Produced water and disposal in Grimes 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 →
Grimes County has 10 active injection and disposal wells, 9 of them permitted for disposal, with 109,500 barrels a day of permitted capacity.
Operators reported 3.1 million barrels injected on H-10 filings in the twelve months to June 2025, up 10% on the year before, about 8% of what the permits allow.
Advance Hydrocarbon Corp is the largest injector in the county, with 2.3 million barrels reported across 2 active wells.
- 10
- active injection wells, 9 for disposal
- 110K
- bbl/d permitted capacity
- 3.06M
- bbl reported, H-10 year to Jun 2025 +10%
- 8%
- of permitted capacity used
- 26
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 3,058,321 · prior 12 2,769,467(+10%)
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 |
|---|---|---|---|
| Advance Hydrocarbon Corp | 2.34M | 2 | 26K |
| Republic Ees, LLC | 679K | 1 | 25K |
| Paleo Oil Co LLC | 30K | 1 | 7.5K |
| Galloway Engy Co | 4.04K | 1 | 1K |
| Advantek Waste Mgmt Services LLC | — | 1 | 20K |
| C&e Prod, LLC | — | 1 | 20K |
| Wildfire Engy Oper LLC | — | 2 | 8K |
| Guardian Energy Operating Co LLC | — | 1 | 2K |
Injection permits
26 UIC PERMITS · 10 ACTIVE · PAGE 1 OF 1
Active permits first, by reported volume, then cancelled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| Bell, Harry A. -Unit #1 L | Advance Hydrocarbon Corp | Active | Disposal | 2.34M | 10,000 | 4,450–5,650 | Jun 28, 1995 |
| Grimes Co Hwy 30 SWD #2 | Republic Ees, LLC | Active | Disposal | 679K | 25,000 | 4,700–7,000 | May 21, 2020 |
| N. T. Breaux #01 | Paleo Oil Co LLC | Active | Enhanced recovery | 30K | 7,500 | 2,722–2,742 | Jun 27, 2022 |
| Southwest Development Co. #3 | Galloway Engy Co | Active | Disposal | 4.04K | 1,000 | 3,270–3,750 | Jul 8, 2009 |
| Carlos Dome "a" Unit #1H | Advantek Waste Mgmt Services LLC | Active | Disposal | — | 20,000 | 4,400–7,400 | Apr 15, 2019 |
| Six Shooter #A 1 | C&e Prod, LLC | Active | Disposal | — | 20,000 | 9,315–10,000 | Jun 18, 2018 |
| Leiber #2 | Advance Hydrocarbon Corp | Active | Disposal | — | 16,000 | 4,200–5,500 | Feb 28, 2011 |
| Hassler Unit SWD #2 | Wildfire Engy Oper LLC | Active | Disposal | — | 7,000 | 4,720–4,928 | Oct 31, 1994 |
| McWhorter #1 | Wildfire Engy Oper LLC | Active | Disposal | — | 1,000 | 4,000–4,345 | Mar 4, 2002 |
| Pearson Unit #2D | Guardian Energy Operating Co LLC | Active | Disposal | — | 2,000 | 4,800–5,600 | Oct 1, 2009 |
| Adams, G.A. #1 | Wildfire Engy Oper LLC | Cancelled | Disposal | — | 10,000 | 4,181–5,600 | Sep 21, 1993 |
| Lanicek OL #1WD | Magnolia Oil & Gas Oper LLC | Cancelled | Disposal | — | 5,000 | 3,150–4,950 | Dec 28, 2018 |
| Grimes Co Hwy 30 SWD #1 | PA Prospect LLC | Cancelled | Disposal | — | 25,000 | 4,700–7,000 | Nov 1, 2016 |
| Grimes Co Hwy 30 SWD #2 | PA Prospect LLC | Cancelled | Disposal | — | 25,000 | 4,700–7,000 | Apr 13, 2017 |
| Brunner #1 | Setex Oil and Gas Co | Cancelled | Disposal | — | 20,000 | 2,400–5,300 | Aug 24, 1995 |
| Covington #1H | Etx Engy, LLC | Cancelled | Disposal | — | 20,000 | 9,295–9,649 | Jun 18, 2018 |
| Leiber #1 | Advance Hydrocarbon Corp | Plugged | Disposal | — | 16,000 | 4,200–5,500 | Dec 12, 1995 |
| Iola SWD #1 | Patterson Petro LLC | Plugged | Disposal | — | 6,000 | 4,610–4,830 | Jun 28, 1996 |
| Howard #2D | Allied Oper Texas, LLC | Cancelled | Disposal | — | 4,000 | 4,900–6,350 | Aug 26, 2011 |
| Howard SWD #1 | Allied Oper Texas, LLC | Cancelled | Disposal | — | 2,500 | 4,680–5,270 | Dec 21, 2010 |
| Powledge #3 | Crimson Expl Oper., Inc | Plugged | Disposal | — | 2,000 | 4,000–4,050 | Sep 6, 2000 |
| Powledge #2 | Crimson Expl Oper., Inc | Plugged | Disposal | — | 2,000 | 3,868–4,364 | Sep 8, 2004 |
| Medland Estate #1 | Sandel Oper Co | Plugged | Disposal | — | 1,500 | 5,500–5,690 | Apr 18, 1991 |
| McDuffie SWD #1 | Patterson Petro, Inc | Cancelled | Disposal | — | 1,200 | 4,270–4,400 | Aug 10, 1993 |
| Johnson, Flora I. #5D | Cashco Oil Co | Cancelled | Disposal | — | 1,000 | 4,320–4,430 | Apr 12, 1978 |
| Meachum, Lula et AL #1D | Italian-American Oil Co., Inc | Cancelled | Disposal | — | 500 | 3,694–3,727 | Jun 23, 1987 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Sep 6, 2019 | 856864 | Republic Ees, LLC | Grimes Co Hwy 30 SWD #2 18530893 |
| Sep 17, 2010 | 702029 | Allied Operating Texas, LLC | Howard SWD #1 18530754 |
| Apr 18, 1996 | 447212 | Patterson Petroleum, Inc. | Iola SWD #1 18530571 |
| Oct 3, 1994 | 428262 | Patterson Petroleum, Inc. | Hassler Unit SWD #2 18530469 |
| Jul 30, 1993 | 414151 | Patterson Petroleum, Inc. | McDuffie SWD #1 18530211 |
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/grimes, documented in the API reference.