Saltwater Disposal Wells in Stonewall County

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

Active Wells

300

Permitted Capacity

890,095 bbl/d

Injected 12mo (thru 2025-06)

20.1M bbl

UIC Permits All Time

1,203

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	MCMILLIN (CANYON SAND) UNIT #506	42-433-34155	MIDLAND OIL AND GAS, INC	Injection	500	44,300	4,192–5,151
Active	DAVAN UNIT #2203	42-433-32725	WINN OPER, LLC	Injection	1,000	43,615	5,420–5,490
Active	MCMILLIN (CANYON SAND) UNIT #407	42-433-34133	MIDLAND OIL AND GAS, INC	Injection	500	41,925	4,192–5,151
Active	MCMILLIN (CANYON SAND) UNIT #603	42-433-34172	MIDLAND OIL AND GAS, INC	Injection	500	40,425	4,192–5,151
Active	KENNEDY #1	42-433-33125	D.J. & T. ENGY	Injection	350	40,300	3,484–3,492
Active	EAST FLOWERS/CANYON/UNIT #510	42-433-30950	R3 OPERATING CORPORATION	Injection	1,500	40,151	3,975–4,400
Active	SMITH, LEE, ETAL #85	42-433-33745	TACOR RES INC	Injection	1,000	39,751	4,450–4,960
Active	MCMILLIN (CANYON SAND) UNIT #503	42-433-34154	MIDLAND OIL AND GAS, INC	Injection	500	39,350	4,192–5,151
Active	JONES, ELVIN #1	42-433-33074	G & F OIL, INC	Injection	500	38,100	2,900–2,928
Active	MCMILLIN (CANYON SAND) UNIT #610	42-433-34197	MIDLAND OIL AND GAS, INC	Injection	500	35,750	4,192–5,151
Active	FERGUSON #6	42-433-33531	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	35,389	4,851–4,857
Active	SMITH, LEE, ETAL #5X	42-433-10470	TACOR RES INC	Injection	1,000	35,131	4,540–4,679
Active	KATZ (STRAWN) UNIT #304	42-433-33738	ATLAS OPER LLC	Injection	10,000	34,202	4,800–5,600
Active	DOUBLE MOUNTAIN UNIT #202	42-433-01269	CLEAR WATER INC	UIC	250	33,000	5,227–5,254
Active	MCMILLIN (CANYON SAND) UNIT #5101H	42-433-33415	MIDLAND OIL AND GAS, INC	Injection	500	32,450	4,192–5,151
Active	SIMMONS 302 #4	42-433-33155	D.J. & T. ENGY	Injection	500	32,230	3,604–3,630
Active	SMITH, I. E. #17	42-433-33222	MIDLAND OIL AND GAS, INC	Injection	500	31,891	4,362–4,502
Active	MCMILLIN (CANYON SAND) UNIT #1101WI	42-433-34042	MIDLAND OIL AND GAS, INC	Injection	500	30,100	4,192–5,151
Active	SMITH, LEE, ETAL #83	42-433-33316	TACOR RES INC	Injection	1,000	30,031	4,550–4,960
Active	COVINGTON #1	42-433-32381	SOJOURNER DRLG. CORP	Injection	5,000	28,522	4,750–5,740
Active	CORSICA UNIT #23	42-433-33876	SCOUT ENGY MANAGEMENT LLC	Injection	1,500	28,162	5,962–6,038
Active	MCCOY #2	42-433-32380	EXTEX OPER CO	Injection	1,000	27,864	5,860–5,919
Active	STATE OF TEXAS TANNEHILL UNIT #13	42-433-32670	BIG AL OIL AND GAS	Injection	1,000	27,538	2,776–2,796
Active	DOUBLE MOUNTAIN UNIT #104	42-433-01258	CLEAR WATER INC	UIC	250	27,000	5,298–5,395
Active	MOYERS #1	42-433-01075	D.K.D	Disposal	6,000	26,976	3,200–3,620
Active	ALTMAN, R.F. #4	42-433-32686	SOJOURNER DRLG. CORP	Injection	1,000	26,718	3,105–3,110
Active	COATS 161 #2	42-433-34116	SOJOURNER DRLG. CORP	Injection	5,000	25,489	5,245–6,460
Active	GILLUM A #8	42-433-32485	MIDLAND OIL AND GAS, INC	Injection	350	25,137	4,194–4,253
Active	JONES, ELVIN #17	42-433-33232	G & F OIL, INC	Injection	400	24,800	2,928–2,956
Active	EAST FRANKIRK (CANYON SAND) UNIT #1911	42-433-34062	MIDLAND OIL AND GAS, INC	Injection	500	24,275	4,192–5,151
Active	PEACOCK TANNEHILL UNIT #14	42-433-33096	EXTEX OPER CO	Injection	600	24,159	3,502–3,563
Active	NORTHWEST SAGERTON UNIT #3	42-433-32650	SOJOURNER DRLG. CORP	Injection	450	23,700	5,014–5,015
Active	WEST FLOWERS UNIT #33 W	42-433-00250	GRAYROCK ENERGY II, LLC	Injection	1,000	23,654	4,282–4,500
Active	WEST FLOWERS UNIT #29W	42-433-00241	GRAYROCK ENERGY II, LLC	Injection	1,000	23,375	4,189–4,450
Active	BYRD #9	42-433-32003	M. E. OPER & SERVICES, INC	Injection	400	23,308	3,762–3,786
Active	GILLUM A #15	42-433-32678	MIDLAND OIL AND GAS, INC	Injection	350	21,690	4,258–4,312
Active	BISSETT,N(PARFET,STRAWN,LWR)UNIT #9WI	42-433-33043	SOJOURNER DRLG. CORP	Injection	600	21,463	5,458–5,462
Active	SMITH, LEE, ETAL #86	42-433-33798	TACOR RES INC	Injection	1,000	20,685	4,450–4,939
Active	KATZ (STRAWN) UNIT #164	42-433-33586	ATLAS OPER LLC	Injection	10,000	20,576	4,784–5,453
Active	ANDERSON '18' #618	42-433-33967	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	19,738	4,510–4,540
Active	JONES -G- #5	42-433-31067	GRAYROCK ENERGY II, LLC	Injection	1,000	19,736	4,393–4,750
Active	PRUITT (TANNEHILL) UNIT #3012	42-433-32170	QUATRO OIL AND GAS, INC	Injection	600	19,121	3,340–3,440
Active	JONES -G- #1	42-433-00038	GRAYROCK ENERGY II, LLC	UIC	250	18,765	4,550–4,675
Active	RENNELS #2	42-433-31156	SOJOURNER DRLG. CORP	Disposal	10,000	16,963	3,044–3,052
Active	BRINKLEY "A" #9	42-433-00273	GRAYROCK ENERGY II, LLC	Injection	1,000	16,355	3,800–4,300
Active	MARTIN #3WI	42-433-32638	SCOUT ENGY MANAGEMENT LLC	Injection	1,500	16,270	4,826–5,150
Active	MCMILLIN (CANYON SAND) UNIT #1	42-433-01052	MIDLAND OIL AND GAS, INC	Injection	500	15,900	4,192–5,151
Active	FLOWERS /CANYON SAND/ UNIT #327W	42-433-33555	CITATION OIL & GAS CORP	Injection	1,500	12,639	4,000–4,500
Active	ALEXANDER ESTATE #11X	42-433-33358	LANEER RES CO	Injection	225	12,120	4,824–4,850
Active	MCMEANS #6	42-433-33522	PRESLEY PROD INVESTMENTS, LLC	Injection	2,500	11,931	3,568–3,662
Active	BRINKLEY "A" #8W	42-433-00272	GRAYROCK ENERGY II, LLC	Injection	1,000	11,306	3,911–4,300
Active	MCMILLIN (CANYON SAND) UNIT #16	42-433-30304	MIDLAND OIL AND GAS, INC	Injection	500	10,925	4,192–5,151
Active	SMITH, LEE, ETAL #7	42-433-10440	TACOR RES INC	Injection	1,000	10,703	4,550–4,955
Active	EAST FRANKIRK (CANYON SAND) UNIT #1901	42-433-34046	MIDLAND OIL AND GAS, INC	Injection	500	10,650	4,192–5,151
Active	HENKEL, H. A., ETAL #22	42-433-32982	MIDLAND OIL AND GAS, INC	Injection	1,000	7,894	4,278–4,362
Active	EAST FRANKIRK (CANYON SAND) UNIT #17W	42-433-30976	MIDLAND OIL AND GAS, INC	Injection	500	6,975	4,192–5,151
Active	MITCHELL, JACK #1 A	42-433-32273	CLEAR FORK, INC	Injection	200	6,790	3,317–3,329
Active	BUBELA-WENDEBORN #1	42-433-32721	R3 OPERATING CORPORATION	Injection	2,000	6,784	5,976–6,036
Active	FLOWERS /CANYON SAND/ UNIT #361	42-433-33906	CITATION OIL & GAS CORP	Injection	1,000	6,691	4,000–4,350
Active	ANDERSON-CLEARFORK #218	42-433-33765	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	6,428	4,300–4,750
Active	FLOWERS /CANYON SAND/ UNIT #396W	42-433-33901	CITATION OIL & GAS CORP	Injection	1,000	5,833	4,000–4,350
Active	ALEXANDER ESTATE #4X	42-433-33356	LANEER RES CO	Injection	225	5,645	4,848–4,865
Active	BOYD CONGLOMERATE UNIT #31	42-433-01250	WILLIAMS, A. OIL	Injection	600	5,550	6,046–6,077
Active	KATZ (STRAWN) UNIT #142A	42-433-33496	ATLAS OPER LLC	Injection	10,000	5,154	4,761–5,447
Active	FERGUSON #4WI	42-433-33581	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	5,084	4,775–6,500
Active	BOYD CONGLOMERATE UNIT #21W	42-433-01687	WILLIAMS, A. OIL	Injection	600	5,055	6,031–6,085
Active	BRINKLEY "A" #2	42-433-00264	GRAYROCK ENERGY II, LLC	Injection	1,000	3,957	3,881–4,300
Active	ALBRITTON #3	42-433-33250	J & M SWD, LLC	Injection	1,500	3,684	2,640–2,662
Active	EAST FRANKIRK (CANYON SAND) UNIT #2005	42-433-34132	MIDLAND OIL AND GAS, INC	Injection	500	3,525	4,192–5,151
Active	SMITH, I. E. #13	42-433-33187	MIDLAND OIL AND GAS, INC	Injection	500	3,200	4,381–4,450
Active	CORSICA UNIT #9	42-433-33828	SCOUT ENGY MANAGEMENT LLC	Injection	2,000	2,877	5,968–6,004
Active	ANDERSON ESTATE 273 #5	42-433-33193	D.J. & T. ENGY	Injection	300	2,710	3,494–3,504
Active	BOYD CONGLOMERATE UNIT #28	42-433-01772	WILLIAMS, A. OIL	Injection	0	2,470	5,950
Active	CUMBIE #2	42-433-32909	MWL ENERGY LLC	Injection	300	1,700	2,923–2,935
Active	MARTIN, A.D. #12	42-433-33192	MWL ENERGY LLC	Injection	500	1,625	2,860–2,890
Active	MCMILLIN (CANYON SAND) UNIT #604	42-433-34067	MIDLAND OIL AND GAS, INC	Injection	500	1,275	4,192–5,151
Active	PRUITT (TANNEHILL) UNIT #306	42-433-32080	QUATRO OIL AND GAS, INC	Injection	1,000	883	3,300–3,390
Active	PRUITT (TANNEHILL) UNIT #304	42-433-31923	QUATRO OIL AND GAS, INC	Injection	600	803	3,250–3,384
Active	KATZ (STRAWN) UNIT #452	42-433-33945	ATLAS OPER LLC	Injection	10,000	800	4,750–5,600
Active	PUMPHREY #2	42-433-34191	NORTH FORK OPER LP	Injection	1,000	740	5,900–6,150
Active	KATZ (STRAWN) UNIT #272A	42-433-33632	ATLAS OPER LLC	Injection	10,000	680	4,788–5,470
Active	ALEXANDER ESTATE #7X	42-433-33357	LANEER RES CO	Injection	225	620	4,795–4,814
Active	PRUITT (TANNEHILL) UNIT #303	42-433-31880	QUATRO OIL AND GAS, INC	Injection	600	585	3,300–3,400
Active	FLOWERS /CANYON SAND/ UNIT #388W	42-433-33662	CITATION OIL & GAS CORP	Injection	1,500	580	4,000–4,500
Active	PRUITT (TANNEHILL) UNIT #504	42-433-32050	QUATRO OIL AND GAS, INC	Injection	1,000	571	3,294–3,385
Active	PRUITT (TANNEHILL) UNIT #3014	42-433-32977	QUATRO OIL AND GAS, INC	Injection	600	419	3,340–3,436
Active	Baugh #2	42-433-34249	CANAN MOWREY OPER, LLC	Injection	4,000	330	4,960–5,060
Active	FLOWERS /CANYON SAND/ UNIT #376W	42-433-33659	CITATION OIL & GAS CORP	Injection	1,500	300	4,000–4,500
Active	MCMEANS #5	42-433-30374	PRESLEY PROD INVESTMENTS, LLC	Disposal	200	215	3,070–3,094
Active	ALEXANDER ESTATE #15X	42-433-33359	LANEER RES CO	Injection	225	37	4,795–4,803
Active	KATZ SOUTH DISPOSAL WELLS #3741	42-433-01465	KINDER MORGAN PROD CO LLC	Injection	18,000	--	4,900–6,550
Active	KATZ (STRAWN) UNIT #130	42-433-33510	ATLAS OPER LLC	Injection	10,000	--	4,776–5,466
Active	KATZ (STRAWN) UNIT #322	42-433-33525	ATLAS OPER LLC	Injection	10,000	--	4,822–5,530
Active	KATZ (STRAWN) UNIT #306	42-433-33569	ATLAS OPER LLC	Injection	10,000	--	4,866–5,205
Active	KATZ (STRAWN) UNIT #360	42-433-34007	ATLAS OPER LLC	Injection	10,000	--	4,800–5,600
Active	KATZ (STRAWN) UNIT #326	42-433-33527	ATLAS OPER LLC	Injection	10,000	--	4,794–5,469
Active	KATZ (STRAWN) UNIT #250A	42-433-34217	ATLAS OPER LLC	Injection	10,000	--	4,800–5,314
Active	KATZ (STRAWN) UNIT #152	42-433-00779	ATLAS OPER LLC	Injection	10,000	--	4,763–5,444
Active	KATZ (STRAWN) UNIT #182	42-433-33585	ATLAS OPER LLC	Injection	10,000	--	4,763–5,445
Active	KATZ (STRAWN) UNIT #402	42-433-33648	ATLAS OPER LLC	Injection	10,000	--	4,784–5,450

page 2 of 13 · 1,203 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.