Saltwater Disposal Wells in Crane County

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

Active Wells

1,177

Permitted Capacity

2.9M bbl/d

Injected 12mo (thru 2025-06)

134.0M bbl

UIC Permits All Time

3,166

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	NORTH MCELROY UNIT #4026W	42-103-11052	KINDER MORGAN PROD CO LLC	Injection	1,500	23,757	2,896–3,064
Active	WADDELL TR 1 #512W	42-103-01526	BLACKBEARD OPER, LLC	Injection	3,000	23,505	3,162–3,446
Active	WADDELL TR 1 #981W	42-103-20092	BLACKBEARD OPER, LLC	Injection	1,000	23,483	3,499–3,555
Active	MCELROY, J. T., CONS. #1483W	42-103-35462	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	23,173	2,600–3,300
Active	MCELROY, J. T., CONS. #808	42-103-31051	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	22,961	2,600–3,100
Active	WADDEL TR 1-W #75W	42-103-01057	BLACKBEARD OPER, LLC	Injection	1,000	22,498	3,200–3,500
Active	BARNSLEY UNIT #12W	42-103-00256	EXTEX OPER CO	Injection	2,000	22,360	4,134–4,350
Active	WADDELL TR 3-D #295W	42-103-01152	BLACKBEARD OPER, LLC	Injection	1,000	22,121	3,218–3,287
Active	BARNSLEY UNIT #I 1W	42-103-30142	EXTEX OPER CO	Injection	2,000	21,922	4,254–4,500
Active	NORTH MCELROY UNIT #3965W	42-103-30305	KINDER MORGAN PROD CO LLC	Injection	2,000	21,489	2,830–3,044
Active	NORTH MCELROY UNIT #4641W	42-103-30180	KINDER MORGAN PROD CO LLC	Injection	1,500	21,489	2,842–2,981
Active	CORDONA LAKE CONSOLIDATED UNIT #118W	42-103-34416	HILCORP ENGY CO	Injection	2,500	21,408	5,100–5,720
Active	MCELROY, J. T., CONS. #1444W	42-103-35368	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	21,289	2,600–3,300
Active	MCELROY, J. T., CONS. #1090W	42-103-33971	SCOUT ENGY MANAGEMENT LLC	Injection	4,000	21,074	2,600–3,200
Active	MCELROY, J. T., CONS. #1095 W	42-103-33974	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	21,060	2,690–3,300
Active	COWDEN, G. H. D #165	42-103-35590	HILCORP ENGY CO	Injection	3,000	20,359	3,800–4,563
Active	WADDELL TR 3-D #432W	42-103-01276	BLACKBEARD OPER, LLC	Injection	1,000	20,323	3,186–3,506
Active	MUNN #3U	42-103-30590	WYNCO ENGY, INC	Injection	300	20,198	3,270–3,595
Active	WADDELL TR B #105W	42-103-02397	BLACKBEARD OPER, LLC	Injection	3,000	20,196	4,420–4,890
Active	CORDONA LAKE CONSOLIDATED UNIT #73W	42-103-33546	HILCORP ENGY CO	Injection	1,500	19,881	5,000–5,700
Active	CRIER-MCELROY #84 C	42-103-00385	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	19,759	2,665–3,300
Active	CORDONA LAKE CONSOLIDATED UNIT #103W	42-103-34011	HILCORP ENGY CO	Injection	1,500	19,740	5,000–5,700
Active	TEXAS UNIVERSITY SEC. 1 & 2 #14W	42-103-03898	FORMENTERA OPERATIONS LLC	Injection	500	19,652	3,196–3,310
Active	MCELROY, J. T., CONS. #211C	42-103-00583	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	19,277	2,638–3,300
Active	WADDELL TR 3-D #306W	42-103-01163	BLACKBEARD OPER, LLC	Injection	1,000	18,976	3,100–3,600
Active	WADDELL TR 3 #657W	42-103-01489	BLACKBEARD OPER, LLC	Injection	1,000	18,858	8,682–9,392
Active	WADDELL TR A #369W	42-103-01837	BLACKBEARD OPER, LLC	Injection	1,000	18,814	4,419–4,808
Active	STATE OF TEXAS -DW- #7W	42-103-04121	FORMENTERA OPERATIONS LLC	Injection	700	18,675	3,084–3,350
Active	CORDONA LAKE CONSOLIDATED UNIT #3W	42-103-02663	HILCORP ENGY CO	Injection	1,500	18,585	5,000–5,700
Active	MCELROY, J. T., CONS. #1093 W	42-103-33969	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	18,381	2,750–3,300
Active	CORDONA LAKE CONSOLIDATED UNIT #69W	42-103-33035	HILCORP ENGY CO	Injection	3,000	18,377	5,000–5,654
Active	MCCLINTIC UNIT #24X	42-103-33981	CITATION OIL & GAS CORP	Injection	750	18,251	2,910–3,039
Active	JOHNSON-STATE #2D	42-103-32379	MILLWEE OIL, INC	Injection	450	18,036	3,980–4,020
Active	CRIER-MCELROY #19 C	42-103-00434	SCOUT ENGY MANAGEMENT LLC	Injection	600	18,014	2,400–3,300
Active	WADDELL TR A #65W	42-103-02359	BLACKBEARD OPER, LLC	Injection	3,000	17,906	3,696–4,860
Active	MCELROY, J. T., CONS. #1454W	42-103-35369	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	17,732	2,600–3,300
Active	REIDLAND #1D	42-103-11068	MILLWEE OIL, INC	UIC	325	17,576	3,210–3,443
Active	CORDONA LAKE CONSOLIDATED UNIT #71W	42-103-33539	HILCORP ENGY CO	Injection	3,000	17,341	4,900–5,434
Active	MCELROY, J. T., CONS. #1430W	42-103-35426	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	17,241	2,600–3,300
Active	BARNSLEY UNIT #21W	42-103-02969	EXTEX OPER CO	Injection	1,000	17,100	4,253–4,500
Active	UNIVERSITY -M- #14W	42-103-11108	FORMENTERA OPERATIONS LLC	Injection	300	16,844	2,935–3,094
Active	MCCLINTIC UNIT #61	42-103-04926	CITATION OIL & GAS CORP	Injection	1,000	16,805	2,913–3,048
Active	MCELROY, J. T., CONS. #1092W	42-103-33970	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	16,595	2,730–3,300
Active	WADDELL TR A #122W	42-103-02412	BLACKBEARD OPER, LLC	Injection	1,000	16,200	4,300–4,900
Active	WADDELL TR A #33W	42-103-02328	BLACKBEARD OPER, LLC	Injection	500	15,638	4,300–4,800
Active	WADDELL TR 1 #538W	42-103-01372	BLACKBEARD OPER, LLC	Injection	1,000	15,440	3,208–3,258
Active	MCELROY, J. T., CONS. #40 C	42-103-00672	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	15,031	2,702–2,929
Active	WADDELL TR A #127W	42-103-02417	BLACKBEARD OPER, LLC	Injection	500	14,994	4,410–4,860
Active	MCELROY, J. T., CONS. #237RW	42-103-34280	SCOUT ENGY MANAGEMENT LLC	Injection	2,000	14,909	2,730–3,000
Active	6 POUNDER #101SD	42-103-36603	BLACKBEARD OPER, LLC	Injection	20,000	14,897	3,100–3,700
Active	BARNSLEY UNIT #26W	42-103-04678	EXTEX OPER CO	Injection	1,000	14,615	4,131–4,230
Active	WADDELL TR 1 #609W	42-103-01441	BLACKBEARD OPER, LLC	Injection	1,000	14,418	3,398–3,552
Active	MCELROY, J. T., CONS. #809C	42-103-31050	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	13,615	2,500–3,500
Active	MCELROY, J. T., CONS. #125W	42-103-02609	SCOUT ENGY MANAGEMENT LLC	Injection	2,000	13,214	2,618–2,920
Active	WADDELL TR 3-D #377W	42-103-01513	BLACKBEARD OPER, LLC	Injection	1,000	12,884	3,000–3,570
Active	CRIER-MCELROY #330W	42-103-33922	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	12,827	2,700–3,300
Active	WADDELL TR A #1286W	42-103-33193	BLACKBEARD OPER, LLC	Injection	2,000	12,484	4,300–4,800
Active	MCELROY, J. T., CONS. #819	42-103-31072	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	12,402	2,600–3,000
Active	MCELROY, J. T., CONS. #1091W	42-103-33972	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	12,285	2,730–3,300
Active	TEXAS UNIVERSITY SEC. 1 & 2 #5W	42-103-03678	FORMENTERA OPERATIONS LLC	Injection	500	12,238	3,182–3,350
Active	EDWARDS, W. P. #15W	42-103-03699	CITATION OIL & GAS CORP	Injection	700	12,006	3,250–3,523
Active	UNIVERSITY WADDELL DEVONIAN UNIT #606W	42-103-05351	FORMENTERA OPERATIONS LLC	Injection	1,000	11,628	8,770–9,312
Active	UNIVERSITY WADDELL DEVONIAN UNIT #314W	42-103-05663	FORMENTERA OPERATIONS LLC	Injection	1,000	11,561	8,730–9,360
Active	CONCHO BLUFF QUEEN UNIT #1007W	42-103-04163	FLAT TOP OPERATING, LLC	Injection	1,500	11,314	4,281–4,317
Active	UNIVERSITY WADDELL DEVONIAN UNIT #311W	42-103-05660	FORMENTERA OPERATIONS LLC	Injection	1,000	11,309	8,771–9,304
Active	WADDELL TR A #37W	42-103-02332	BLACKBEARD OPER, LLC	Injection	2,000	11,146	4,390–4,758
Active	WADDELL TR A #1343 W	42-103-33822	BLACKBEARD OPER, LLC	Injection	500	10,995	4,411–4,790
Active	NORTH MCELROY UNIT #4645W	42-103-04285	KINDER MORGAN PROD CO LLC	Injection	1,500	10,745	2,857–3,073
Active	CRIER-MCELROY #218RW	42-103-34704	SCOUT ENGY MANAGEMENT LLC	Injection	4,000	10,713	2,600–3,200
Active	MCELROY, J. T., CONS. #823C	42-103-31081	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	10,425	2,680–3,094
Active	BARNSLEY UNIT #3W	42-103-04850	EXTEX OPER CO	Injection	1,000	10,375	4,102–4,370
Active	COWDEN "A" #1W	42-103-33429	SOUTHWEST ROYALTIES, INC	Disposal	800	10,001	3,320–3,570
Active	WADDELL TR A #1289	42-103-33403	BLACKBEARD OPER, LLC	Injection	1,000	9,882	4,441–4,617
Active	WADDELL TR B #294	42-103-01762	BLACKBEARD OPER, LLC	Injection	3,500	9,709	3,175–3,555
Active	TUBB, J. B. -A- A/C #2 #12	42-103-05792	FORMENTERA OPERATIONS LLC	Injection	600	9,569	4,294–4,560
Active	MCELROY, J. T., CONS. #651	42-103-30521	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	9,346	2,600–3,100
Active	TEXAS UNIVERSITY SEC. 1 & 2 #22W	42-103-30320	FORMENTERA OPERATIONS LLC	Injection	1,000	9,259	3,170–3,322
Active	MCELROY, J. T., CONS. #141 C	42-103-05943	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	9,203	2,702–2,996
Active	WADDEL TR 1-W #349	42-103-01205	BLACKBEARD OPER, LLC	Injection	1,500	8,980	3,000–3,600
Active	WADDELL TR A #124W	42-103-02414	BLACKBEARD OPER, LLC	Injection	1,000	8,808	4,435–4,875
Active	WADDELL TR B #78W	42-103-02371	BLACKBEARD OPER, LLC	Injection	1,000	8,802	4,000–4,920
Active	CORDONA LAKE CONSOLIDATED UNIT #70W	42-103-33036	HILCORP ENGY CO	Injection	1,500	8,175	5,000–5,700
Active	MCCLINTIC UNIT #13W	42-103-03835	CITATION OIL & GAS CORP	Injection	1,000	7,994	2,702–2,948
Active	UNIVERSITY #3	42-103-03970	REFORMED RESOURCES, LLC	UIC	1,000	7,941	3,227–3,384
Active	MCELROY, J. T., CONS. #1515W	42-103-35869	SCOUT ENGY MANAGEMENT LLC	Injection	3,500	7,825	2,500–3,200
Active	CORDONA LAKE CONSOLIDATED UNIT #60W	42-103-32043	HILCORP ENGY CO	Injection	1,500	7,802	5,000–5,700
Active	WADDELL TR A #119W	42-103-02409	BLACKBEARD OPER, LLC	Injection	500	7,608	4,380–4,865
Active	WADDELL TR 1 #317W	42-103-01174	BLACKBEARD OPER, LLC	Injection	1,000	7,526	3,342–3,456
Active	CRIER-MCELROY #355W	42-103-33964	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	7,465	2,700–3,300
Active	NORTH MCELROY UNIT #4663W	42-103-04836	KINDER MORGAN PROD CO LLC	Injection	1,500	7,334	2,807–3,064
Active	MCELROY, J. T., CONS. #70 C	42-103-00459	SCOUT ENGY MANAGEMENT LLC	Injection	2,000	7,330	2,687–2,984
Active	COWDEN, JAX M B #72W	42-103-34630	HILCORP ENGY CO	Injection	2,500	7,192	5,300–5,565
Active	NORTH CROSS /DEV./ UNIT #42G	42-103-04028	OCCIDENTAL PERMIAN LTD	Injection	2,000	6,967	5,100–5,600
Active	CRIER-MCELROY #181 C	42-103-30580	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	6,842	2,800–3,300
Active	WADDELL TR A #440W	42-103-01899	BLACKBEARD OPER, LLC	Injection	500	6,758	3,144–3,470
Active	CRIER-MCELROY #131 C	42-103-00431	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	6,446	2,800–3,300
Active	WADDELL TR A #1431W	42-103-34256	BLACKBEARD OPER, LLC	Injection	500	6,417	4,400–5,000
Active	EDWARDS, C., JR., ETAL -A- #9W	42-103-10254	WILLIAMS OIL CO	UIC	300	6,341	6,308–6,402
Active	WADDELL TR A #72W	42-103-02365	BLACKBEARD OPER, LLC	Injection	500	6,193	4,500–4,900
Active	WADDELL TR A #1288W	42-103-33402	BLACKBEARD OPER, LLC	Injection	500	5,760	4,300–5,000

page 6 of 32 · 3,166 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.