Saltwater Disposal Wells in Terry County

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

Active Wells

527

Permitted Capacity

1.5M bbl/d

Injected 12mo (thru 2025-06)

49.4M bbl

UIC Permits All Time

1,052

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	FLACHE, GLADYS #1071	42-445-31010	AVIATOR ENERGY, LLC	Disposal	23,000	4.1M	4,750–5,860
Active	WELLMAN UNIT #22	42-445-00073	CAPTUREPOINT LLC	Disposal	10,000	1.5M	12,724–13,022
Active	RICH #1	42-445-00081	CAPTUREPOINT LLC	Disposal	20,000	947,948	12,698–13,124
Active	NYSTEL, J. P. "B" #2	42-445-00718	R3 OPERATING CORPORATION	Injection	5,000	885,469	4,811–5,669
Active	INVESTORS ROYALTY CO. "A" #8WH	42-445-30208	BCE-MACH III LLC	Injection	10,000	656,727	6,000–8,500
Active	INVESTORS ROYALTY CO. "A" #26W	42-445-30711	BCE-MACH III LLC	Injection	2,500	620,982	6,925–8,200
Active	EARNEST "A" #2	42-445-31069	SEI OPER, LLC	Injection	10,000	613,651	3,450–13,068
Active	RUSHING, PEARL #2	42-445-30865	PETEX	Disposal	4,000	583,511	5,000–6,400
Active	ADAIR WOLFCAMP UNIT #1803R	42-445-31090	HILCORP ENGY CO	Injection	6,000	580,548	8,438–8,530
Active	PRENTICE NORTHEAST UNIT #82B	42-445-00226	HIGHMARK ENGY OPER, LLC	Injection	2,500	559,112	5,750–7,300
Active	MALLET LAND & CATTLE CO. #92W	42-445-30653	BCE-MACH III LLC	Injection	10,000	449,289	7,730–7,968
Active	PRENTICE NORTHEAST UNIT #130B	42-445-00227	HIGHMARK ENGY OPER, LLC	Injection	2,500	446,906	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #658L	42-445-31794	HIGHMARK ENGY OPER, LLC	Injection	2,500	444,089	6,200–7,300
Active	COVINGTON, ELLA "B" #18	42-445-31986	HIGHMARK ENGY OPER, LLC	Injection	2,000	367,748	7,400–8,117
Active	ADAIR WOLFCAMP UNIT #2304W	42-445-00049	HILCORP ENGY CO	Injection	4,000	362,742	8,450–8,540
Active	PRENTICE NORTHEAST UNIT #59A	42-445-30027	HIGHMARK ENGY OPER, LLC	Injection	2,500	361,311	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #49 L	42-445-00516	HIGHMARK ENGY OPER, LLC	Injection	2,500	358,755	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #85BW	42-445-00330	HIGHMARK ENGY OPER, LLC	Injection	2,500	357,100	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #665	42-445-31724	HIGHMARK ENGY OPER, LLC	Injection	2,500	351,751	5,750–7,100
Active	PRENTICE NORTHEAST UNIT #53A	42-445-00317	HIGHMARK ENGY OPER, LLC	Injection	2,500	336,541	5,750–7,300
Active	MALLET LAND & CATTLE CO. #90W	42-445-30633	BCE-MACH III LLC	Injection	10,000	322,085	7,725–7,980
Active	PRENTICE NORTHEAST UNIT #66B	42-445-00304	HIGHMARK ENGY OPER, LLC	Injection	2,500	317,517	5,750–7,300
Active	FRAZIER, W. G. #39W	42-445-00342	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	316,480	4,700–5,100
Active	MALLET LAND & CATTLE CO. #74W	42-445-30594	BCE-MACH III LLC	Injection	10,000	314,185	7,719–8,069
Active	PRENTICE NORTHEAST UNIT #83A	42-445-00291	HIGHMARK ENGY OPER, LLC	Injection	2,800	312,322	5,372–7,300
Active	INVESTORS ROYALTY CO. "A" #21W	42-445-30659	BCE-MACH III LLC	Injection	10,000	309,028	7,450–7,999
Active	FRAZIER, W. G. #140	42-445-31248	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	302,433	4,800–5,100
Active	PRENTICE NORTHEAST UNIT #15 U	42-445-00095	HIGHMARK ENGY OPER, LLC	Injection	2,500	299,667	5,750–7,300
Active	MALLET LAND & CATTLE CO. #58W	42-445-30259	BCE-MACH III LLC	Injection	10,000	299,293	7,600–8,150
Active	PRENTICE NORTHEAST UNIT #585	42-445-31916	HIGHMARK ENGY OPER, LLC	Injection	2,500	298,142	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #691U	42-445-31757	HIGHMARK ENGY OPER, LLC	Injection	2,500	296,138	5,750–7,350
Active	MALLET LAND & CATTLE COMPANY #11W	42-445-00259	CROSS TIMBERS ENGY, LLC	Injection	1,000	284,880	4,970–5,030
Active	PRENTICE NORTHEAST UNIT #550	42-445-31990	HIGHMARK ENGY OPER, LLC	Injection	2,500	283,937	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #61A	42-445-30025	HIGHMARK ENGY OPER, LLC	Injection	2,500	280,480	5,750–7,300
Active	JACOBSON #22W	42-445-30760	BASIN OIL & GAS OPER, LLC	Injection	1,500	278,804	7,679–7,934
Active	1ST NATL BANK OF ROSWELL TR. "B" #20W	42-445-31729	BCE-MACH III LLC	Injection	2,200	274,613	7,350–8,200
Active	PRENTICE NORTHEAST UNIT #691L	42-445-31757	HIGHMARK ENGY OPER, LLC	Injection	2,500	273,305	5,750–7,350
Active	PRENTICE NORTHEAST UNIT #39 L	42-445-00520	HIGHMARK ENGY OPER, LLC	Injection	2,500	267,736	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #724	42-445-31952	HIGHMARK ENGY OPER, LLC	Injection	2,500	267,466	5,750–7,300
Active	PRENTICE (6700 CLEARFORK) UNIT #308W	42-445-00607	OCCIDENTAL PERMIAN LTD	Injection	1,500	257,699	6,489–6,708
Active	PRENTICE NORTHEAST UNIT #17 L	42-445-00346	HIGHMARK ENGY OPER, LLC	Injection	2,500	254,384	7,050–7,400
Active	PRENTICE NORTHEAST UNIT #91A	42-445-00338	HIGHMARK ENGY OPER, LLC	Injection	2,500	249,334	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #116A	42-445-00490	HIGHMARK ENGY OPER, LLC	Injection	2,500	245,197	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #66A	42-445-00308	HIGHMARK ENGY OPER, LLC	Injection	2,500	243,477	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #115B	42-445-00279	HIGHMARK ENGY OPER, LLC	Injection	2,500	243,452	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #126A	42-445-00327	HIGHMARK ENGY OPER, LLC	Injection	2,500	238,984	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #117B	42-445-00329	HIGHMARK ENGY OPER, LLC	Injection	2,500	238,267	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #661U	42-445-31764	HIGHMARK ENGY OPER, LLC	Injection	2,500	237,097	5,750–7,350
Active	PRENTICE NORTHEAST UNIT #147	42-445-30845	HIGHMARK ENGY OPER, LLC	Injection	2,500	236,711	5,750–7,300
Active	HELEN #7	42-445-32036	R3 OPERATING CORPORATION	Injection	1,500	230,707	7,200–8,000
Active	PRENTICE NORTHEAST UNIT #94A	42-445-00234	HIGHMARK ENGY OPER, LLC	Injection	2,500	229,026	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #52B	42-445-00297	HIGHMARK ENGY OPER, LLC	Injection	2,500	228,223	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #33A	42-445-30037	HIGHMARK ENGY OPER, LLC	Injection	2,500	226,777	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #8	42-445-00098	HIGHMARK ENGY OPER, LLC	Injection	2,800	221,001	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #92B	42-445-00280	HIGHMARK ENGY OPER, LLC	Injection	2,500	216,413	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #113A	42-445-00233	HIGHMARK ENGY OPER, LLC	Injection	2,500	213,120	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #38 L	42-445-00518	HIGHMARK ENGY OPER, LLC	Injection	2,500	212,007	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #50 L	42-445-00514	HIGHMARK ENGY OPER, LLC	Injection	2,500	209,394	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #716L	42-445-31782	HIGHMARK ENGY OPER, LLC	Injection	2,500	206,115	6,200–7,300
Active	PRENTICE NORTHEAST UNIT #155	42-445-31076	HIGHMARK ENGY OPER, LLC	Injection	2,500	205,926	5,892–6,888
Active	PRENTICE NORTHEAST UNIT #48	42-445-00534	HIGHMARK ENGY OPER, LLC	Injection	2,200	204,441	5,465–7,400
Active	WISDOM UNIT #2	42-445-31814	CREY OIL & GAS LLC	Disposal	12,000	202,524	4,600–7,000
Active	MOSS #304D	42-445-31054	CREY OIL & GAS LLC	Disposal	12,000	202,523	4,523–7,900
Active	MOSS #204	42-445-30974	CREY OIL & GAS LLC	Disposal	12,000	202,416	4,523–7,900
Active	PRENTICE NORTHEAST UNIT #92A	42-445-00289	HIGHMARK ENGY OPER, LLC	Injection	2,500	202,002	5,750–7,300
Active	HELEN #3	42-445-31887	R3 OPERATING CORPORATION	Injection	1,500	201,682	7,200–8,000
Active	PRENTICE NORTHEAST UNIT #299	42-445-31951	HIGHMARK ENGY OPER, LLC	Injection	2,500	201,110	5,750–7,350
Active	FRAZIER, W. G. #36	42-445-00345	OCCIDENTAL PERMIAN EOR, LLC	Injection	5,000	193,459	4,800–5,100
Active	PRENTICE NORTHEAST UNIT #50 U	42-445-00514	HIGHMARK ENGY OPER, LLC	Injection	2,500	192,933	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #84B	42-445-00281	HIGHMARK ENGY OPER, LLC	Injection	2,500	190,214	5,750–7,300
Active	MALLET LAND & CATTLE COMPANY #8AW	42-445-00256	CROSS TIMBERS ENGY, LLC	Injection	1,000	188,035	4,958–5,025
Active	PRENTICE NORTHEAST UNIT #42W	42-445-00517	HIGHMARK ENGY OPER, LLC	Injection	2,500	184,562	6,500–6,900
Active	KENNEDY, R. C. #7	42-445-32214	OCCIDENTAL PERMIAN LTD	Injection	1,000	184,486	7,335–8,250
Active	PRENTICE NORTHEAST UNIT #119W	42-445-00336	HIGHMARK ENGY OPER, LLC	Injection	2,500	183,265	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #694	42-445-31773	HIGHMARK ENGY OPER, LLC	Injection	2,500	181,829	5,750–7,300
Active	FRAZIER, W. G. #114	42-445-30677	HILCORP ENGY CO	Injection	5,000	181,499	7,200–8,100
Active	MABEE #4	42-445-32458	R3 OPERATING CORPORATION	Injection	8,000	180,789	7,150–7,950
Active	PRENTICE NORTHEAST UNIT #661L	42-445-31764	HIGHMARK ENGY OPER, LLC	Injection	2,500	180,317	5,750–7,350
Active	PRENTICE NORTHEAST UNIT #635	42-445-31728	HIGHMARK ENGY OPER, LLC	Injection	2,500	178,563	5,750–7,100
Active	HELEN #11H	42-445-32168	R3 OPERATING CORPORATION	Injection	5,000	177,632	7,100–7,485
Active	PRENTICE NORTHEAST UNIT #110A	42-445-00231	HIGHMARK ENGY OPER, LLC	Injection	2,500	176,357	5,921–6,917
Active	HELEN #18	42-445-32442	R3 OPERATING CORPORATION	Injection	1,500	176,303	7,200–8,000
Active	HELEN #17	42-445-32441	R3 OPERATING CORPORATION	Injection	1,500	175,711	7,200–8,000
Active	PRENTICE NORTHEAST UNIT #90BW	42-445-00332	HIGHMARK ENGY OPER, LLC	Injection	2,500	174,008	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #76 L	42-445-00459	HIGHMARK ENGY OPER, LLC	Injection	2,500	172,748	5,750–7,300
Active	PRENTICE NORTHEAST UNIT #95A	42-445-00238	HIGHMARK ENGY OPER, LLC	Injection	2,500	170,352	5,750–7,300
Active	1ST NATL BANK OF ROSWELL TR. "B" #17W	42-445-30693	BCE-MACH III LLC	Injection	500	168,143	7,651–8,064
Active	PRENTICE (6700 CLEARFORK) UNIT #104	42-445-00595	OCCIDENTAL PERMIAN LTD	Injection	1,500	167,985	6,517–6,900
Active	PRENTICE NORTHEAST UNIT #138A	42-445-31414	HIGHMARK ENGY OPER, LLC	Injection	2,500	167,636	5,875–6,927
Active	DAKOTA A #1	42-445-31091	CREY OIL & GAS LLC	Injection	10,000	167,332	4,950–12,760
Active	MALLET LAND & CATTLE CO. #62W	42-445-30290	BCE-MACH III LLC	Injection	10,000	166,966	7,600–8,150
Active	WELLMAN WEST UNIT #9HW	42-445-30588	WHITE ROCK OIL & GAS, LLC	Injection	800	163,141	4,953–5,592
Active	JACOBSON #23W	42-445-30761	BASIN OIL & GAS OPER, LLC	Injection	1,500	162,954	7,686–7,982
Active	PRENTICE (6700 CLEARFORK) UNIT #206W	42-445-00390	OCCIDENTAL PERMIAN LTD	Injection	1,000	160,277	5,500–6,855
Active	JACOBSON #24W	42-445-30762	BASIN OIL & GAS OPER, LLC	Injection	1,500	159,439	7,719–7,998
Active	WELLMAN WEST UNIT #21HW	42-445-30852	WHITE ROCK OIL & GAS, LLC	Injection	800	157,046	4,953–5,640
Active	ADAIR SAN ANDRES UNIT #906W	42-445-30102	HILCORP ENGY CO	Injection	2,623	155,490	4,400–4,968
Active	PRENTICE (6700 CLEARFORK) UNIT #312	42-445-00611	OCCIDENTAL PERMIAN LTD	Injection	1,500	155,303	6,523–6,900
Active	MALLET LAND & CATTLE CO. #63W	42-445-30289	BCE-MACH III LLC	Injection	10,000	154,651	7,600–8,150
Active	PRENTICE NORTHEAST UNIT #6	42-445-00348	HIGHMARK ENGY OPER, LLC	Injection	2,500	154,371	5,700–7,350

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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.