Produced water and disposal in Cass 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 →
Cass County has 24 active injection and disposal wells, 15 of them permitted for disposal, with 97,300 barrels a day of permitted capacity.
Operators reported 3.6 million barrels injected on H-10 filings in the twelve months to June 2025, up 111% on the year before, about 10% of what the permits allow.
Rose City Resources, LLC is the largest injector in the county, with 2.7 million barrels reported across 3 active wells.
- 24
- active injection wells, 15 for disposal
- 97.3K
- bbl/d permitted capacity
- 3.58M
- bbl reported, H-10 year to Jun 2025 +111%
- 10%
- of permitted capacity used
- 230
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 3,582,410 · prior 12 1,699,311(+111%)
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 |
|---|---|---|---|
| Rose City Resources, LLC | 2.7M | 3 | 19K |
| Sulphur River Exploration, Inc. | 571K | 6 | 29.6K |
| Cass Energy LLC | 235K | 4 | 14.8K |
| Stroud Petroleum, Inc. | 33.9K | 1 | 5K |
| McCormick Production Co, Inc. | 14.6K | 1 | 1.8K |
| Express Energy Group, LLC | 12.3K | 1 | 5K |
| Wilson Energy Resources LLC | 6.04K | 3 | 8.6K |
| Oil Patch Operators Co., L.L.C. | 5.65K | 1 | 1K |
| Gallery Petroleum LLC | — | 1 | 5K |
| Valence Operating Company | — | 1 | 5K |
| Moransco Energy Corporation | — | 1 | 1.5K |
| Cec Operations of Texas, LLC | — | 1 | 1K |
Injection permits
230 UIC PERMITS · 24 ACTIVE · PAGE 3 OF 3
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 |
|---|---|---|---|---|---|---|---|
| Haynes /Mitchell/ Unit #4305W | Beacon Petroleum Corporation | Canceled | Enhanced recovery | — | — | — | — |
| Haynes /Mitchell/ Unit #5302W | Beacon Petroleum Corporation | Canceled | Enhanced recovery | — | — | — | Jun 26, 1964 |
| Haynes /Mitchell/ Unit #5501W | Beacon Petroleum Corporation | Canceled | Enhanced recovery | — | — | — | — |
| Haynes /Mitchell/ Unit #5902W | Beacon Petroleum Corporation | Canceled | Enhanced recovery | — | — | — | — |
| Whatley, Lex "B" #2 | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | — | — |
| Haynes /Mitchell/ Unit #6304 | Beacon Petroleum Corporation | Canceled | Enhanced recovery | — | — | 1,000–1,001 | Aug 19, 1994 |
| Kildare /West Gloyd/ Unit #101 | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | — | — |
| Kildare /West Gloyd/ Unit #201 | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | — | — |
| Kildare /West Gloyd/ Unit #1301 | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | — | — |
| Kildare /West Gloyd/ Unit #4703 | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | — | — |
| Kildare /East Gloyd/ Unit #1501W | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | — | — |
| Kildare /Pettit/Water Flood Unit #1308 | Killingsworth, S. H. Est. Of | Plugged | Disposal | — | — | 3,905 | — |
| Rodessa,east /6000 Mitchell/Unit #11W | Crow, David | Canceled | Enhanced recovery | — | — | — | — |
| Bryans Mill Unit #18 I | Shell Western E&P Inc. | Canceled | Enhanced recovery | — | — | 10,416–10,495 | Apr 22, 1977 |
| Kildare /West Gloyd/ Unit #1201 | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | — | — |
| Kildare /East Gloyd/ Unit #2801 | Killingsworth Oil Co. | Plugged | Enhanced recovery | — | — | — | — |
| Friendship Field Anhydrite Unit #5 | Sklar & Phillips Oil Co. | Canceled | Enhanced recovery | — | — | — | Sep 14, 1962 |
| Rodessa -U- Waterflood Unit 1 #6I | Shell Western E&P Inc. | Canceled | Enhanced recovery | — | — | — | — |
| Bryans Mill Unit #13 | Sulphur River Exploration, Inc. | Canceled | Enhanced recovery | — | — | 10,426–10,476 | Feb 9, 1981 |
| Bryans Mill Unit #3R | Shell Western E&P Inc. | Canceled | Enhanced recovery | — | — | — | — |
| Rodessa -U- Waterflood Unit 1 #2I | Shell Western E&P Inc. | Canceled | Enhanced recovery | — | — | 6,240 | Feb 23, 1984 |
| Kildare /East Gloyd/ Unit #2303 | Killingsworth Oil Co. | Canceled | Enhanced recovery | — | — | 6,006–6,025 | May 31, 1985 |
| Bryans Mill Unit #2WS | Shell Western E&P Inc. | Canceled | Disposal | — | — | 4,798 | — |
| Bryans Mill Unit #1 | Shell Western E&P Inc. | Canceled | Disposal | — | — | — | — |
| Hazelwood Unit #301 | Killingsworth, S. H. Est. Of | Canceled | Enhanced recovery | — | — | 5,970 | Jan 3, 1986 |
| Rodessa SWD #1 | Bristol Resources Corporation | Canceled | Disposal | — | — | — | Jan 20, 1984 |
| Bryans Mill Unit #1GI | Shell Western E&P Inc. | Canceled | Enhanced recovery | — | — | 10,503–10,610 | Apr 14, 1965 |
| Bryans Mill Unit #4WS | Shell Western E&P Inc. | Canceled | Enhanced recovery | — | — | — | — |
| Cass (Hill) WF Unit #301 | Killingsworth, S. H. | Canceled | Enhanced recovery | — | — | — | — |
| Cass (Hill) Water Flood Unit #301X | Killingsworth, S. H. | Canceled | Enhanced recovery | — | — | — | Dec 31, 1965 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Apr 23, 2024 | 899073 | Barrow-Shaver Resources Co. | Stoermer SWD #1 06730944 |
| Jun 10, 2009 | 682023 | Cass Energy LLC | Whelan-Bivins SWD #2 06730760 |
| Jul 28, 1993 | 414359 | Crow, David | Harper-Thacker SWD #2 06730683 |
| Jan 2, 1984 | 225317 | Crystal Oil and Land Co. | Rodessa SWD #1 06730462 |
| Nov 22, 1983 | 221522 | Marshall Expl. Inc. | Bloomburg SWD #1 06730047 |
| Feb 17, 1981 | 108570 | Shell Oil Company | Bryans Mill Gas Unit #13 I 06780210 |
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/cass, documented in the API reference.