Saltwater Disposal Wells in Hockley County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
2,367
Permitted Capacity
6.9M bbl/d
Injected 12mo (thru 2025-06)
165.8M bbl
UIC Permits All Time
4,003
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Active | ELLWOOD "A" #62 | 42-219-01619 | HILCORP ENGY CO | Injection | 5,000 | 94 | 5,600–6,200 |
| Active | ELLWOOD "A" #84W | 42-219-00763 | HILCORP ENGY CO | Injection | 5,000 | 94 | 5,400–6,200 |
| Active | ELLWOOD "A" #65W | 42-219-01622 | HILCORP ENGY CO | Injection | 5,000 | 94 | 5,650–6,200 |
| Active | YELLOWHOUSE UNIT #35W | 42-219-01569 | HILCORP ENGY CO | Injection | 500 | 91 | 4,606–4,680 |
| Active | ELLWOOD "A" #132W | 42-219-31465 | HILCORP ENGY CO | Injection | 10,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #129W | 42-219-31461 | HILCORP ENGY CO | Injection | 10,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #71W | 42-219-01628 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #136W | 42-219-31925 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #30 | 42-219-00797 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #68W | 42-219-01625 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #67W | 42-219-01624 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #157 | 42-219-33903 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #167 | 42-219-34218 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #92W | 42-219-10058 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #159 | 42-219-33946 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #96W | 42-219-10062 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #100W | 42-219-10066 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #107W | 42-219-10161 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #116W | 42-219-10314 | HILCORP ENGY CO | Injection | 5,000 | 90 | 5,400–6,200 |
| Active | ELLWOOD "A" #170W | 42-219-34507 | HILCORP ENGY CO | Injection | 5,000 | 85 | 5,400–6,200 |
| Active | YELLOWHOUSE UNIT #57W | 42-219-01929 | HILCORP ENGY CO | Injection | 2,550 | 82 | 4,598–4,681 |
| Active | WEST RKM UNIT #98W | 42-219-01455 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,000 | 73 | 4,600–5,400 |
| Active | SLAUGHTER, A. A. ESTATE #38W | 42-219-34456 | BURK ROYALTY CO., LTD | Injection | 300 | 69 | 5,972–5,990 |
| Active | NORTH CENTRAL LEVELLAND UNIT #70W | 42-219-30782 | HILCORP ENGY CO | Injection | 1,000 | 56 | 4,560–5,000 |
| Active | NORTH CENTRAL LEVELLAND UNIT #249W | 42-219-00118 | HILCORP ENGY CO | Injection | 500 | 55 | 4,782–4,820 |
| Active | NORTH CENTRAL LEVELLAND UNIT #122W | 42-219-00995 | HILCORP ENGY CO | Injection | 1,000 | 52 | 4,560–5,000 |
| Active | NORTH CENTRAL LEVELLAND UNIT #114W | 42-219-00992 | HILCORP ENGY CO | Injection | 1,000 | 52 | 4,560–5,000 |
| Active | NORTH CENTRAL LEVELLAND UNIT #275W | 42-219-02616 | HILCORP ENGY CO | Injection | 1,000 | 52 | 4,560–5,000 |
| Active | SLAUGHTER ESTATE UNIT #129 | 42-219-36700 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,140 | 48 | 4,700–5,200 |
| Active | DELOACHE, IRA P. #81 | 42-219-35655 | BCE-MACH III LLC | Injection | 3,000 | 42 | 4,731–4,815 |
| Active | NORTHWEST MALLET UNIT #57W | 42-219-00449 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,000 | 12 | 4,600–5,200 |
| Active | SOUTHEAST LEVELLAND UNIT #48W | 42-219-01525 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | 9 | 4,500–5,100 |
| Active | MALLET #58W | 42-219-01427 | OXY USA WTP EOR, LLC | Injection | 5,000 | 5 | 4,800–5,200 |
| Active | CENTRAL LEVELLAND UNIT #260W | 42-219-33061 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 800 | 4 | 4,630–4,972 |
| Active | SUNDOWN UNIT #61 | 42-219-36003 | HILCORP ENGY CO | Injection | 5,300 | 2 | 4,600–5,300 |
| Active | SLAUGHTER CONSOLIDATED #314 | 42-219-32440 | HILCORP ENGY CO | Injection | 5,150 | 2 | 7,100–8,600 |
| Active | WEST RKM UNIT #196 | 42-219-32494 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,000 | 1 | 4,600–5,200 |
| Active | SOUTHEAST LEVELLAND UNIT #370WD | 42-219-37131 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 20,000 | -- | 8,100–11,700 |
| Active | SOUTHEAST LEVELLAND UNIT #369WD | 42-219-37132 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 20,000 | -- | 8,100–11,700 |
| Active | ROPES CANYON REEF UNIT #1302 | 42-219-01481 | SADDLE RIM ENGY (TEXAS), LLC | Injection | 15,000 | -- | 9,368–9,520 |
| Active | FRAZIER, W. G. #95 | 42-219-31844 | HILCORP ENGY CO | Disposal | 12,000 | -- | 11,700–12,500 |
| Active | ELLWOOD "A" #27 | 42-219-00794 | HILCORP ENGY CO | Injection | 12,000 | -- | 9,900–10,020 |
| Active | FRAZIER, W. G. #108 | 42-219-32304 | HILCORP ENGY CO | Disposal | 12,000 | -- | 9,064–12,500 |
| Active | SLAUGHTER CONSOLIDATED #315 | 42-219-34308 | HILCORP ENGY CO | Disposal | 10,000 | -- | 11,700–12,600 |
| Active | ANGUS 53 SWD #1 | 42-219-37414 | WALKABOUT OPER, LLC | Disposal | 10,000 | -- | 10,300–11,500 |
| Active | ROPES CANYON REEF UNIT #301W | 42-219-00877 | SADDLE RIM ENGY (TEXAS), LLC | Injection | 10,000 | -- | 8,600–9,600 |
| Active | ROPES CANYON REEF UNIT #202W | 42-219-00875 | SADDLE RIM ENGY (TEXAS), LLC | Injection | 10,000 | -- | 9,200–9,652 |
| Active | ROPES, E. (CLEARFORK) UNIT #105 | 42-219-37307 | NEW HEIGHT ENERGY, LLC | Injection | 10,000 | -- | 5,989–6,258 |
| Active | SLAUGHTER CONSOLIDATED #403 | 42-219-32431 | HILCORP ENGY CO | Injection | 6,400 | -- | 7,100–8,600 |
| Active | SUNDOWN SLAUGHTER UNIT #1331WD | 42-219-33223 | BCE-MACH III LLC | Injection | 6,000 | -- | 5,524–5,557 |
| Active | LEVELLAND UNIT #297W | 42-219-01948 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,700 | -- | 4,500–5,100 |
| Active | SUNDOWN UNIT #68 | 42-219-36084 | HILCORP ENGY CO | Injection | 5,350 | -- | 4,800–5,200 |
| Active | SUNDOWN UNIT #72WI | 42-219-36078 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,800–5,300 |
| Active | SUNDOWN UNIT #70WI | 42-219-36076 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,600–5,300 |
| Active | SUNDOWN UNIT #66 | 42-219-36074 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,600–5,300 |
| Active | SUNDOWN UNIT #58 | 42-219-36001 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,600–5,300 |
| Active | SUNDOWN UNIT #103 | 42-219-37377 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,600–5,300 |
| Active | SUNDOWN UNIT #92 | 42-219-36886 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,600–5,300 |
| Active | SUNDOWN UNIT #90 | 42-219-36884 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,600–5,300 |
| Active | SLAUGHTER CONSOLIDATED #413 | 42-219-34305 | HILCORP ENGY CO | Injection | 5,300 | -- | 6,500–8,800 |
| Active | SUNDOWN UNIT #21W | 42-219-02602 | HILCORP ENGY CO | Injection | 5,300 | -- | 4,600–5,300 |
| Active | WEST SUNDOWN UNIT #130 | 42-219-01761 | OXY USA EOR, LLC | Injection | 5,220 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #106 | 42-219-01769 | OXY USA EOR, LLC | Injection | 5,220 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #068 | 42-219-00307 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #136 | 42-219-01692 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #048 | 42-219-00310 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #228 | 42-219-37463 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #094 | 42-219-00039 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,300–5,600 |
| Active | WEST SUNDOWN UNIT #226 | 42-219-37461 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #225 | 42-219-37460 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #149 | 42-219-01689 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | CENTRAL MALLET UNIT #168 | 42-219-00857 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,200 | -- | 4,600–5,300 |
| Active | WEST SUNDOWN UNIT #031 | 42-219-31933 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #044 | 42-219-01795 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #038 | 42-219-00373 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #008 | 42-219-01742 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #061 | 42-219-01724 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #071 | 42-219-01720 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #051 | 42-219-01675 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #087 | 42-219-01640 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #165 | 42-219-01792 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #078 | 42-219-01732 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #081 | 42-219-01775 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #084 | 42-219-01767 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #065 | 42-219-01707 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #156 | 42-219-01716 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #090 | 42-219-01694 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST SUNDOWN UNIT #058 | 42-219-00311 | OXY USA EOR, LLC | Injection | 5,200 | -- | 4,600–5,600 |
| Active | WEST RKM UNIT #326 | 42-219-37455 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,200 | -- | 4,500–5,200 |
| Active | SLAUGHTER CONSOLIDATED #201 | 42-219-36368 | HILCORP ENGY CO | Injection | 5,160 | -- | 6,800–8,800 |
| Active | SOUTHEAST LEVELLAND UNIT #62W | 42-219-02555 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,500–5,100 |
| Active | SLAUGHTER CONSOLIDATED #224 | 42-219-36652 | HILCORP ENGY CO | Injection | 5,150 | -- | 7,100–8,600 |
| Active | SOUTHEAST LEVELLAND UNIT #109W | 42-219-01557 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,550–5,100 |
| Active | SOUTHEAST LEVELLAND UNIT #108W | 42-219-01556 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,550–5,100 |
| Active | SLAUGHTER CONSOLIDATED #333H | 42-219-37372 | HILCORP ENGY CO | Injection | 5,150 | -- | 7,100–8,600 |
| Active | SOUTHEAST LEVELLAND UNIT #106W | 42-219-00029 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,500–5,100 |
| Active | SOUTHEAST LEVELLAND UNIT #105W | 42-219-01554 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,550–5,100 |
| Active | SOUTHEAST LEVELLAND UNIT #104W | 42-219-01555 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,550–5,100 |
| Active | SOUTHEAST LEVELLAND UNIT #117W | 42-219-30037 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,550–5,100 |
| Active | SOUTHEAST LEVELLAND UNIT #212 | 42-219-31890 | OCCIDENTAL PERMIAN EOR, LLC | Injection | 5,150 | -- | 4,550–5,100 |
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.