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 12 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 |
|---|---|---|---|---|---|---|---|
| Polvado, R. L. #8 | Gruy Petroleum Management Co. | Canceled | Disposal | — | 1,500 | 4,750–5,050 | Feb 23, 1998 |
| Polvado, R. L. #10 | Gruy Petroleum Management Co. | Canceled | Disposal | — | 1,500 | 4,750–5,050 | Feb 23, 1998 |
| Polvado, R. L. #11 | Gruy Petroleum Management Co. | Canceled | Disposal | — | 1,500 | 4,750–5,050 | Feb 23, 1998 |
| Roulain, L.S. #3 | Gruy Petroleum Management Co. | Canceled | Disposal | — | 1,500 | 4,750–5,050 | Feb 23, 1998 |
| Igoe-Smith Oper. Area #105 | Occidental Permian EOR, LLC | Inactive | Enhanced recovery | — | 1,500 | 4,800–5,200 | May 26, 1998 |
| Slaughter Estate I #1 | C & S Operating | Canceled | Disposal | — | 1,500 | 4,814–4,840 | Dec 13, 2004 |
| Masten #602 | Bridwell Oil Co. | Inactive | Enhanced recovery | — | 1,500 | 4,750–4,920 | Dec 20, 2022 |
| Mallet Land & Cattle Co. "F" #3W | Texaco E & P Inc. | Canceled | Enhanced recovery | — | 1,200 | 4,800–5,200 | Jan 16, 1991 |
| Seaboard - Wright #15 | Atapco | Canceled | Enhanced recovery | — | 1,200 | 4,694–4,762 | Apr 8, 1987 |
| Morton Unit #0502W | A.C.T. Operating Company | Plugged | Enhanced recovery | — | 1,200 | 4,708–4,868 | Oct 12, 1990 |
| South Mallet Unit #345 | Winn Operating, LLC | Inactive | Enhanced recovery | — | 1,200 | 4,800–5,200 | Feb 21, 2006 |
| South Mallet Unit #347 | Winn Operating, LLC | Inactive | Enhanced recovery | — | 1,200 | 4,800–5,200 | Feb 21, 2006 |
| West Levelland Unit #100W | Apache Corporation | Plugged | Enhanced recovery | — | 1,050 | 4,363–4,900 | Feb 9, 2019 |
| Dean, C. S. "A" #144W | Apache Corporation | Plugged | Enhanced recovery | — | 1,035 | 4,255–5,200 | Jan 20, 2019 |
| Buckshot Unit #90W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,934–5,064 | Apr 13, 1967 |
| Buckshot Unit #130W | Cimarron Exploration Company (A) | Plugged | Enhanced recovery | — | 1,000 | 4,945–5,060 | Apr 13, 1967 |
| Buckshot Unit #132W | Hunt Cimarron Ltd. Partnership | Plugged | Enhanced recovery | — | 1,000 | 4,972–5,084 | Apr 13, 1967 |
| Frost #168W | United Oil & Minerals, Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,946–5,057 | Apr 13, 1967 |
| Buckshot Unit #174W | United Oil & Minerals, Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,986–5,103 | Apr 13, 1967 |
| Frost #189W | Cimarron Exploration Company (A) | Plugged | Enhanced recovery | — | 1,000 | 4,965–5,084 | Apr 13, 1967 |
| Buckshot Unit #244W | Santa FE Exploration Company | Canceled | Enhanced recovery | — | 1,000 | 4,921–5,033 | Dec 11, 1967 |
| Frost #246W | United Oil & Minerals, Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,944–5,050 | Apr 13, 1967 |
| Frost #263W | Hunt Cimarron Ltd. Partnership | Plugged | Enhanced recovery | — | 1,000 | 4,911–5,024 | Apr 13, 1967 |
| Frost #284W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,915–5,030 | Apr 13, 1967 |
| Frost #286W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,952–5,065 | Apr 13, 1967 |
| Buckshot Unit #12W | Santa FE Exploration Company | Canceled | Enhanced recovery | — | 1,000 | 4,950–5,040 | Oct 5, 1967 |
| Buckshot Unit #13W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,944–5,055 | Apr 13, 1967 |
| Buckshot Unit #34W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,966–5,064 | Apr 13, 1967 |
| Buckshot Unit #94W | Hunt Cimarron Ltd. Partnership | Plugged | Enhanced recovery | — | 1,000 | 4,982–5,092 | Apr 13, 1967 |
| Buckshot Unit #98W | Santa FE Exploration Company | Canceled | Enhanced recovery | — | 1,000 | — | Apr 13, 1967 |
| Buckshot Unit #105W | Hunt Cimarron Ltd. Partnership | Plugged | Enhanced recovery | — | 1,000 | 4,939–5,050 | Apr 13, 1987 |
| Frost #126W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,944–5,049 | Apr 13, 1967 |
| Buckshot Unit #216W | Santa FE Exploration Company | Plugged | Enhanced recovery | — | 1,000 | 4,987–5,036 | Apr 13, 1987 |
| Buckshot Unit #288W | Santa FE Exploration Company | Plugged | Enhanced recovery | — | 1,000 | 4,977–5,087 | Apr 13, 1967 |
| Buckshot East #427W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,940–5,054 | Apr 13, 1967 |
| Buckshot East #429W | Cimarron Exploration Company (A) | Canceled | Enhanced recovery | — | 1,000 | 4,964–5,076 | Apr 13, 1967 |
| Frost, J. W. #3 | Turrentine Oil and Gas, Inc. | Canceled | Disposal | — | 1,000 | 2,120–2,850 | Jun 22, 1984 |
| Buckshot Unit #176 | Santa FE Exploration Company | Plugged | Enhanced recovery | — | 1,000 | 4,991–5,109 | Apr 13, 1967 |
| Southwest Levelland Unit #40W | Apache Corporation | Plugged | Disposal | — | 1,000 | 4,500–5,004 | Jul 25, 2012 |
| North Central Levelland Unit #26W | Apache Corporation | Plugged | Enhanced recovery | — | 1,000 | 4,785–4,832 | Jan 16, 1996 |
| North Central Levelland Unit #55W | Mobil Producing TX. & N.M. Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,801–4,838 | Jan 16, 1996 |
| North Central Levelland Unit #86W | Apache Corporation | Plugged | Enhanced recovery | — | 1,000 | 4,797–4,845 | Jan 16, 1996 |
| North Central Levelland Unit #96W | Mobil Producing TX. & N.M. Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,630–4,840 | Jan 16, 1996 |
| North Central Levelland Unit #179W | Apache Corporation | Plugged | Enhanced recovery | — | 1,000 | 4,560–5,000 | May 18, 2001 |
| North Central Levelland Unit #187W | Mobil Producing TX. & N.M. Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,819–4,882 | Mar 28, 1996 |
| North Central Levelland Unit #220W | Mobil Producing TX. & N.M. Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,840–4,858 | Oct 24, 1996 |
| North Central Levelland Unit #233W | Apache Corporation | Plugged | Enhanced recovery | — | 1,000 | 4,808–4,839 | Mar 28, 1996 |
| Boyd Mallet Unit #42W | Mobil Producing TX. & N.M. Inc. | Plugged | Enhanced recovery | — | 1,000 | 4,969–5,049 | Nov 13, 1963 |
| Dean Unit "B" #2W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 4,994–5,036 | Jan 14, 1965 |
| Dean Unit "B" #8W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 4,997–5,026 | Jan 14, 1965 |
| Dean Unit "B" #51W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,049–5,063 | Jan 14, 1965 |
| Dean Unit "B" #60W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,056–5,070 | Jan 14, 1965 |
| Dean Unit "B" #71W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,037–5,048 | Jan 14, 1965 |
| Dean Unit "B" #77W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,046–5,060 | Jan 14, 1965 |
| Dean Unit "B" #85W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,047–5,061 | Jan 14, 1965 |
| Dean Unit "B" #89W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,051–5,065 | Jan 14, 1965 |
| Dean Unit "B" #91W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,059–5,069 | Jan 14, 1965 |
| Dean Unit "B" #95W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,050–5,062 | Jan 14, 1965 |
| Dean Unit "B" #103W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,058–5,070 | Jan 14, 1965 |
| Dean Unit "B" #113W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 540–50,640 | Jan 14, 1965 |
| Dean Unit "B" #122W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,062–5,078 | Jan 14, 1965 |
| Dean Unit "B" #138W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,066–5,074 | Jan 14, 1965 |
| Dean Unit "B" #142W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,000 | 5,083–5,092 | Jan 14, 1965 |
| Dean Unit #1W | Reef Exploration, L.P. | Plugged | Enhanced recovery | — | 1,000 | 4,993–5,104 | Dec 20, 2005 |
| Boyd #28W | OXY USA WTP LP | Plugged | Enhanced recovery | — | 1,000 | 4,780–5,250 | Aug 16, 2001 |
| Boyd #53W | Anadarko Petroleum Corporation | Canceled | Enhanced recovery | — | 1,000 | 4,780–5,250 | Aug 16, 2001 |
| Conoco-Dean Unit #1W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,956–5,054 | Dec 4, 1987 |
| Conoco-Dean Unit #4W | Merit Energy Company | Canceled | Disposal | — | 1,000 | 4,918–4,972 | Dec 4, 1987 |
| Conoco-Dean Unit #7W | Legacy Reserves Operating LP | Plugged | Enhanced recovery | — | 1,000 | 4,877–5,004 | Apr 24, 1996 |
| Conoco-Dean Unit #8W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,954–5,047 | Dec 4, 1987 |
| Conoco-Dean Unit #12W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 5,004–5,020 | Dec 4, 1987 |
| Conoco-Dean Unit #18W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,930–4,996 | Dec 4, 1987 |
| Conoco-Dean Unit #22W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,957–5,000 | Dec 4, 1987 |
| Conoco-Dean Unit #26W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,954–5,072 | Dec 4, 1987 |
| Conoco-Dean Unit #28W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,998–5,075 | Dec 4, 1987 |
| Conoco-Dean Unit #30W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 5,000–5,040 | Dec 4, 1987 |
| Conoco-Dean Unit #32W | Extex Operating Company | Plugged | Disposal | — | 1,000 | 4,970–5,108 | Dec 4, 1987 |
| Conoco-Dean Unit #35W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,991–5,048 | Dec 4, 1987 |
| Conoco-Dean Unit #39W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,960–5,060 | Dec 4, 1987 |
| Conoco-Dean Unit #41W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,922–4,982 | Dec 4, 1987 |
| Conoco-Dean Unit #43W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,967–5,058 | Dec 4, 1987 |
| Conoco-Dean Unit #51W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,993–5,094 | Dec 4, 1987 |
| Conoco-Dean Unit #56W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 5,003–5,040 | Dec 4, 1987 |
| Conoco-Dean Unit #59W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,998–5,070 | Dec 4, 1987 |
| Conoco-Dean Unit #63W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,963–5,032 | Dec 4, 1987 |
| Conoco-Dean Unit #67W | Merit Energy Company | Canceled | Disposal | — | 1,000 | 4,994–5,064 | Dec 4, 1987 |
| Conoco-Dean Unit #69W | Legacy Reserves Operating LP | Plugged | Disposal | — | 1,000 | 4,980–5,123 | Dec 4, 1987 |
| Conoco-Dean Unit #82W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 5,005–5,063 | Dec 4, 1987 |
| Conoco-Dean Unit #84W | Permian Resources, Inc. | Canceled | Disposal | — | 1,000 | 4,985–5,033 | Dec 4, 1987 |
| Conoco-Dean Unit #89W | Conoco Inc. | Canceled | Disposal | — | 1,000 | 4,949–5,016 | Dec 4, 1987 |
| Conoco-Dean Unit #107W | Legacy Reserves Operating LP | Plugged | Enhanced recovery | — | 1,000 | 4,948–5,026 | Apr 24, 1996 |
| Dean, C. S. "A" #101W | Apache Corporation | Plugged | Enhanced recovery | — | 1,000 | 4,950–5,064 | — |
| Dean, C. S. "A" #115W | Texaco Producing Inc. | Plugged | Enhanced recovery | — | 1,000 | 4,922–5,023 | Nov 12, 1965 |
| Dean, C. S. "A" #169W | Texaco Producing Inc. | Canceled | Enhanced recovery | — | 1,000 | 4,978–5,081 | Sep 1, 1967 |
| Duggan Slaughter Unit #17AW | Cross Timbers Energy, LLC | Plugged | Enhanced recovery | — | 1,000 | 5,057–5,084 | May 31, 1995 |
| Duggan Slaughter Unit #34BW | Pennzoil Exploration & Prod. Co. | Canceled | Enhanced recovery | — | 1,000 | 5,016–5,040 | Jul 16, 1996 |
| Duggan Slaughter Unit #61AW | Cross Timbers Energy, LLC | Plugged | Enhanced recovery | — | 1,000 | 4,948–5,035 | Jul 16, 1996 |
| Duggan Slaughter Unit #61BW | Pennzoil Exploration & Prod. Co. | Canceled | Enhanced recovery | — | 1,000 | 5,037–5,082 | Jul 16, 1996 |
| Duggan Slaughter Unit #87AW | Merit Energy Company | Canceled | Enhanced recovery | — | 1,000 | 5,068–5,084 | Apr 28, 1995 |
| Duggan Slaughter Unit #151BW | Cross Timbers Energy, LLC | Plugged | Enhanced recovery | — | 1,000 | 5,004–5,104 | May 31, 1995 |
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.