Produced water and disposal in Cochran 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 →
Cochran County has 954 active injection and disposal wells, 50 of them permitted for disposal, with 1.2 million barrels a day of permitted capacity.
Operators reported 30 million barrels injected on H-10 filings in the twelve months to September 2025, down 12% on the year before, about 7% of what the permits allow.
Hilcorp Energy Company is the largest injector in the county, with 8.2 million barrels reported across 305 active wells.
- 954
- active injection wells, 50 for disposal
- 1.25M
- bbl/d permitted capacity
- 30.1M
- bbl reported, H-10 year to Sep 2025 -12%
- 7%
- of permitted capacity used
- 2,112
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO SEP 2025
Last 12 months 30,096,986 · prior 12 34,381,622(-12%)
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 |
|---|---|---|---|
| Hilcorp Energy Company | 8.24M | 305 | 514K |
| Manzano, LLC | 4.45M | 2 | 48K |
| Aviator Energy, LLC | 3.66M | 86 | 60.3K |
| Double Barrel Oil LLC | 2.21M | 53 | 25.9K |
| Walkabout Operating, LLC | 1.49M | 15 | 19K |
| Kimbell Operating Company | 1.46M | 25 | 15.1K |
| R2Q Operating LLC | 1.31M | 58 | 42.4K |
| Ctoc Energy, LLC | 1.31M | 89 | 78.3K |
| A.C.T. Operating Company | 1.02M | 39 | 23.4K |
| Occidental Permian EOR, LLC | 869K | 31 | 137K |
| Extex Operating Company | 643K | 61 | 38.2K |
| Burk Royalty Co., Ltd. | 571K | 1 | 25K |
| Three Span Oil & Gas, Inc. | 482K | 6 | 6K |
| Vision Oil and Gas LLC | 429K | 89 | 59.9K |
| Momentum Operating Co., Inc. | 343K | 4 | 3.6K |
| Prasad, Hari Production Co. | 338K | 10 | 5.4K |
| Winn Operating, LLC | 262K | 14 | 16.8K |
| Hunt Cimarron Ltd. Partnership | 248K | 15 | 15K |
| Delray Oil, Inc. | 220K | 3 | 45K |
| Joplin Oil Co., Inc. | 119K | 13 | 5.2K |
Injection permits
2,112 UIC PERMITS · 954 ACTIVE · PAGE 10 OF 22
Active permits first, by reported volume, then canceled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| Masten, F. O. "D" #13 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Masten, F. O. "D" #14 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Masten, F. O "H" #12 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Masten, F. O "H" #13 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Stanton, Joe L. Trustee #36 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Stanton, Joe L. Trustee #2 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Stanton, Joe L. Trustee #43 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Stanton, Joe L. Trustee #10 X | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Stanton, Joe L. Trustee #44 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | Jul 8, 1993 |
| Masten "C" #6 | R2Q Operating LLC | Active | Enhanced recovery | — | 300 | 4,800–5,200 | May 22, 1997 |
| Blake, W. R #18 | Aviator Energy, LLC | Active | Enhanced recovery | — | 300 | 5,034–5,064 | Jul 1, 2004 |
| Blake, W. R #19 | Aviator Energy, LLC | Active | Enhanced recovery | — | 300 | 5,024–5,052 | Jul 1, 2004 |
| Blake, W. R #24 | Aviator Energy, LLC | Active | Enhanced recovery | — | 300 | 5,050–5,076 | Jul 1, 2004 |
| Whiteface Unit #31W | Double Barrel Oil LLC | Active | Enhanced recovery | — | 250 | 4,884–4,906 | May 21, 1999 |
| Whiteface Unit #71W | Double Barrel Oil LLC | Active | Enhanced recovery | — | 250 | 4,911–4,965 | May 21, 1999 |
| Southwest Levelland Unit #11W | Hilcorp Energy Company | Active | Enhanced recovery | — | 250 | 4,900–5,000 | Jun 7, 1971 |
| Southwest Levelland Unit #49W | Hilcorp Energy Company | Active | Enhanced recovery | — | 250 | 4,890–5,020 | Oct 15, 2019 |
| West Levelland Unit #95W | Hilcorp Energy Company | Active | Enhanced recovery | — | 250 | 4,780–4,905 | Aug 13, 1986 |
| West Levelland Unit #135W | Hilcorp Energy Company | Active | Enhanced recovery | — | 250 | 4,782–4,908 | Jun 19, 1990 |
| Morton Unit #0605W | A.C.T. Operating Company | Active | Disposal | — | 250 | 4,821–4,857 | Jul 17, 1984 |
| Starnes Unit #1707 | Aviator Energy, LLC | Active | Enhanced recovery | — | 250 | 4,948–5,035 | Jun 11, 2004 |
| Starnes Unit #1709 | Aviator Energy, LLC | Active | Enhanced recovery | — | 250 | 4,955–5,033 | Jun 11, 2004 |
| Starnes Unit #1103 | Aviator Energy, LLC | Active | Enhanced recovery | — | 250 | 4,940–5,017 | Jun 11, 2004 |
| Starnes Unit #1105 | Aviator Energy, LLC | Active | Enhanced recovery | — | 250 | 4,945–5,027 | Jun 11, 2004 |
| Starnes Unit #504W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 4,988–5,030 | Apr 17, 2007 |
| Starnes Unit #506W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,015–5,065 | Apr 17, 2007 |
| Starnes Unit #512W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 4,927–5,074 | Apr 17, 2007 |
| Starnes Unit #516W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,018–5,060 | Apr 17, 2007 |
| Starnes Unit #1102W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,000–5,045 | Apr 17, 2007 |
| Starnes Unit #1106W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 4,988–5,018 | Apr 17, 2007 |
| Starnes Unit #1114W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,015–5,043 | Apr 17, 2007 |
| Starnes Unit #1116W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 4,999–5,040 | Sep 20, 2022 |
| Starnes Unit #1604W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,007–5,045 | Apr 17, 2007 |
| Starnes Unit #1714W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,008–5,043 | Apr 17, 2007 |
| Starnes Unit #2206W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,043–5,064 | Apr 17, 2007 |
| Starnes Unit #2312W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,022–5,060 | Apr 17, 2007 |
| Starnes Unit #2802W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,026–5,080 | Apr 17, 2007 |
| Dean Unit "B" #62W | Vision Oil and Gas LLC | Active | Enhanced recovery | — | 200 | 5,059–5,069 | Nov 19, 1996 |
| League 91 Project #4013 | Vision Oil and Gas LLC | Active | Enhanced recovery | — | 200 | 5,070–5,100 | Aug 26, 1991 |
| Starnes Unit #1006W | Aviator Energy, LLC | Active | Enhanced recovery | — | 200 | 5,037–5,073 | Apr 17, 2007 |
| West Levelland Unit #28W | Hilcorp Energy Company | Active | Enhanced recovery | — | 175 | 4,844–4,891 | Aug 13, 1986 |
| Duggan Slaughter Unit #491BW | Ctoc Energy, LLC | Active | Enhanced recovery | — | — | — | Apr 4, 1963 |
| Southwest Levelland Unit #89 | Hilcorp Energy Company | Active | Enhanced recovery | — | — | — | Apr 12, 1985 |
| North-Wright #E 3 | Walkabout Operating, LLC | Active | Enhanced recovery | — | — | 4,845–4,893 | May 16, 1968 |
| Wright Unit #720AW | Extex Operating Company | Active | Enhanced recovery | — | — | 4,900 | Aug 9, 1984 |
| Duggan Slaughter Unit #192BW | Ctoc Energy, LLC | Active | Enhanced recovery | — | — | 5,044 | Aug 15, 1985 |
| Wright, J.M. Unit #45 | A.C.T. Operating Company | Active | Enhanced recovery | — | — | — | Jul 31, 2012 |
| Walker Oil Unit "C" #1W | Los Hijos de Sanchez J LLC | Active | Disposal | — | 10,000 | 4,673–11,900 | Jul 20, 2009 |
| Walker #1 | Los Hijos de Sanchez J LLC | Active | Enhanced recovery | — | 10,000 | 5,213–11,935 | Mar 29, 2010 |
| Dean, C. S. "K" #7W | Blackrock Operating, LLC | Active | Enhanced recovery | — | 2,000 | 4,892–5,064 | Sep 21, 2026 |
| Conoco-Dean Unit #20 | R2Q Operating LLC | Active | Disposal | — | 1,000 | 4,921–4,995 | Dec 4, 1987 |
| Conoco-Dean Unit #24 | R2Q Operating LLC | Active | Disposal | — | 1,000 | 4,930–4,992 | Dec 4, 1987 |
| Duggan Slaughter Unit #608NW | Ctoc Energy, LLC | Active | Disposal | — | 1,000 | 5,000–5,050 | Aug 16, 1996 |
| Masten, F. O. #67R | Vision Oil and Gas LLC | Active | Enhanced recovery | — | 500 | 4,990–5,082 | Nov 20, 1985 |
| Mallet Unit #1104R | Hilcorp Energy Company | Canceled | Enhanced recovery | 53K | 2,500 | 4,400–5,064 | Jun 30, 2010 |
| Mallet Unit #176W | Hilcorp Energy Company | Canceled | Enhanced recovery | 38.3K | 2,000 | 4,400–5,415 | Dec 31, 1999 |
| Dean, C. S. "A" #260W | Hilcorp Energy Company | Canceled | Enhanced recovery | 15.8K | 500 | 4,966–5,060 | Jun 29, 2011 |
| Starnes Unit #1710W | Aviator Energy, LLC | Canceled | Enhanced recovery | 10.3K | 200 | 5,016–5,031 | Apr 17, 2007 |
| Duggan Slaughter Unit #781AW | Cross Timbers Energy, LLC | Plugged | Enhanced recovery | 9.84K | 1,000 | 5,000–5,050 | Aug 16, 1996 |
| North Central Levelland Unit #360 | Hilcorp Energy Company | Canceled | Enhanced recovery | 7.1K | 500 | 4,814–4,855 | Mar 22, 1982 |
| West Levelland Unit #26W | Hilcorp Energy Company | Canceled | Enhanced recovery | 319 | 175 | 4,828–4,889 | Aug 13, 1986 |
| Magnum Levelland Unit #406 | New Horizon Resources LLC | Canceled | Disposal | 299 | 1,500 | 4,750–5,050 | Oct 31, 1997 |
| Sherman SWD #1 | Manzano, LLC | Inactive | Disposal | — | 20,000 | 5,280–11,400 | Dec 18, 2023 |
| Igoe-Smith Oper. Area #19W | Occidental Permian Ltd. | Canceled | Enhanced recovery | — | 5,150 | 4,700–5,400 | Sep 5, 2017 |
| Bonanza (San Andres) Unit #1303 | Manzano, LLC | Canceled | Enhanced recovery | — | 1,500 | 4,764–4,960 | Mar 9, 1990 |
| Conoco-Dean Unit #110W | Extex Operating Company | Plugged | Enhanced recovery | — | 1,000 | 4,950–5,000 | Apr 24, 1996 |
| Duggan Slaughter Unit #21BW | Cross Timbers Energy, LLC | Canceled | Enhanced recovery | — | 1,000 | 5,034–5,077 | Jul 16, 1996 |
| Duggan Slaughter Unit #77AW | Cross Timbers Energy, LLC | Canceled | Enhanced recovery | — | 1,000 | 5,073–5,086 | Aug 2, 2022 |
| Duggan Slaughter Unit #127AW | Cross Timbers Energy, LLC | Canceled | Enhanced recovery | — | 1,000 | 5,041–5,076 | Jul 16, 1996 |
| Duggan Slaughter Unit #321BW | Ctoc Energy, LLC | Canceled | Enhanced recovery | — | 1,000 | 5,002–5,054 | Feb 15, 2024 |
| Duggan Slaughter Unit #521AW | Cross Timbers Energy, LLC | Plugged | Enhanced recovery | — | 1,000 | 4,971–5,049 | Jul 16, 1996 |
| Duggan Slaughter Unit #582W | Ctoc Energy, LLC | Canceled | Enhanced recovery | — | 1,000 | 5,044–5,076 | Jul 16, 1996 |
| Dean Unit #C 5W | Royal Oryx OG LLC | Inactive | Enhanced recovery | — | 1,000 | 5,000–5,100 | Oct 22, 2013 |
| Dean Unit #E 5W | Royal Oryx OG LLC | Inactive | Enhanced recovery | — | 1,000 | 5,000–5,100 | Oct 22, 2013 |
| Bonanza (San Andres) Unit #902 | Manzano, LLC | Canceled | Enhanced recovery | — | 600 | 4,722–4,919 | Oct 9, 1995 |
| Buckshot Unit #152W | Hunt Cimarron Ltd. Partnership | Canceled | Enhanced recovery | — | 500 | 4,974–5,010 | Mar 22, 1973 |
| Landon (San Andres) Unit #11W | Prasad, Hari Production Co. | Canceled | Enhanced recovery | — | 500 | 5,025–5,067 | Mar 25, 1968 |
| Southwest Levelland Unit #67W | Hilcorp Energy Company | Canceled | Enhanced recovery | — | 500 | 4,835–5,200 | Jul 21, 1994 |
| Miller-Wright Unit #302W | Kimbell Operating Company | Canceled | Enhanced recovery | — | 500 | 4,750–5,050 | Jan 4, 2011 |
| Veal #27W | New Horizon Resources LLC | Canceled | Enhanced recovery | — | 500 | 4,919–5,020 | — |
| Dean, C. S. "A" #126W | Apache Corporation | Plugged | Enhanced recovery | — | 500 | 4,835–5,200 | Jul 21, 1994 |
| Dean Unit #A 1W | Engas XP, LLC | Plugged | Enhanced recovery | — | 500 | 5,021–5,091 | Mar 11, 1981 |
| Veal #47 | New Horizon Resources LLC | Canceled | Enhanced recovery | — | 500 | 4,854–5,000 | May 2, 2019 |
| Veal #48W | New Horizon Resources LLC | Canceled | Enhanced recovery | — | 500 | 4,860–5,000 | Oct 26, 1992 |
| Dean, C. S. "A" #22X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #26X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #42X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #73X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #80X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #82X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #83X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #86XA | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #89X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #153X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Dean, C. S. "A" #157XA | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Jan 26, 1996 |
| Southwest Levelland Unit #19W | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,835–5,200 | Apr 30, 1996 |
| Southwest Levelland Unit #41W | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,835–5,200 | Apr 30, 1996 |
| Southwest Levelland Unit #1X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,835–5,200 | Apr 30, 1996 |
| Southwest Levelland Unit #27X | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,835–5,200 | Apr 30, 1996 |
| Dean, C. S. "A" #87W | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Feb 25, 1998 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Apr 18, 2022 | 879049 | Silver Creek Permian OP Co, LLC | Sherman SWD #1 07933409 |
| Apr 18, 2022 | 879049 | Manzano, LLC | Sherman SWD #1 07933409 |
| Jun 3, 2021 | 870193 | Silver Creek Permian OP Co, LLC | Virgil SWD #1 07933308 |
| Jul 23, 2019 | 855374 | Silver Creek Permian OP Co, LLC | Sherman SWD #1 07933409 |
| Mar 19, 2019 | 851096 | Silver Creek Permian OP Co, LLC | George Custer SWD #1 07931253 |
| Jan 16, 2019 | 848533 | Silver Creek Permian OP Co, LLC | M H Davis SWD #1 07900809 |
| May 14, 2018 | 839876 | Silver Creek Oil & Gas, LLC | George Custer SWD #1 07931253 |
| Apr 12, 2018 | 838673 | Silver Creek Oil & Gas, LLC | Black Bart SWD #3 07933385 |
| Mar 26, 2018 | 837877 | Mammoth Exploration LLC | Hudson SWD #3 07933381 |
| Mar 6, 2018 | 837092 | Silver Creek Oil & Gas, LLC | Black Bart SWD #1 07933380 |
About this data
RRC UIC well master and H-10 injection reports, settled through Sep 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/cochran, documented in the API reference.