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	WASSON ODC UNIT #264	42-501-30076	OCCIDENTAL PERMIAN LTD	Injection	5,000	31,527	4,650–5,320
Active	WASSON ODC UNIT #263	42-501-30075	OCCIDENTAL PERMIAN LTD	Injection	1,500	31,516	4,962–5,320
Active	REEVES UNIT #180W	42-501-33983	WHITE ROCK OIL & GAS, LLC	Injection	1,000	31,441	5,500–5,750
Active	WILLARD UNIT #15B	42-501-32936	OXY USA WTP LP	Injection	1,500	31,401	4,900–5,600
Active	WILLARD UNIT #120W	42-501-02011	OXY USA WTP LP	Injection	1,500	31,313	4,900–5,600
Active	YOAKUM WASSON CLEARFORK UNIT #4839	42-501-36361	OCCIDENTAL PERMIAN LTD	Injection	1,500	31,204	5,650–8,400
Active	OWNBY SAN ANDRES UNIT #41W	42-501-00817	OCCIDENTAL PERMIAN LTD	Injection	2,000	31,190	5,200–5,350
Active	SABLE SAN ANDRES UNIT #33W	42-501-30437	RILEY PERMIAN OPER CO, LLC	Injection	350	31,186	5,152–5,249
Active	WASSON ODC UNIT #249W	42-501-30031	OCCIDENTAL PERMIAN LTD	Injection	5,250	31,127	4,600–5,800
Active	MAHONEY, H. O. #125	42-501-35399	HILCORP ENGY CO	Injection	0	31,072	6,300–8,300
Active	WILLARD UNIT #24W	42-501-01932	OXY USA WTP LP	Injection	1,500	31,069	4,900–5,600
Active	WASSON ODC UNIT #845	42-501-37082	OCCIDENTAL PERMIAN LTD	Injection	5,000	30,983	4,600–5,800
Active	WASSON ODC UNIT #747	42-501-35379	OCCIDENTAL PERMIAN LTD	Injection	5,000	30,865	4,650–5,400
Active	PLAINS UNIT #2702W	42-501-02295	HILCORP ENGY CO	Injection	375	30,834	5,234–5,275
Active	WASSON NORTH CLEARFORK UNIT #55	42-501-02783	OCCIDENTAL PERMIAN LTD	Injection	2,000	30,727	6,400–8,500
Active	WASSON ODC UNIT #237W	42-501-30055	OCCIDENTAL PERMIAN LTD	Injection	5,000	30,673	4,650–5,350
Active	SABLE SAN ANDRES UNIT #51	42-501-31949	RILEY PERMIAN OPER CO, LLC	Injection	350	30,649	5,194–5,275
Active	SCORPION EAST #8	42-501-37121	OCCIDENTAL PERMIAN LTD	Injection	2,500	30,648	5,800–6,200
Active	DENVER UNIT #3925WC	42-501-30857	OCCIDENTAL PERMIAN LTD	Injection	4,500	30,630	4,612–5,368
Active	DENVER UNIT #2969	42-501-36249	OCCIDENTAL PERMIAN LTD	Injection	5,225	30,554	4,500–5,600
Active	PLAINS UNIT #802W	42-501-01810	HILCORP ENGY CO	Injection	375	30,501	5,190–5,288
Active	PLAINS UNIT #906W	42-501-00242	HILCORP ENGY CO	Injection	2,500	30,480	5,235–5,305
Active	CORNELL UNIT #3011W	42-501-00777	HILCORP ENGY CO	Injection	2,000	30,450	4,300–5,500
Active	PLAINS UNIT #806W	42-501-01814	HILCORP ENGY CO	Injection	2,500	30,446	5,192–5,282
Active	WILLARD UNIT #97	42-501-02987	OXY USA WTP LP	Injection	5,000	30,428	4,600–5,600
Active	DENVER UNIT #3116WC	42-501-00098	OCCIDENTAL PERMIAN LTD	Injection	4,500	30,356	4,500–5,495
Active	BENNETT RANCH UNIT #5216RW	42-501-10616	OCCIDENTAL PERMIAN LTD	Injection	5,000	30,308	4,500–5,800
Active	SCORPION WEST #5	42-501-37118	OCCIDENTAL PERMIAN LTD	Injection	5,000	30,203	5,800–6,200
Active	DENVER UNIT #2612WC	42-501-02354	OCCIDENTAL PERMIAN LTD	Injection	4,500	30,046	4,500–5,495
Active	WASSON ODC UNIT #769	42-501-35810	OCCIDENTAL PERMIAN LTD	Injection	5,250	30,000	4,600–5,400
Active	DENVER UNIT #2542WC	42-501-33383	OCCIDENTAL PERMIAN LTD	Injection	2,500	29,990	4,900–5,300
Active	DENVER UNIT #5406W	42-501-02228	OCCIDENTAL PERMIAN LTD	Injection	5,000	29,807	4,500–5,500
Active	DENVER UNIT #2702WC	42-501-02372	OCCIDENTAL PERMIAN LTD	Injection	4,500	29,793	4,500–5,495
Active	SABLE SAN ANDRES UNIT #16X	42-501-32679	RILEY PERMIAN OPER CO, LLC	Injection	350	29,781	5,161–5,239
Active	BENNETT RANCH UNIT #3427	42-501-36892	OCCIDENTAL PERMIAN LTD	Injection	5,000	29,702	4,500–5,800
Active	PLAINS UNIT #1701W	42-501-02296	HILCORP ENGY CO	Injection	375	29,691	5,239–5,282
Active	DENVER UNIT #3956W	42-501-35478	OCCIDENTAL PERMIAN LTD	Injection	5,000	29,654	4,500–5,495
Active	ROBERTS UNIT #2262WD	42-501-36012	HILCORP ENGY CO	Injection	2,500	29,378	4,400–5,500
Active	WASSON ODC UNIT #133	42-501-01650	OCCIDENTAL PERMIAN LTD	Injection	4,000	29,236	4,500–5,800
Active	BENNETT RANCH UNIT #3435	42-501-36920	OCCIDENTAL PERMIAN LTD	Injection	5,000	29,185	4,500–5,800
Active	PRENTICE NORTHEAST UNIT #122 U	42-501-01183	HIGHMARK ENGY OPER, LLC	Injection	2,500	29,028	5,750–7,300
Active	WILLARD UNIT #36AI	42-501-36330	OXY USA WTP LP	Injection	5,000	29,025	4,600–5,600
Active	MAHONEY, H. O. #110	42-501-35221	HILCORP ENGY CO	Injection	3,000	29,016	4,500–6,000
Active	ROBERTS UNIT #3523A	42-501-32414	HILCORP ENGY CO	Injection	1,500	29,008	4,400–5,400
Active	WASSON ODC UNIT #332	42-501-30200	OCCIDENTAL PERMIAN LTD	Injection	1,500	28,953	4,884–5,218
Active	WILLARD UNIT #175AW	42-501-30129	OXY USA WTP LP	Injection	1,500	28,889	4,900–5,600
Active	BENNETT RANCH UNIT #3368	42-501-36225	OCCIDENTAL PERMIAN LTD	Injection	6,500	28,840	4,500–5,800
Active	WASSON ODC UNIT #82	42-501-00311	OCCIDENTAL PERMIAN LTD	Injection	4,000	28,835	4,500–5,800
Active	BENNETT RANCH UNIT #3432	42-501-36885	OCCIDENTAL PERMIAN LTD	Injection	5,000	28,773	4,500–5,800
Active	WASSON ODC UNIT #757	42-501-35581	OCCIDENTAL PERMIAN LTD	Injection	5,000	28,741	4,650–5,600
Active	BENNETT RANCH UNIT #3336	42-501-32221	OCCIDENTAL PERMIAN LTD	Injection	5,225	28,712	4,600–5,900
Active	MAHONEY, H. O. #23	42-501-01766	HILCORP ENGY CO	Injection	3,000	28,682	4,500–6,000
Active	PLAINS UNIT #1301W	42-501-00419	HILCORP ENGY CO	Injection	1,000	28,681	4,850–5,300
Active	PLAINS UNIT #2801R	42-501-31808	HILCORP ENGY CO	Injection	1,000	28,676	4,500–5,330
Active	BENNETT RANCH UNIT #4375	42-501-36871	OCCIDENTAL PERMIAN LTD	Injection	5,000	28,554	4,500–5,800
Active	BENNETT RANCH UNIT #3236W	42-501-33226	OCCIDENTAL PERMIAN LTD	Injection	5,000	28,512	4,500–5,800
Active	WASSON ODC UNIT #771	42-501-35809	OCCIDENTAL PERMIAN LTD	Injection	5,250	28,321	4,600–5,400
Active	WASSON ODC UNIT #34	42-501-00335	OCCIDENTAL PERMIAN LTD	Injection	1,500	28,305	4,777–5,297
Active	WASSON ODC UNIT #59	42-501-02304	OCCIDENTAL PERMIAN LTD	Injection	5,000	28,243	4,650–5,320
Active	ROBERTS UNIT #2642W	42-501-01016	HILCORP ENGY CO	Injection	0	28,230	4,646–5,217
Active	DENVER UNIT #2724WC	42-501-02463	OCCIDENTAL PERMIAN LTD	Injection	4,500	28,176	4,500–5,495
Active	WILLARD UNIT #80W	42-501-00684	OXY USA WTP LP	Injection	1,500	28,114	4,900–5,600
Active	WASSON ODC UNIT #843	42-501-37080	OCCIDENTAL PERMIAN LTD	Injection	5,000	28,076	4,600–5,800
Active	DENVER UNIT #3110WC	42-501-00107	OCCIDENTAL PERMIAN LTD	Injection	4,500	28,040	4,500–5,495
Active	YOAKUM WASSON CLEARFORK UNIT #4831	42-501-36092	OCCIDENTAL PERMIAN LTD	Injection	1,500	28,011	5,650–8,400
Active	WEST REEVES UNIT #101W	42-501-35443	YUCCA ENGY, INC	Injection	750	27,982	5,558–5,668
Active	PLAINS UNIT #807W	42-501-01815	HILCORP ENGY CO	Injection	400	27,889	5,212–5,248
Active	WILLARD UNIT #106C	42-501-36464	OXY USA WTP LP	Injection	5,000	27,845	4,600–5,600
Active	ROBERTS UNIT #3763W	42-501-35824	HILCORP ENGY CO	Injection	2,500	27,781	4,400–5,350
Active	ROBERTS UNIT #2265W	42-501-36015	HILCORP ENGY CO	Injection	2,500	27,708	4,400–5,350
Active	PLAINS UNIT #2101W	42-501-01705	HILCORP ENGY CO	Injection	400	27,683	5,150–5,350
Active	MAHONEY, H. O. #100W	42-501-35857	HILCORP ENGY CO	Injection	3,000	27,521	6,500–8,300
Active	BENNETT RANCH UNIT #5227W	42-501-02532	OCCIDENTAL PERMIAN LTD	Injection	5,000	27,493	4,500–5,800
Active	CORNELL UNIT #310W	42-501-35110	HILCORP ENGY CO	Injection	2,000	27,344	4,300–5,400
Active	DENVER UNIT #3201WC	42-501-00123	OCCIDENTAL PERMIAN LTD	Injection	4,500	27,320	4,500–5,495
Active	YOAKUM WASSON CLEARFORK UNIT #4811WY	42-501-02050	OCCIDENTAL PERMIAN LTD	Injection	1,500	27,172	5,650–7,900
Active	ROBERTS UNIT #3258W	42-501-36016	HILCORP ENGY CO	Injection	2,500	27,087	4,400–5,500
Active	WILLARD UNIT #26I	42-501-36694	OXY USA WTP LP	Injection	5,000	27,081	4,600–5,600
Active	CORNELL UNIT #122W	42-501-36426	HILCORP ENGY CO	Injection	2,000	27,067	4,300–5,515
Active	DENVER UNIT #3901WC	42-501-00609	OCCIDENTAL PERMIAN LTD	Injection	4,500	27,066	4,500–5,495
Active	WASSON NORTH CLEARFORK UNIT #71W	42-501-02788	OCCIDENTAL PERMIAN LTD	Injection	2,000	27,035	6,000–8,500
Active	REEVES UNIT #242W	42-501-34100	WHITE ROCK OIL & GAS, LLC	Injection	1,000	26,931	5,532–5,619
Active	MAHONEY, H. O. #82	42-501-34448	HILCORP ENGY CO	Injection	2,000	26,923	6,300–8,300
Active	MAHONEY, H. O. #151	42-501-35592	HILCORP ENGY CO	Injection	2,000	26,923	6,300–8,400
Active	ROBERTS UNIT #3261W	42-501-36053	HILCORP ENGY CO	Injection	2,500	26,869	4,400–5,500
Active	WASSON ODC UNIT #31	42-501-02205	OCCIDENTAL PERMIAN LTD	Injection	5,000	26,864	4,600–5,800
Active	BENNETT RANCH UNIT #4304RW	42-501-32350	OCCIDENTAL PERMIAN LTD	Injection	5,000	26,709	4,500–5,800
Active	MAHONEY, H. O. #150W	42-501-35606	HILCORP ENGY CO	Injection	3,000	26,633	6,300–8,300
Active	ROBERTS UNIT #3266W	42-501-36039	HILCORP ENGY CO	Injection	2,500	26,453	4,400–5,500
Active	WASSON ODC UNIT #829	42-501-37062	OCCIDENTAL PERMIAN LTD	Injection	5,000	26,356	4,600–5,800
Active	WASSON ODC UNIT #773	42-501-35812	OCCIDENTAL PERMIAN LTD	Injection	5,250	26,338	4,600–5,400
Active	WILLARD UNIT #58W	42-501-00681	OXY USA WTP LP	Injection	1,500	26,329	4,900–5,600
Active	WASSON ODC UNIT #364	42-501-30487	OCCIDENTAL PERMIAN LTD	Injection	1,500	26,119	4,942–5,256
Active	DENVER UNIT #2801WC	42-501-02391	OCCIDENTAL PERMIAN LTD	Injection	5,000	26,097	4,500–5,600
Active	CWC PRENTICE UNIT #33	42-501-33007	OCCIDENTAL PERMIAN LTD	Injection	1,000	26,081	5,900–6,835
Active	DENVER UNIT #2971	42-501-36250	OCCIDENTAL PERMIAN LTD	Injection	5,000	25,934	4,500–5,600
Active	WASSON ODC UNIT #779	42-501-35868	OCCIDENTAL PERMIAN LTD	Injection	5,250	25,913	4,600–5,400
Active	BENNETT RANCH UNIT #3369	42-501-36218	OCCIDENTAL PERMIAN LTD	Injection	6,500	25,836	4,500–5,800
Active	DENVER UNIT #4133WC	42-501-34872	OCCIDENTAL PERMIAN LTD	Injection	4,500	25,810	4,500–5,495
Active	BENNETT RANCH UNIT #4217R	42-501-35743	OCCIDENTAL PERMIAN LTD	Injection	5,000	25,790	4,500–5,800

page 16 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.