,100–5,600
Active	SABLE SAN ANDRES UNIT #59	42-501-32689	RILEY PERMIAN OPER CO, LLC	Injection	350	25,592	5,219–5,301
Active	WILLARD UNIT #289	42-501-02920	OXY USA WTP LP	Injection	1,500	25,543	4,900–5,600
Active	WILLARD UNIT #100C	42-501-33047	OXY USA WTP LP	Injection	1,500	25,537	4,900–5,600
Active	WASSON NORTH CLEARFORK UNIT #158W	42-501-35185	OCCIDENTAL PERMIAN LTD	Injection	2,000	25,507	6,400–8,600
Active	REEVES UNIT #25AW	42-501-34033	WHITE ROCK OIL & GAS, LLC	Injection	1,000	25,463	5,500–5,750
Active	WILLARD UNIT #38A	42-501-30124	OXY USA WTP LP	Injection	5,000	25,406	4,600–5,600
Active	WASSON ODC UNIT #9	42-501-01644	OCCIDENTAL PERMIAN LTD	Injection	5,000	25,349	4,650–5,400
Active	ROBERTS UNIT #3272W	42-501-36024	HILCORP ENGY CO	Injection	2,500	25,339	4,400–5,500
Active	DENVER UNIT #2233WC	42-501-32521	OCCIDENTAL PERMIAN LTD	Injection	4,500	25,168	4,500–5,450
Active	WASSON ODC UNIT #873	42-501-37229	OCCIDENTAL PERMIAN LTD	Injection	5,000	25,130	4,600–5,800
Active	GIBSON UNIT #1101W	42-501-10288	OCCIDENTAL PERMIAN LTD	Injection	750	25,110	6,649–7,945
Active	BENNETT RANCH UNIT #3374	42-501-36436	OCCIDENTAL PERMIAN LTD	Injection	6,500	25,108	4,500–5,800
Active	DENVER UNIT #2215W	42-501-01829	OCCIDENTAL PERMIAN LTD	Injection	4,500	25,033	4,512–5,447
Active	BENNETT RANCH UNIT #5423	42-501-36898	OCCIDENTAL PERMIAN LTD	Injection	5,000	25,025	4,500–5,800
Active	WILLARD UNIT #175D	42-501-36287	OXY USA WTP LP	Injection	5,000	24,952	4,600–5,600
Active	OWNBY SAN ANDRES UNIT #63W	42-501-31917	OCCIDENTAL PERMIAN LTD	Injection	2,000	24,774	4,800–5,500
Active	WASSON ODC UNIT #699	42-501-34628	OCCIDENTAL PERMIAN LTD	Injection	4,000	24,737	4,500–5,800
Active	WASSON ODC UNIT #134	42-501-01646	OCCIDENTAL PERMIAN LTD	Injection	4,000	24,733	4,500–5,800
Active	WILLARD UNIT #170W	42-501-00725	OXY USA WTP LP	Injection	1,500	24,685	4,900–5,600
Active	WASSON ODC UNIT #293	42-501-30167	OCCIDENTAL PERMIAN LTD	Injection	4,000	24,493	4,500–5,800
Active	YOAKUM WASSON CLEARFORK UNIT #4533	42-501-35723	OCCIDENTAL PERMIAN LTD	Injection	1,500	24,356	5,500–7,700
Active	WASSON ODC UNIT #276	42-501-30092	OCCIDENTAL PERMIAN LTD	Injection	5,000	24,334	4,600–5,800
Active	CENTRAL OWNBY UNIT #2800	42-501-32560	OCCIDENTAL PERMIAN LTD	Injection	1,000	24,232	6,642–7,350
Active	ROBERTS UNIT #2258W	42-501-36009	HILCORP ENGY CO	Injection	2,500	24,200	4,400–5,500
Active	DENVER UNIT #4749WC	42-501-34339	OCCIDENTAL PERMIAN LTD	Injection	4,500	24,176	4,500–5,495
Active	ROBERTS UNIT #3260W	42-501-36044	HILCORP ENGY CO	Injection	2,500	24,171	4,400–5,500
Active	WASSON ODC UNIT #775	42-501-35853	OCCIDENTAL PERMIAN LTD	Injection	5,250	24,076	4,600–5,400
Active	WILLARD UNIT #85 B	42-501-31192	OXY USA WTP LP	Injection	1,500	24,004	4,900–5,600
Active	WEST BRAHANEY UNIT #15W	42-501-00570	BURK ROYALTY CO., LTD	Injection	600	23,912	5,100–5,400
Active	GIBSON UNIT #2901W	42-501-10211	OCCIDENTAL PERMIAN LTD	Injection	5,000	23,873	6,544–8,110
Active	WASSON ODC UNIT #154W	42-501-01972	OCCIDENTAL PERMIAN LTD	Injection	1,500	23,842	4,500–5,800
Active	WEST REEVES UNIT #1202W	42-501-35738	YUCCA ENGY, INC	Injection	750	23,668	5,610–5,650
Active	PLAINS UNIT #1302W	42-501-00421	HILCORP ENGY CO	Injection	2,500	23,603	4,900–5,300
Active	OWNBY SAN ANDRES UNIT #19W	42-501-00848	OCCIDENTAL PERMIAN LTD	Injection	2,000	23,593	4,800–5,500
Active	WASSON ODC UNIT #835	42-501-37070	OCCIDENTAL PERMIAN LTD	Injection	5,000	23,521	4,600–5,800
Active	PLAINS UNIT #1403W	42-501-00657	HILCORP ENGY CO	Injection	400	23,085	5,210–5,285
Active	YOAKUM WASSON CLEARFORK UNIT #4842	42-501-36499	OCCIDENTAL PERMIAN LTD	Injection	1,500	23,070	5,650–8,400
Active	REEVES UNIT #27W	42-501-00021	WHITE ROCK OIL & GAS, LLC	Injection	500	23,009	5,628–5,648
Active	WASSON ODC UNIT #137W	42-501-01894	OCCIDENTAL PERMIAN LTD	Injection	4,000	23,003	4,500–5,800
Active	BENNETT RANCH UNIT #4330RW	42-501-32346	OCCIDENTAL PERMIAN LTD	Injection	5,225	22,926	4,600–5,900
Active	WILLARD UNIT #14W	42-501-00205	OXY USA WTP LP	Injection	5,828	22,921	4,500–5,600
Active	BENNETT RANCH UNIT #1504W	42-501-02604	OCCIDENTAL PERMIAN LTD	Injection	4,500	22,880	4,700–5,800
Active	WILLARD UNIT #116W	42-501-01291	OXY USA WTP LP	Injection	5,000	22,859	4,400–5,800
Active	WASSON ODC UNIT #177	42-501-01229	OCCIDENTAL PERMIAN LTD	Injection	5,500	22,678	4,500–5,800
Active	MAHONEY, H. O. #127W	42-501-35568	HILCORP ENGY CO	Injection	3,000	22,637	4,800–8,400
Active	WILLARD UNIT #156W	42-501-01823	OXY USA WTP LP	Injection	1,500	22,579	4,900–5,600
Active	YOAKUM WASSON CLEARFORK UNIT #3941	42-501-36262	OCCIDENTAL PERMIAN LTD	Injection	1,500	22,554	5,650–8,290
Active	BENNETT RANCH UNIT #4258	42-501-36731	OCCIDENTAL PERMIAN LTD	Injection	5,225	22,407	4,600–5,900
Active	BENNETT RANCH UNIT #4253	42-501-35063	OCCIDENTAL PERMIAN LTD	Injection	5,000	22,398	4,500–5,800
Active	WASSON ODC UNIT #361	42-501-00686	OCCIDENTAL PERMIAN LTD	Injection	5,000	22,210	4,600–5,800
Active	WASSON ODC UNIT #331	42-501-30201	OCCIDENTAL PERMIAN LTD	Injection	2,000	22,149	4,839–5,190
Active	PRENTICE SOUTHWEST UNIT #70	42-501-32545	OCCIDENTAL PERMIAN LTD	Injection	750	22,123	6,200–6,900
Active	WASSON NORTH CLEARFORK UNIT #68W	42-501-10613	OCCIDENTAL PERMIAN LTD	Injection	2,000	22,098	6,400–8,500
Active	WILLARD UNIT #97BX	42-501-36936	OXY USA WTP LP	Injection	5,000	21,928	4,600–5,600
Active	OWNBY (CLEAR FORK, UPPER) UNIT #402W	42-501-02339	OCCIDENTAL PERMIAN LTD	Injection	300	21,862	6,489–6,800
Active	WILLARD UNIT #137	42-501-00675	OXY USA WTP LP	Injection	2,000	21,832	4,600–5,600
Active	PLAINS UNIT #1901W	42-501-00448	HILCORP ENGY CO	Injection	400	21,818	5,150–5,350
Active	BENNETT RANCH UNIT #5228WR	42-501-33446	OCCIDENTAL PERMIAN LTD	Injection	5,000	21,796	4,500–5,800
Active	WASSON ODC UNIT #327W	42-501-30218	OCCIDENTAL PERMIAN LTD	Injection	2,000	21,760	4,846–5,166
Active	YOAKUM WASSON CLEARFORK UNIT #4701Y	42-501-02846	OCCIDENTAL PERMIAN LTD	Injection	3,000	21,729	5,650–8,000
Active	WEST BRAHANEY UNIT #20X	42-501-35182	BURK ROYALTY CO., LTD	Injection	600	21,606	5,150–5,400
Active	GIBSON UNIT #303W	42-501-10534	OCCIDENTAL PERMIAN LTD	Injection	5,000	21,528	6,400–8,300
Active	CORNELL UNIT #121W	42-501-36425	HILCORP ENGY CO	Injection	2,000	21,528	4,300–5,500
Active	CENTRAL OWNBY UNIT #602W	42-501-34697	OCCIDENTAL PERMIAN LTD	Injection	1,000	21,446	6,513–7,031
Active	DENVER UNIT #2566	42-501-36709	OCCIDENTAL PERMIAN LTD	Injection	5,225	21,432	4,500–5,800
Active	CWC PRENTICE UNIT #5CL	42-501-33131	OCCIDENTAL PERMIAN LTD	Injection	2,000	21,170	6,150–7,000
Active	BENNETT RANCH UNIT #3408W	42-501-02096	OCCIDENTAL PERMIAN LTD	Injection	5,225	21,132	4,600–5,900
Active	WILLARD UNIT #82X	42-501-33092	OXY USA WTP LP	Injection	1,500	21,099	4,900–5,600
Active	SABLE SAN ANDRES UNIT #38X	42-501-32973	RILEY PERMIAN OPER CO, LLC	Injection	350	21,032	5,100–5,350
Active	CENTRAL OWNBY UNIT #1001RW	42-501-36787	OCCIDENTAL PERMIAN LTD	Injection	2,000	21,017	6,540–7,290
Active	WASSON ODC UNIT #77W	42-501-00719	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,998	4,650–5,320
Active	BENNETT RANCH UNIT #1503W	42-501-00894	OCCIDENTAL PERMIAN LTD	Injection	4,500	20,974	4,700–5,800
Active	WILLARD UNIT #157W	42-501-02813	OXY USA WTP LP	Injection	1,500	20,960	4,900–5,600
Active	WILLARD UNIT #156B	42-501-33164	OXY USA WTP LP	Injection	1,500	20,960	4,900–5,600
Active	WILLARD UNIT #159X	42-501-36172	OXY USA WTP LP	Injection	5,000	20,859	4,600–5,800
Active	WASSON ODC UNIT #81	42-501-00313	OCCIDENTAL PERMIAN LTD	Injection	4,000	20,747	4,500–5,800
Active	WASSON ODC UNIT #853	42-501-37089	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,697	4,600–5,800
Active	DENVER UNIT #2759	42-501-35687	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,660	4,500–5,495
Active	WASSON ODC UNIT #269	42-501-30095	OCCIDENTAL PERMIAN LTD	Injection	5,250	20,654	4,600–5,800
Active	WASSON ODC UNIT #755	42-501-35509	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,627	4,650–5,400
Active	WILLARD UNIT #13B	42-501-32934	OXY USA WTP LP	Injection	1,500	20,554	4,900–5,600
Active	WILLARD UNIT #3C	42-501-33774	OXY USA WTP LP	Injection	2,000	20,545	4,900–5,600
Active	WASSON ODC UNIT #839	42-501-37075	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,542	4,600–5,800
Active	N. WASSON UNIT #902	42-501-32601	WARREN AMERICAN OIL CO, LLC	Injection	500	20,511	5,268–5,364
Active	WASSON ODC UNIT #161	42-501-01244	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,437	4,600–5,400
Active	WASSON NORTH CLEARFORK UNIT #87W	42-501-10198	OCCIDENTAL PERMIAN LTD	Injection	1,500	20,285	6,000–8,500
Active	BENNETT RANCH UNIT #5263W	42-501-35362	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,190	4,500–5,800
Active	WILLARD UNIT #90W	42-501-01986	OXY USA WTP LP	Injection	1,500	20,126	4,900–5,600
Active	WASSON ODC UNIT #742	42-501-35322	OCCIDENTAL PERMIAN LTD	Injection	5,000	20,030	4,650–5,400
Active	GIBSON UNIT #3101	42-501-36354	OCCIDENTAL PERMIAN LTD	Injection	2,000	19,976	6,700–8,300
Active	WASSON ODC UNIT #147	42-501-00301	OCCIDENTAL PERMIAN LTD	Injection	5,000	19,932	4,100–5,600
Active	DENVER UNIT #4923WC	42-501-32788	OCCIDENTAL PERMIAN LTD	Injection	5,000	19,900	4,500–5,495
Active	BENNETT RANCH UNIT #5214RW	42-501-31471	OCCIDENTAL PERMIAN LTD	Injection	4,500	19,800	4,700–5,800
Active	CORNELL UNIT #3153	42-501-32800	HILCORP ENGY CO	Injection	2,000	19,787	4,300–5,500
Active	BENNETT RANCH UNIT #5218RW	42-501-32319	OCCIDENTAL PERMIAN LTD	Injection	5,000	19,764	4,500–5,800
Active	WILLARD UNIT #154B	42-501-33162	OXY USA WTP LP	Injection	1,500	19,758	4,900–5,600
Active	PRENTICE (6700 CLEARFORK) UNIT #715	42-501-02653	OCCIDENTAL PERMIAN LTD	Injection	1,500	19,751	6,300–7,000
Active	WILLARD UNIT #147B	42-501-33021	OXY USA WTP LP	Injection	1,500	19,750	4,900–5,600

page 17 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.