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 1 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 |
|---|---|---|---|---|---|---|---|
| West Sundown Unit #246D | OXY USA EOR, LLC | Active | Disposal | 1.7M | 15,000 | 8,000–12,500 | Jul 26, 2019 |
| Chalk Hills Disposal #505 | Hilcorp Engy Co | Active | Disposal | 1.64M | 15,000 | 8,000–12,500 | Jan 27, 2019 |
| Heffington SWD #1 | Beryl Oil and Gas, LP | Active | Enhanced recovery | 760K | 20,000 | 5,450–10,550 | Nov 26, 2024 |
| Laverne Shaddix #1W | Beryl Oil and Gas, LP | Active | Disposal | 728K | 20,000 | 4,000–5,400 | Jan 30, 2023 |
| West Sundown Unit #045 | OXY USA EOR, LLC | Active | Enhanced recovery | 655K | 1,980 | 4,782–5,085 | Oct 13, 2008 |
| Sundown Slaughter Unit #1009 | Bce-Mach III LLC | Active | Enhanced recovery | 546K | 2,200 | 4,800–5,200 | Aug 6, 1992 |
| Sundown Slaughter Unit #1049 | Bce-Mach III LLC | Active | Enhanced recovery | 545K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| Sundown Slaughter Unit #1135 | Bce-Mach III LLC | Active | Enhanced recovery | 482K | 2,200 | 4,800–5,200 | Nov 28, 2011 |
| Ropes, E. (Clearfork) Unit #300W | New Height Energy, LLC | Active | Enhanced recovery | 474K | 2,000 | 5,950–6,250 | Feb 23, 2015 |
| West Sundown Unit #210 | OXY USA EOR, LLC | Active | Enhanced recovery | 463K | 5,200 | 4,600–5,600 | Dec 15, 2017 |
| Slaughter Estate Unit #248 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 447K | 5,000 | 4,883–5,086 | Apr 26, 2004 |
| Slaughter Estate Unit #234 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 447K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| West Sundown Unit #072 | OXY USA EOR, LLC | Active | Enhanced recovery | 438K | 5,000 | 4,450–5,200 | Apr 21, 2016 |
| West Sundown Unit #120 | OXY USA EOR, LLC | Active | Enhanced recovery | 437K | 5,200 | 4,600–5,600 | Dec 15, 2017 |
| Sundown Slaughter Unit #1002 | Bce-Mach III LLC | Active | Enhanced recovery | 416K | 2,200 | 4,600–5,200 | Sep 15, 2014 |
| Sundown Slaughter Unit #1030 | Bce-Mach III LLC | Active | Other | 415K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| Levelland Unit #357 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 415K | 5,100 | 4,400–5,100 | Apr 19, 2018 |
| Slaughter Estate Unit #236 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 413K | 5,000 | 4,600–5,200 | Oct 7, 2003 |
| Slaughter Estate Unit #31W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 408K | 5,240 | 4,400–5,400 | Jul 22, 2019 |
| Slaughter Estate Unit #115 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 404K | 5,000 | 4,800–5,200 | Aug 21, 2003 |
| West RKM Unit #34 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 402K | 5,000 | 4,600–5,400 | Jun 24, 2011 |
| Slaughter Estate Unit #467 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 401K | 5,000 | 4,800–5,200 | Oct 7, 2003 |
| West Sundown Unit #176 | OXY USA EOR, LLC | Active | Enhanced recovery | 378K | 1,980 | 4,770–5,071 | Aug 29, 2006 |
| Slaughter Estate Unit #235 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 376K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| West Sundown Unit #137 | OXY USA EOR, LLC | Active | Enhanced recovery | 376K | 1,980 | 4,722–5,047 | Aug 29, 2006 |
| West Sundown Unit #117 | OXY USA EOR, LLC | Active | Enhanced recovery | 375K | 5,200 | 4,600–5,600 | Apr 24, 2018 |
| West RKM Unit #30W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 366K | 1,500 | 4,700–5,100 | Jun 24, 1993 |
| Pickard Estate #1 | Westridge Resources, Inc. | Active | Enhanced recovery | 364K | 5,000 | 4,900–9,950 | Apr 3, 2008 |
| Sundown Slaughter Unit #1298 | Bce-Mach III LLC | Active | Enhanced recovery | 352K | 1,200 | 4,500–5,100 | Feb 18, 2014 |
| Slaughter Estate Unit #214 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 351K | 5,000 | 4,700–5,200 | Apr 28, 2003 |
| Slaughter Estate Unit #219 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 350K | 5,000 | 4,600–5,200 | Oct 7, 2003 |
| Slaughter Estate Unit #410 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 350K | 5,000 | 4,600–5,100 | Mar 22, 2002 |
| Slaughter Estate Unit #247 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 339K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| Slaughter Estate Unit #238 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 338K | 5,000 | 4,600–5,200 | Apr 28, 2003 |
| West Sundown Unit #185 | OXY USA EOR, LLC | Active | Enhanced recovery | 337K | 5,200 | 4,585–5,600 | Dec 15, 2017 |
| Slaughter Estate Unit #11W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 336K | 5,240 | 4,400–5,400 | Jul 22, 2019 |
| Coons, W. A. #20W | Hilcorp Engy Co | Active | Enhanced recovery | 333K | 5,000 | 4,220–5,400 | Feb 20, 2018 |
| Sundown Slaughter Unit #1139 | Bce-Mach III LLC | Active | Enhanced recovery | 328K | 2,200 | 4,650–5,200 | Sep 30, 2024 |
| Slaughter Estate Unit #231 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 325K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| Slaughter Estate Unit #25 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 323K | 5,000 | 4,700–5,200 | Oct 7, 2003 |
| West RKM Unit #102W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 322K | 1,000 | 4,870–5,017 | Feb 28, 1966 |
| Frazier, W. G. #55 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 317K | 5,000 | 4,700–5,100 | May 2, 2003 |
| West RKM Unit #86W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 317K | 1,200 | 4,640–5,200 | Jul 25, 2024 |
| Sundown Slaughter Unit #1402W | Bce-Mach III LLC | Active | Enhanced recovery | 317K | 2,200 | 4,700–5,200 | Dec 20, 2022 |
| Sundown Slaughter Unit #8003 | Bce-Mach III LLC | Active | Enhanced recovery | 316K | 2,200 | 4,800–5,200 | Aug 6, 1992 |
| Keene #1W | Lone Tree Enviro Systems LLC | Active | Enhanced recovery | 312K | 5,000 | 7,124–7,535 | May 28, 2014 |
| West Sundown Unit #123 | OXY USA EOR, LLC | Active | Enhanced recovery | 310K | 5,200 | 4,600–5,600 | Dec 15, 2017 |
| Slaughter Estate Unit #14 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 310K | 5,000 | 4,600–5,200 | Aug 21, 2003 |
| Sundown Slaughter Unit #1177 | Bce-Mach III LLC | Active | Enhanced recovery | 306K | 2,200 | 4,800–5,200 | Aug 6, 1992 |
| Slaughter Estate Unit #230 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 301K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| Slaughter Estate Unit #28 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 301K | 5,000 | 4,700–5,200 | Sep 22, 2003 |
| Sundown Slaughter Unit #1119 | Bce-Mach III LLC | Active | Enhanced recovery | 301K | 2,200 | 4,800–5,200 | Mar 31, 1992 |
| Mallet #14W | OXY USA WTP EOR, LLC | Active | Enhanced recovery | 296K | 5,000 | 4,800–5,200 | Jun 13, 2002 |
| West Sundown Unit #193 | OXY USA EOR, LLC | Active | Enhanced recovery | 294K | 5,200 | 4,600–5,600 | Dec 15, 2017 |
| West Sundown Unit #016 | OXY USA EOR, LLC | Active | Enhanced recovery | 293K | 1,980 | 4,760–5,004 | Oct 13, 2008 |
| Slaughter Estate Unit #270 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 287K | 5,000 | 4,600–5,200 | Sep 22, 2003 |
| Slaughter, Alex #14 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 284K | 5,000 | 4,600–5,400 | Jan 27, 2014 |
| Sundown Slaughter Unit #1355 | Bce-Mach III LLC | Active | Enhanced recovery | 284K | 2,200 | 4,800–5,100 | Nov 28, 2011 |
| Sundown Slaughter Unit #1246AH | Bce-Mach III LLC | Active | Enhanced recovery | 283K | 2,200 | 4,700–5,200 | Mar 7, 2013 |
| Southeast Levelland Unit #307W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 282K | 1,000 | 4,715–5,017 | Mar 4, 1991 |
| Sundown Slaughter Unit #1059 | Bce-Mach III LLC | Active | Enhanced recovery | 282K | 2,200 | 4,600–5,200 | Nov 12, 2014 |
| Levelland Unit #57W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 277K | 5,000 | 4,600–5,100 | Dec 21, 2004 |
| Sundown Slaughter Unit #9001 | Bce-Mach III LLC | Active | Enhanced recovery | 274K | 2,200 | 4,400–5,200 | Jan 5, 2015 |
| Coble "A" #9W | Aviator Engy, LLC | Active | Enhanced recovery | 274K | 900 | 4,768–4,904 | Sep 2, 2008 |
| Slaughter Estate Unit #218W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 274K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| West RKM Unit #42W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 272K | 5,000 | 4,600–5,200 | Jun 14, 2004 |
| Levelland Unit #288W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 270K | 1,000 | 4,748–4,912 | Jun 16, 1970 |
| Sundown Slaughter Unit #1025A | Bce-Mach III LLC | Active | Enhanced recovery | 270K | 2,200 | 4,700–5,200 | May 17, 2001 |
| Coons, W. A. #32W | Hilcorp Engy Co | Active | Enhanced recovery | 268K | 1,300 | 4,895–5,070 | Jan 29, 1992 |
| Sundown Slaughter Unit #1022 | Bce-Mach III LLC | Active | Other | 263K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| Sundown Slaughter Unit #1140 | Bce-Mach III LLC | Active | Other | 260K | 2,200 | 4,600–5,200 | Mar 7, 2023 |
| Sundown Slaughter Unit #1129 | Bce-Mach III LLC | Active | Other | 259K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| May-Montgomery Unit #10 | Hilcorp Engy Co | Active | Enhanced recovery | 258K | 1,200 | 4,741–4,904 | Apr 7, 1999 |
| Frazier, W. G. #21 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 256K | 5,000 | 4,700–5,100 | Apr 15, 2003 |
| Coons, W. A. #41 | Hilcorp Engy Co | Active | Enhanced recovery | 253K | 1,300 | 4,600–5,400 | Mar 5, 2004 |
| Ropes, E. (Clearfork) Unit #202 | New Height Energy, LLC | Active | Enhanced recovery | 253K | 2,000 | 6,000–6,290 | Sep 28, 2015 |
| Levelland Unit #83W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 253K | 5,000 | 4,550–5,100 | Aug 5, 2003 |
| Sundown Slaughter Unit #1038 | Bce-Mach III LLC | Active | Enhanced recovery | 253K | 1,200 | 4,800–5,100 | Jul 8, 1992 |
| Frazier, W. G. #59 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 250K | 5,000 | 4,700–5,100 | Oct 8, 2003 |
| Sundown Slaughter Unit #1109 | Bce-Mach III LLC | Active | Other | 249K | 2,200 | 4,800–5,200 | Mar 7, 2023 |
| Slaughter Estate Unit #229 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 248K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| Slaughter Estate Unit #223W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 247K | 5,000 | 4,600–5,200 | Oct 7, 2003 |
| Medarby Unit #20AW | Bce-Mach III LLC | Active | Enhanced recovery | 244K | 2,000 | 4,500–5,000 | Sep 5, 2008 |
| Central Levelland Unit #318 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 243K | 5,000 | 4,550–5,200 | Aug 7, 2006 |
| Frazier, W. G. #138 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 243K | 5,000 | 4,800–5,100 | Sep 30, 2004 |
| Medarby Unit #24W | Bce-Mach III LLC | Active | Enhanced recovery | 242K | 1,250 | 4,500–4,848 | Aug 12, 2014 |
| Sundown Slaughter Unit #1302 | Bce-Mach III LLC | Active | Enhanced recovery | 241K | 2,500 | 4,700–5,100 | Oct 12, 2022 |
| Southeast Levelland Unit #91W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 238K | 1,000 | 4,741–4,990 | Mar 4, 1991 |
| Central Mallet Unit #45W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 238K | 1,890 | 4,944–5,035 | Apr 24, 2001 |
| Coons, W. A. #60W | Hilcorp Engy Co | Active | Enhanced recovery | 238K | 2,000 | 4,600–5,300 | Nov 29, 2000 |
| Slaughter Estate Unit #119 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 238K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
| Frazier, W. G. #134 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 237K | 5,000 | 4,800–5,100 | Sep 30, 2004 |
| West RKM Unit #57W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 236K | 5,000 | 4,700–5,100 | Feb 10, 2011 |
| Levelland Unit #954 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 235K | 1,800 | 4,550–5,100 | Nov 14, 2000 |
| Slaughter Estate Unit #111 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 235K | 5,000 | 4,800–5,200 | Aug 21, 2003 |
| Levelland Unit #111W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 235K | 5,000 | 4,600–5,100 | Dec 2, 2003 |
| Levelland Unit #355W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 234K | 1,000 | 4,710–4,837 | Mar 18, 1964 |
| Levelland Unit #92W | Occidental Permian EOR, LLC | Active | Enhanced recovery | 233K | 5,000 | 4,550–5,100 | Dec 2, 2003 |
| Frazier, W. G. #137 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 233K | 5,000 | 4,800–5,100 | Oct 6, 2004 |
| Slaughter Estate Unit #210 | Occidental Permian EOR, LLC | Active | Enhanced recovery | 232K | 5,000 | 4,700–5,200 | Aug 21, 2003 |
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.