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 11 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 |
|---|---|---|---|---|---|---|---|
| Dean, C. S. "A" #232W | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 500 | 4,850–5,200 | Feb 25, 1998 |
| Southwest Levelland Unit #113W | Apache Corporation | Plugged | Enhanced recovery | — | 500 | 4,800–5,000 | Jun 17, 2003 |
| Wright, J.M. Unit #B 10 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,915–4,970 | May 28, 1991 |
| Wright, J.M. Unit #B 12 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,950–4,975 | May 28, 1991 |
| Wright, J.M. Unit #B 9 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,925–4,970 | May 28, 1991 |
| Wright, J.M. Unit #B 7 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,920–4,984 | May 28, 1991 |
| Wright, J.M. Unit #B 8 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,925–4,980 | May 28, 1991 |
| Wright, J.M. Unit #E 10 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,945–4,980 | May 28, 1991 |
| Wright, J.M. Unit #E 13 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,962–5,008 | May 28, 1991 |
| Wright, J.M. Unit #F 5 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,950–4,985 | May 28, 1991 |
| Wright, J.M. Unit #J 8 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,922–4,975 | May 28, 1991 |
| Wright, J.M. Unit #J 6 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,945–4,980 | May 28, 1991 |
| Wright, J.M. Unit #J 7 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,925–4,980 | May 28, 1991 |
| Wright, J.M. Unit #22 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,800–4,950 | Sep 26, 2001 |
| Wright, J.M. Unit #47 | A.C.T. Operating Company | Inactive | Enhanced recovery | — | 350 | 4,800–5,000 | Nov 3, 2009 |
| West Levelland Unit #144W | Hilcorp Energy Company | Canceled | Enhanced recovery | — | 300 | 4,650–5,000 | Mar 31, 1992 |
| West Levelland Unit #164W | Hilcorp Energy Company | Canceled | Enhanced recovery | — | 300 | 4,650–5,000 | Mar 31, 1992 |
| West Levelland Unit #231 | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 300 | 4,850–4,900 | Sep 23, 1985 |
| West Levelland Unit #8W | Apache Corporation | Plugged | Enhanced recovery | — | 300 | 4,650–5,000 | Jul 2, 1991 |
| West Levelland Unit #12W | Hilcorp Energy Company | Canceled | Enhanced recovery | — | 300 | 4,650–5,000 | Jul 2, 1991 |
| Starnes Unit #1111 | Aviator Energy, LLC | Canceled | Enhanced recovery | — | 250 | 4,968–5,037 | Jun 11, 2004 |
| Starnes Unit #1706X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #1711X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #1712X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #2204X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #2208 | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #2308 | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #2309X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #2310X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #2316X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| Starnes Unit #2808X | Aviator Energy, LLC | Inactive | Enhanced recovery | — | 200 | 4,900–5,100 | Apr 8, 2005 |
| West Levelland Unit #43W | Apache Corporation | Plugged | Enhanced recovery | — | 175 | 4,833–4,905 | Aug 13, 1986 |
| West Levelland Unit #88AW | Hilcorp Energy Company | Canceled | Enhanced recovery | — | 175 | 4,817–4,888 | Nov 21, 2019 |
| Marty Wright SWD #1 | A.C.T. Operating Company | Canceled | Disposal | — | 30,000 | 5,400–11,324 | Jul 27, 2018 |
| Wild Bill SWD #1 | Silver Creek Oil & Gas, LLC | Canceled | Disposal | — | 25,000 | 5,300–7,400 | Oct 20, 2014 |
| Black Bart SWD #1 | Silver Creek Oil & Gas, LLC | Canceled | Disposal | — | 20,000 | 4,930–12,000 | Jul 3, 2018 |
| Curly Bill SWD #1 | Silver Creek Oil & Gas, LLC | Canceled | Disposal | — | 15,000 | 5,150–8,000 | Sep 10, 2015 |
| Doc Holiday #1H | TC Oil and Gas, LLC | Inactive | Disposal | — | 15,000 | 3,650–5,000 | Mar 4, 2016 |
| Reed Estate A #1D | Element Petroleum OP III, LLC | Canceled | Disposal | — | 15,000 | 11,750–12,400 | Mar 20, 2017 |
| Arthur Lease #1 | Southwest Royalties, Inc. | Canceled | Enhanced recovery | — | 12,000 | 5,330–11,969 | Nov 19, 2010 |
| Cassie #1D | Windy Cove Energy II, LLC | Plugged | Disposal | — | 12,000 | 8,350–12,650 | May 5, 2017 |
| Wright Unit #625 | Sun Expl. & Prod. Co.-Midland | Canceled | Enhanced recovery | — | 11,500 | 4,926 | Nov 13, 1972 |
| Wright Unit #626 | Sun Expl. & Prod. Co.-Midland | Canceled | Enhanced recovery | — | 11,500 | 4,950 | Nov 13, 1972 |
| Wright Unit #1029 | Sun Expl. & Prod. Co.-Midland | Plugged | Enhanced recovery | — | 11,500 | 4,926 | Nov 13, 1972 |
| Carrie S. Dean B-89 #1 | Desert Production, Inc. | Plugged | Disposal | — | 10,000 | 5,680–11,938 | Oct 16, 2009 |
| West Levelland Unit #125 | Coline Oil Corp. | Plugged | Enhanced recovery | — | 6,125 | 4,865–4,940 | Dec 7, 1972 |
| Igoe-Smith Oper. Area #31W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 5,150 | 4,700–5,400 | Sep 5, 2017 |
| Igoe-Smith Oper. Area #46W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 5,150 | 4,700–5,400 | Sep 5, 2017 |
| Northwest Mallet Unit #47W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 5,000 | 4,700–5,200 | Jun 9, 2005 |
| Northwest Mallet Unit #77W | Occidental Permian Ltd. | Canceled | Enhanced recovery | — | 5,000 | 4,700–5,200 | Jun 9, 2005 |
| Northwest Mallet Unit #118W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 5,000 | 4,700–5,200 | Apr 24, 2007 |
| Boyd #4W | OXY USA WTP LP | Plugged | Enhanced recovery | — | 5,000 | 4,700–5,200 | Oct 17, 2006 |
| Boyd #9W | OXY USA WTP LP | Plugged | Enhanced recovery | — | 5,000 | 4,700–5,200 | Oct 17, 2006 |
| Dean, Carrie Slaughter "C" #20 | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 5,000 | 4,800–5,200 | Sep 29, 2004 |
| Igoe-Smith Oper. Area #39 | Occidental Permian Ltd. | Canceled | Enhanced recovery | — | 5,000 | 4,800–5,400 | Apr 8, 2002 |
| Igoe-Smith Oper. Area #45 | Occidental Permian Ltd. | Canceled | Enhanced recovery | — | 5,000 | 4,800–5,400 | Apr 8, 2002 |
| Hickman #1 | R3 Operating Corporation | Inactive | Enhanced recovery | — | 5,000 | 4,650–4,950 | Oct 20, 2020 |
| Mallet Deep #4 | Apache Corporation | Plugged | Enhanced recovery | — | 4,500 | 8,595–11,950 | Jul 9, 1993 |
| Duggan Slaughter Unit #11BW | Devon Energy Production Co, L.P. | Canceled | Enhanced recovery | — | 4,000 | 4,892–5,060 | Apr 17, 1972 |
| Duggan Slaughter Unit #11CW | Pennzoil Exploration & Prod. Co. | Canceled | Enhanced recovery | — | 4,000 | 4,959–5,051 | Apr 17, 1972 |
| Southwest Levelland Unit #69W | Apache Corporation | Plugged | Enhanced recovery | — | 2,500 | 4,450–5,020 | Oct 23, 2013 |
| Mallet Unit #1148W | Apache Corporation | Plugged | Enhanced recovery | — | 2,500 | 4,400–5,350 | Mar 27, 2002 |
| Mallet Unit #435 | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 2,500 | 44,005–5,093 | May 26, 2010 |
| Mallet Unit #721 | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 2,500 | 4,400–5,085 | May 26, 2010 |
| Mallet Unit #1111R | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 2,500 | 4,400–5,073 | May 26, 2010 |
| Mallet Unit #1511W | Hilcorp Energy Company | Inactive | Enhanced recovery | — | 2,500 | 4,400–5,170 | Aug 23, 2011 |
| Starnes Unit #502W | Great Western Drilling Company | Plugged | Enhanced recovery | — | 2,300 | 4,965–5,050 | Jul 30, 1962 |
| Starnes Unit #1706W | Great Western Drilling Company | Canceled | Enhanced recovery | — | 2,300 | 4,997–5,040 | Jul 30, 1962 |
| Starnes Unit #2202W | Great Western Drilling Company | Plugged | Enhanced recovery | — | 2,300 | 5,029–5,044 | — |
| Starnes Unit #2214W | Walsh Petroleum, Inc. | Canceled | Enhanced recovery | — | 2,300 | 5,047–5,063 | — |
| Mallet Unit #303W | Apache Corporation | Plugged | Enhanced recovery | — | 2,300 | 4,400–5,437 | Apr 20, 2000 |
| Mallet Unit #710W | Apache Corporation | Plugged | Enhanced recovery | — | 2,300 | 4,400–5,435 | Apr 20, 2000 |
| Mallet Unit #715W | Mobil Producing TX. & N.M. Inc. | Canceled | Enhanced recovery | — | 2,300 | 4,400–5,433 | Apr 20, 2000 |
| Starnes Unit #2808W | Great Western Drilling Company | Canceled | Enhanced recovery | — | 2,300 | 5,040–5,070 | — |
| West Levelland Unit #35W | Apache Corporation | Plugged | Enhanced recovery | — | 2,240 | 4,400–5,000 | Jan 6, 2014 |
| Miller-Wright Unit #306W | Kimbell Oil Company of Texas | Plugged | Enhanced recovery | — | 2,000 | 4,750–5,050 | Aug 13, 1992 |
| Boyd #13W | Anadarko Petroleum Corporation | Canceled | Enhanced recovery | — | 2,000 | 4,850–5,250 | Sep 24, 1991 |
| Boyd #50W | Anadarko Petroleum Corporation | Canceled | Enhanced recovery | — | 2,000 | 4,850–5,250 | Sep 24, 1991 |
| Mallet Unit #101W | Apache Corporation | Canceled | Enhanced recovery | — | 2,000 | 4,400–5,323 | Dec 31, 1999 |
| Mallet Unit #141W | Apache Corporation | Plugged | Enhanced recovery | — | 2,000 | 4,400–5,376 | Dec 31, 1999 |
| Mallet Unit #305W | Mobil Producing TX. & N.M. Inc. | Canceled | Enhanced recovery | — | 2,000 | 4,400–5,422 | Dec 31, 1999 |
| Mallet Unit #406W | Apache Corporation | Canceled | Enhanced recovery | — | 2,000 | 4,400–5,437 | Dec 31, 1999 |
| Mallet Unit #178W | Apache Corporation | Plugged | Enhanced recovery | — | 2,000 | 4,400–5,411 | Dec 31, 1999 |
| Mallet Unit #151W | Mobil Producing TX. & N.M. Inc. | Canceled | Enhanced recovery | — | 2,000 | 4,400–5,379 | Dec 31, 1999 |
| Mallet Unit #432W | Apache Corporation | Plugged | Enhanced recovery | — | 2,000 | 4,400–5,429 | Dec 31, 1999 |
| Conoco-Dean Unit #157 | R2Q Operating LLC | Inactive | Disposal | — | 2,000 | 9,300–11,600 | Aug 20, 1996 |
| Conoco-Dean Unit #101 | R2Q Operating LLC | Inactive | Enhanced recovery | — | 2,000 | 4,950–5,100 | Dec 18, 2003 |
| Dean, C. S. "A" #16W | Apache Corporation | Plugged | Enhanced recovery | — | 1,700 | 4,400–5,200 | Jul 7, 2014 |
| Igoe-Smith Oper. Area #11W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 1,500 | 4,892–5,030 | Mar 24, 1986 |
| Igoe-Smith Oper. Area #26W | Occidental Permian Ltd. | Canceled | Enhanced recovery | — | 1,500 | 4,975–5,040 | Mar 24, 1986 |
| Igoe-Smith Oper. Area #42W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 1,500 | 4,985–5,052 | Mar 24, 1986 |
| Igoe-Smith Oper. Area #44W | Amoco Production Company | Plugged | Enhanced recovery | — | 1,500 | 4,971–5,013 | Mar 24, 1986 |
| Igoe-Smith Oper. Area #56W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 1,500 | 4,995–5,077 | Mar 24, 1986 |
| Igoe-Smith Oper. Area #60W | Amoco Production Company | Canceled | Enhanced recovery | — | 1,500 | 5,003–5,072 | Mar 24, 1986 |
| Igoe-Smith Oper. Area #61W | Occidental Permian Ltd. | Plugged | Enhanced recovery | — | 1,500 | 5,012–5,043 | Mar 24, 1986 |
| Prairie Dog #1 | Baxter, Kelly H. Oil and Gas Co. | Canceled | Disposal | — | 1,500 | 4,774–4,968 | Apr 19, 1996 |
| Laney, J. D. et Al #8A | Sogo III LLC | Plugged | Disposal | — | 1,500 | 4,800–5,040 | Oct 31, 1995 |
| Magnum Levelland Unit #501 | Quantum Resources Management,llc | Canceled | Disposal | — | 1,500 | 4,770–5,050 | Oct 28, 1997 |
| Magnum Levelland Unit #408 | Breitburn Operating L.P. | Plugged | Disposal | — | 1,500 | 4,750–5,053 | Feb 9, 1998 |
| Magnum Levelland Unit #204 | Extex Operating Company | Plugged | Disposal | — | 1,500 | 4,750–5,050 | Feb 23, 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.