Produced water and disposal in Refugio 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 →
Refugio County has 231 active injection and disposal wells, 125 of them permitted for disposal, with 2.1 million barrels a day of permitted capacity.
Operators reported 74 million barrels injected on H-10 filings in the twelve months to June 2025, down 11% on the year before, about 10% of what the permits allow.
Hilcorp Energy Company is the largest injector in the county, with 51 million barrels reported across 143 active wells.
- 231
- active injection wells, 125 for disposal
- 2.11M
- bbl/d permitted capacity
- 73.5M
- bbl reported, H-10 year to Jun 2025 -11%
- 10%
- of permitted capacity used
- 829
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 73,523,439 · prior 12 82,376,271(-11%)
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 | 51.4M | 143 | 1.5M |
| T-C Oil Company, LLC | 10.3M | 47 | 227K |
| Dorchester Operating Company LLC | 5.44M | 13 | 133K |
| Greta Operating Company LLC | 2.17M | 4 | 47.5K |
| South Texas Operating Company | 1.33M | 1 | 15K |
| Bent Wing Energy, LLC | 1.29M | 4 | 17K |
| Bes, Environmental Services,inc. | 461K | 1 | 25K |
| San Isidro Development Co, L. C. | 350K | 1 | 10K |
| Dewbre Petroleum Corporation | 333K | 2 | 2.4K |
| Allegiant Resources, LLC | 142K | 4 | 40K |
| Rising Star Energy Partners II, | 101K | 2 | 20K |
| Finaly Resources LLC | 85.1K | 1 | 3K |
| Paleo Oil Company LLC | 77.5K | 1 | 8K |
| Digital Operating Company LLC | 24.9K | 1 | 25K |
| Dallas Petroleum Group, LLC | 15.4K | 1 | 25K |
| Paloma Operating, LLC | 1.9K | 1 | 1K |
| Devon Energy Production Co, L.P. | — | 1 | 4K |
| 2 D Oil & Gas LLC | — | 1 | 1K |
| Salida Exploration, LLC | — | 1 | 800 |
| Magnum Producing, LP | — | 1 | 750 |
Injection permits
829 UIC PERMITS · 231 ACTIVE · PAGE 9 OF 9
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 |
|---|---|---|---|---|---|---|---|
| Lambert, M. F. #67 | H & D Operating Company | Canceled | Disposal | — | — | 3,890–3,910 | Mar 26, 1986 |
| O'Connor, Thomas, "D" #1D | Quintana Pet. Corp. | Canceled | Disposal | — | — | 1,930–1,945 | Jul 19, 1983 |
| Oconnor, Thos. -D- #7 | Quintana Pet. Corp. | Canceled | Disposal | — | — | 3,860–3,885 | Jul 19, 1983 |
| Heard, J. F. B. #4 | Exxon Corp. | Canceled | Disposal | — | — | 3,120 | Jul 12, 1984 |
| Williams, Maude, Etal -A- #D 70D | Quintana Pet. Corp. | Canceled | Disposal | — | — | 3,940–4,000 | Apr 20, 1979 |
| Oconnor -D- #D 31 | T - C Oil Company | Canceled | Disposal | — | — | 3,750–3,442 | Jun 20, 1980 |
| Lambert, M. F. #38D | H & D Operating Company | Canceled | Disposal | — | — | 3,435–3,475 | Jan 14, 1980 |
| Williams, Maude, Etal -A- #68D | Quintana Pet. Corp. | Canceled | Disposal | — | — | 3,383–3,426 | Dec 5, 1978 |
| Tom Oconnor (5800 SD) Fld. Unit #Q004D | Quintana Pet. Corp. | Canceled | Disposal | — | — | 3,050–3,130 | Mar 22, 1979 |
| Rooke, P. H. #32 | 38 Oil & Gas, L.L.C. | Plugged | Disposal | — | — | 3,900–4,300 | Nov 4, 1983 |
| Roche, K. D. -A- #17 | H & D Operating Company | Plugged | Disposal | — | — | 4,820–4,830 | Apr 13, 1984 |
| Williams, Maude et al "A" #D 78 | Quintana Pet. Corp. | Canceled | Disposal | — | — | 3,760–3,790 | Apr 9, 1984 |
| T-C Oil Company-O'Connor #60 | T - C Oil Company | Canceled | Disposal | — | — | 3,466–3,546 | Aug 9, 1984 |
| Oconnor #9 | West Salt Water Disposal System | Canceled | Disposal | — | — | 4,420–4,425 | Dec 14, 1984 |
| Williams, Maude, et al A #81 | Quintana Pet. Corp. | Canceled | Disposal | — | — | 4,530 | Apr 25, 1984 |
| T-C Oil Co.-O'Connor #27 | T - C Oil Company | Canceled | Enhanced recovery | — | — | 4,432–4,440 | Jan 13, 1971 |
| Hynes -C- #2 | Fina Oil & Chemical Company | Canceled | Disposal | — | — | 4,200–4,450 | Dec 10, 1985 |
| O'Brien, J. M. #303 T | Exxon Corp. | Canceled | Disposal | — | — | 3,140 | Jan 10, 1986 |
| O'Brien, J. M. #306 | Exxon Corp. | Canceled | Disposal | — | — | 3,130 | Sep 10, 1986 |
| T-C Oil Co. Oconnor #4 | T - C Oil Company | Canceled | Disposal | — | — | — | — |
| Heard, J. F. B. #16W | Exxon Corp. | Canceled | Disposal | — | — | 3,100–3,190 | Jul 15, 1994 |
| O'Connor, Dennis et al -G- #G 7 | T - C Oil Company | Plugged | Enhanced recovery | — | — | 4,462–4,505 | Apr 24, 2001 |
| T-C Oil Co.- O'Connor #66 | T-C Oil Company, LLC | Canceled | Enhanced recovery | — | — | 4,408–4,458 | Feb 6, 2009 |
| T-C Oil Co.- O'Connor #3 | T-C Oil Company, LLC | Canceled | Enhanced recovery | — | — | 4,410–4,554 | Jun 1, 2004 |
| Williams, Maude et al "A" #D128 | Hilcorp Energy Company | Inactive | Enhanced recovery | — | — | 4,390–4,500 | May 10, 2006 |
| Oconnor, Thos. -B- #8 | Quintana Pet. Corp. | Plugged | Enhanced recovery | — | — | 5,457–5,460 | Jun 1, 1965 |
| O'Brien, J M "C" #305 | Humble Oil & Refining Co. | Plugged | Disposal | — | — | 3,520 | Sep 22, 1972 |
| Obrien, J. J. -B- #B3 | Atlantic Richfield Co. | Canceled | Disposal | — | — | 4,625–4,645 | Aug 24, 1967 |
| Heard, A. W. J. #12 | Pan American Petroleum Corp. | Canceled | Enhanced recovery | — | — | 6,183–6,200 | Aug 10, 1964 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Oct 1, 2026 | 919005 | Rising Star Energy Partners II, | Rooke. B.D. SWD #3 39133360 |
| Oct 1, 2026 | 919003 | Rising Star Energy Partners II, | Rooke. B.D. SWD #2 39133359 |
| Oct 1, 2026 | 919001 | Rising Star Energy Partners II, | Rooke. B.D. SWD #1 39133358 |
| Oct 29, 2013 | 772290 | Basic Energy Services, L.P. | Refugio SWD #2 39133086 |
| Jan 15, 1982 | 147541 | Amoco Production Company | Heard, Ira "A" #5 D 39100740 |
| Nov 25, 1980 | 100377 | Texas Oil & Gas Corp. | Spikes, Myra "D" #1D 39181785 |
| Nov 21, 1980 | 100125 | Texas Oil & Gas Corp. | Fagan, P. H. Estate "L" #1D 39181782 |
| Mar 21, 1980 | 75934 | Exxon Corp. | Heard, J. F. B. #9D 39100868 |
| Mar 12, 1980 | 75030 | Conoco Inc. | Welder, J. F. Heirs-R #6 39131161 |
| Mar 3, 1980 | 73988 | Amoco Production Company | O'Brien, J. M. "A" #6 D 39130189 |
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/refugio, documented in the API reference.