Produced water and disposal in Hockley County
Every injection and disposal permit in the county, what each well is permitted to take, what its operator reported, and who is reporting daily. Earthquakes in the area →
Hockley County has 2,367 active injection and disposal wells, 13 of them permitted for disposal, with 6.9 million barrels a day of permitted capacity.
Operators reported 166 million barrels injected on H-10 filings in the twelve months to June 2025, down 6% on the year before, about 7% of what the permits allow.
Occidental Permian EOR, LLC is the largest injector in the county, with 81 million barrels reported across 1054 active wells.
- 2,367
- active injection wells, 13 for disposal
- 6.92M
- bbl/d permitted capacity
- 166M
- bbl reported, H-10 year to Jun 2025 -6%
- 7%
- of permitted capacity used
- 4,003
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 165,783,849 · prior 12 176,923,256(-6%)
Who injects here
Operators with active permits in the county, by reported H-10 volume over the settled year.
| Operator | Reported, bbl | Active wells | Capacity bbl/d |
|---|---|---|---|
| Occidental Permian EOR, LLC | 80.9M | 1,054 | 4.14M |
| Bce-Mach III LLC | 30.1M | 296 | 494K |
| Hilcorp Engy Co | 17.3M | 429 | 1.2M |
| OXY USA EOR, LLC | 8.14M | 72 | 363K |
| OXY USA WTP EOR, LLC | 2.67M | 46 | 149K |
| Aviator Engy, LLC | 2.53M | 39 | 26.8K |
| Texland Petro, L.P | 2.48M | 37 | 42.7K |
| Burk Royalty Co., Ltd | 2.12M | 87 | 68.9K |
| Rogers, S. K. Oil, Inc | 1.88M | 33 | 20.8K |
| Momentum Oper Co., Inc | 1.86M | 23 | 11.5K |
| Cross Timbers Engy, LLC | 1.77M | 67 | 49.5K |
| Beryl Oil and Gas, LP | 1.49M | 2 | 40K |
| New Height Energy, LLC | 1.42M | 9 | 34K |
| Basin Oil & Gas Oper, LLC | 1.22M | 16 | 16.5K |
| Sixess Engy, LLC | 1.16M | 25 | 12.5K |
| Raw Oil & Gas, Inc | 600K | 12 | 6K |
| Westridge Resources, Inc. | 533K | 2 | 10K |
| White Rock Oil & Gas, LLC | 524K | 8 | 7.4K |
| Chi Oper, Inc | 430K | 6 | 10.8K |
| EL Ran Inc | 385K | 13 | 8.2K |
Injection permits
4,003 UIC PERMITS · 2,367 ACTIVE · PAGE 2 OF 41
Active permits first, by reported volume, then cancelled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| Slaughter Estate Unit #314 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 231K | 5,000 | 4,600–5,200 | Apr 28, 2003 |
| Ropes, E. (Clearfork) Unit #18W | New Height Energy, LLC | Active | Enhanced recovery | 231K | 2,000 | 6,040–6,070 | Feb 23, 2015 |
| Sundown Slaughter Unit #1104 | Bce-Mach III LLC | Active | Enhanced recovery | 231K | 2,200 | 4,800–5,200 | Oct 22, 1993 |
| Coons, W. A. #36W | Hilcorp Engy Co | Active | Enhanced recovery | 230K | 1,300 | 4,895–5,070 | Jan 29, 1992 |
| Frazier, W. G. #32 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 229K | 5,000 | 4,700–5,100 | Apr 15, 2003 |
| Morton, J. V. #C 5 | Hilcorp Engy Co | Active | Enhanced recovery | 227K | 5,000 | 4,550–5,000 | Apr 28, 2003 |
| Levelland Unit #124W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 227K | 5,000 | 4,550–5,100 | Dec 2, 2003 |
| Slaughter Estate Unit #239 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 227K | 5,000 | 4,600–5,200 | Apr 28, 2003 |
| Frazier, W. G. #27 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 227K | 5,000 | 4,700–5,100 | May 2, 2003 |
| Central Levelland Unit #67W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 226K | 1,000 | 4,550–5,000 | May 20, 1991 |
| Slaughter, Bob #615W | Bce-Mach III LLC | Active | Enhanced recovery | 225K | 2,200 | 7,400–8,200 | Feb 1, 2021 |
| West Sundown Unit #115 | OXY USA EOR, LLC | Active | Enhanced recovery | 225K | 5,200 | 4,600–5,600 | Apr 24, 2018 |
| Sundown Slaughter Unit #1042 | Bce-Mach III LLC | Active | Other | 223K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| Levelland Unit #75W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 222K | 5,000 | 4,550–5,100 | Dec 2, 2003 |
| Southeast Levelland Unit #8W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 221K | 1,000 | 4,702–5,012 | Mar 4, 1991 |
| Levelland Unit #771 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 219K | 1,200 | 4,770–5,000 | Mar 10, 1994 |
| West Sundown Unit #140 | OXY USA EOR, LLC | Active | Enhanced recovery | 219K | 5,200 | 4,600–5,600 | Dec 15, 2017 |
| Levelland Unit #966 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 217K | 1,200 | 4,704–4,888 | Jul 30, 1993 |
| Levelland Unit #22 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 215K | 1,200 | 4,738–5,000 | Mar 10, 1994 |
| Levelland Unit #63W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 215K | 10,000 | 4,300–4,885 | Oct 12, 2017 |
| Levelland Unit #56W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 214K | 5,100 | 4,500–5,100 | Jun 3, 2016 |
| Smyer, East /Clearfork/ Unit #41W | Momentum Oper Co., Inc | Active | Enhanced recovery | 213K | 306 | 5,832–5,908 | Feb 12, 1985 |
| Mallet #34W | OXY USA WTP EOR, LLC | Active | Enhanced recovery | 212K | 5,000 | 4,800–5,200 | Jan 13, 2004 |
| Levelland Unit #410 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 212K | 5,000 | 4,550–5,100 | Mar 4, 2019 |
| Slaughter Estate Unit #347 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 212K | 5,000 | 4,800–5,200 | Apr 28, 2003 |
| Central Levelland Unit #250W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 212K | 800 | 4,656–5,000 | Feb 20, 1987 |
| Frazier, W. G. #69 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 210K | 5,000 | 4,800–5,100 | May 2, 2003 |
| Levelland Unit #345W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 210K | 5,100 | 4,400–5,100 | Apr 24, 2018 |
| Levelland Unit #169W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 209K | 5,000 | 4,615–5,100 | Sep 16, 2005 |
| Frazier, W. G. #34 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 209K | 5,000 | 4,600–5,100 | Apr 15, 2003 |
| Levelland Unit #290W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 209K | 5,100 | 4,550–5,100 | Mar 11, 2019 |
| Sundown Slaughter Unit #1121 | Bce-Mach III LLC | Active | Other | 208K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| Southeast Levelland Unit #137W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 208K | 1,000 | 4,785–4,997 | Mar 4, 1991 |
| Central Levelland Unit #91W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 208K | 1,000 | 4,550–5,000 | May 20, 1991 |
| Sundown Unit #86 | Hilcorp Engy Co | Active | Enhanced recovery | 207K | 3,000 | 4,800–5,200 | Dec 21, 2001 |
| Slaughter, Alex #20 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 207K | 1,600 | 4,900–5,040 | May 14, 1993 |
| Slaughter Estate Unit #39 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 207K | 5,000 | 4,700–5,200 | Sep 22, 2003 |
| Levelland Unit #C 3 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 206K | 5,000 | 4,550–5,100 | Aug 8, 2003 |
| Levelland Unit #C 12 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 206K | 5,000 | 4,550–5,100 | Aug 8, 2003 |
| D-L-S (San Andres) Unit #412 | Burk Royalty Co., Ltd | Active | Enhanced recovery | 206K | 350 | 5,130–5,195 | Jun 11, 2020 |
| Slaughter Estate Unit #18 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 205K | 5,000 | 4,600–5,200 | Aug 21, 2003 |
| Coble "A" #6W | Aviator Engy, LLC | Active | Enhanced recovery | 205K | 800 | 4,766–4,895 | Nov 13, 2009 |
| Sundown Slaughter Unit #1134 | Bce-Mach III LLC | Active | Enhanced recovery | 205K | 2,200 | 4,550–5,200 | Sep 15, 2014 |
| Coble "A" #21 | Aviator Engy, LLC | Active | Enhanced recovery | 202K | 800 | 4,780–4,906 | Nov 13, 2009 |
| Smyer, East /Clearfork/ Unit #53W | Momentum Oper Co., Inc | Active | Enhanced recovery | 202K | 306 | 5,851–5,926 | Feb 12, 1985 |
| Levelland Unit #220W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 202K | 5,000 | 4,550–5,100 | Dec 2, 2003 |
| Sundown Slaughter Unit #1171 | Bce-Mach III LLC | Active | Other | 201K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| Sundown Slaughter Unit #9005 | Bce-Mach III LLC | Active | Other | 201K | 2,200 | 4,730–5,200 | Mar 7, 2023 |
| Frazier, W. G. #1W | Hilcorp Engy Co | Active | Enhanced recovery | 200K | 5,039 | 7,200–8,100 | Sep 25, 2002 |
| Sundown Slaughter Unit #1175 | Bce-Mach III LLC | Active | Enhanced recovery | 200K | 2,200 | 4,600–5,200 | Sep 30, 2024 |
| Levelland Unit #359W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 200K | 1,000 | 4,808–4,900 | Apr 3, 1967 |
| Frazier, W. G. #9 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 200K | 5,000 | 4,500–5,100 | Apr 15, 2003 |
| Frazier, W. G. #135 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 200K | 5,000 | 4,800–5,100 | Sep 30, 2004 |
| Central Levelland Unit #192W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 200K | 1,000 | 4,550–5,000 | May 20, 1991 |
| Gann, L. D. #15W | Aviator Engy, LLC | Active | Other | 200K | 500 | 4,802–4,928 | — |
| Levelland Unit #1207WD | Occidental Permian EOR, LLC | Active | Enhanced recovery | 199K | 20,000 | 4,550–11,630 | May 1, 2019 |
| Levelland Unit #C 1 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 199K | 5,000 | 4,550–5,100 | Aug 5, 2003 |
| West RKM Unit #141 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 199K | 5,000 | 4,600–5,200 | Oct 30, 2006 |
| Levelland Unit #7 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 198K | 5,000 | 4,550–5,100 | Jul 18, 2003 |
| Givan, Frank E. #4 | Hilcorp Engy Co | Active | Enhanced recovery | 197K | 5,000 | 4,800–5,200 | Jan 7, 2003 |
| Slaughter Estate Unit #325 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 197K | 5,000 | 4,600–5,200 | Aug 21, 2003 |
| Ropes Canyon Reef Unit #1010D | Saddle Rim Engy (Texas), LLC | Active | Disposal | 197K | 15,000 | 9,800–11,500 | Jun 2, 2009 |
| Levelland Unit #44W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 196K | 5,000 | 4,450–5,100 | Dec 19, 2005 |
| West Sundown Unit #216 | OXY USA EOR, LLC | Active | Enhanced recovery | 196K | 5,200 | 4,600–5,600 | Dec 15, 2017 |
| Newsom, C. V. #8W | Hilcorp Engy Co | Active | Enhanced recovery | 196K | 1,000 | 4,728–4,920 | Oct 2, 1990 |
| Sundown Slaughter Unit #1128 | Bce-Mach III LLC | Active | Enhanced recovery | 196K | 1,200 | 4,800–5,100 | Aug 22, 1991 |
| Levelland Unit #340W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 196K | 5,100 | 4,400–5,100 | Apr 19, 2018 |
| Central Levelland Unit #40W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 195K | 1,000 | 4,550–5,000 | May 20, 1991 |
| Levelland Unit #309W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 195K | 1,800 | 4,550–5,100 | Nov 14, 2000 |
| Sundown Slaughter Unit #1289 | Bce-Mach III LLC | Active | Enhanced recovery | 195K | 2,200 | 4,700–5,200 | May 31, 1995 |
| Levelland Unit #C 20 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 195K | 1,800 | 4,550–5,100 | Nov 14, 2000 |
| Sundown Slaughter Unit #1003 | Bce-Mach III LLC | Active | Enhanced recovery | 193K | 2,200 | 4,676–5,200 | Jan 12, 1993 |
| Central Levelland Unit #228W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 193K | 800 | 4,685–5,000 | Feb 20, 1987 |
| Levelland Unit #669W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 193K | 5,000 | 4,550–5,100 | Aug 8, 2003 |
| Frazier, W. G. #31 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 192K | 5,000 | 4,800–5,100 | Oct 8, 2003 |
| Sundown Slaughter Unit #1271 | Bce-Mach III LLC | Active | Enhanced recovery | 191K | 2,200 | 4,800–5,200 | Jan 13, 1995 |
| Levelland Unit #128W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 191K | 5,000 | 4,550–5,100 | Aug 8, 2003 |
| Levelland Unit #396 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 190K | 1,200 | 4,740–5,000 | Mar 10, 1994 |
| Sundown Slaughter Unit #1305 | Bce-Mach III LLC | Active | Enhanced recovery | 190K | 1,200 | 4,800–5,100 | Jul 8, 1992 |
| Northeast Levelland Unit #17W | Hilcorp Engy Co | Active | Enhanced recovery | 189K | 1,000 | 4,500–5,100 | Sep 24, 1998 |
| Levelland Unit #127W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 189K | 5,000 | 4,550–5,100 | Mar 10, 2005 |
| Slaughter Estate Unit #255 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 189K | 5,000 | 4,800–5,200 | Aug 21, 2003 |
| Southeast Levelland Unit #34W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 189K | 5,150 | 4,500–5,100 | Apr 10, 2018 |
| Levelland Unit #969 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 189K | 5,000 | 4,550–5,100 | Mar 10, 2005 |
| Slaughter Estate Unit #286 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 188K | 5,000 | 4,800–5,200 | Sep 22, 2003 |
| Roberts #5W | Three Span Oil & Gas, Inc | Active | Enhanced recovery | 188K | 1,000 | 4,744–4,783 | Apr 24, 2009 |
| West RKM Unit #67W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 187K | 5,000 | 4,700–5,100 | Apr 6, 2004 |
| Levelland Unit #30 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 187K | 5,070 | 4,200–5,100 | Oct 8, 2021 |
| Levelland Unit #46W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 186K | 1,800 | 4,550–5,100 | Nov 14, 2000 |
| Sundown Slaughter Unit #1284 | Bce-Mach III LLC | Active | Enhanced recovery | 186K | 1,200 | 4,800–5,100 | Oct 12, 1990 |
| Slaughter Estate Unit #320 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 186K | 5,000 | 4,600–5,200 | Oct 7, 2003 |
| Levelland Unit #968 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 185K | 5,100 | 4,400–5,100 | Apr 19, 2018 |
| Frazier, W. G. #89 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 185K | 5,000 | 4,700–5,100 | May 2, 2003 |
| May-Montgomery Unit #9W | Hilcorp Engy Co | Active | Enhanced recovery | 185K | 1,200 | 4,766–4,916 | Apr 13, 1999 |
| Sundown Slaughter Unit #3006 | Bce-Mach III LLC | Active | Enhanced recovery | 184K | 2,200 | 4,800–5,200 | Mar 31, 1992 |
| West RKM Unit #143 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 184K | 5,000 | 4,600–5,200 | Oct 30, 2006 |
| Levelland Unit #319W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 183K | 1,000 | 4,765–4,906 | Jun 16, 1970 |
| May-Montgomery Unit #24 | Hilcorp Engy Co | Active | Enhanced recovery | 183K | 5,000 | 4,500–5,200 | Dec 6, 2021 |
| Levelland Unit #88W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 183K | 5,000 | 4,550–5,100 | Dec 19, 2005 |
| Central Levelland Unit #210W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 183K | 800 | 4,650–4,953 | Nov 5, 1987 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Jun 5, 2026 | 916133 | Beryl Oil and Gas, LP | Pink Houses SWD #1 21937580 |
| Jul 16, 2024 | 901169 | Beryl Oil and Gas, LP | Heffington SWD #1 21937534 |
| Aug 7, 2020 | 864555 | Cambrian Management, Ltd. | Lou Brock SWD #1 21934448 |
| Dec 17, 2018 | 847898 | Pate Trucking Co., LLC | Screaming Eagle SWD #1 21937467 |
| Dec 17, 2018 | 847898 | Lone Tree Enviro Systems LLC | Screaming Eagle SWD #1 21937467 |
| Feb 10, 2017 | 822727 | Eagle Oil & Gas Co. | Angus SWD 48 #1 21937414 |
| Feb 10, 2017 | 822727 | Eagle Oil & Gas Co. | Angus 53 SWD #1 21937414 |
| Aug 26, 2015 | 809692 | Silver Creek Oil & Gas, LLC | Deloache SWD #1 21937356 |
| Sep 25, 2000 | 499966 | Landreth, Robert E. | Clearfork SWD #1 21936547 |
| Jan 17, 1984 | 227279 | Tamarack Petroleum Company, Inc. | Wilke SWD #1 21933603 |
About this data
RRC UIC well master and H-10 injection reports, settled through Jun 2025; TexNet daily injection for the last settled month; disposal permit tags from Petrora's sector classifier.
Developers: this page as JSON is GET /v1/data/water/tx/hockley, documented in the API reference.