COUNTIES · BARNETT SHALE AND NORTH TEXAS · DISTRICT 7B · CODE 193
Hamilton County
Hamilton County has had no new drilling permits in the past 90 days; the most recent permit on record was issued March 22, 2010.
The county has 1 active disposal and injection permits.
105 drilling permits have been issued in Hamilton County since 1977.
105 permits on file since 1977 · last issued Mar 22, 2010
Watch Hamilton CountyAlso: every Hamilton County well in the statewide list, searchable → · a year of permits on the map →
- 0
- permits issued, 90d
- —
- vs prior 90d (0)
- 0
- operators filing
- —
- horizontal
- —
- avg permitted depth, ft
- 49
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Operators by well inventory
No permits in the last year; ranked by wells on the RRC wellbore file instead.
New entrants, last 12 months
Operators whose first permit in Hamilton County came in the last year. None.
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Hamilton County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Hamilton County the Marble Falls is reported in 15 wells, median top 3,175 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Marble Falls | 15 | 0 | 3,175 | 2,204–3,598 |
| Barnett | 13 | 0 | 3,614 | 2,568–4,174 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 1
- active UIC permits of 9
- 3K
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Hamilton County →
Permitted volume is a ceiling, not throughput. How to read it →
Latest permits
NEWEST FIRST BY ISSUE DATE
| Permit | Seen | Issued | Operator | Lease / well | Depth | API |
|---|---|---|---|---|---|---|
| 693195 | Mar 22, 2010 | Mar 22, 2010 | Four Sevens Operating Co., Ltd. | Hughes #1 | 1,500 | 19330283 |
| 651069 | Dec 15, 2007 | Dec 15, 2007 | Dart Oil & Gas Corporation | Riverside Ranch, L.P. - 3 #3 | 4,350 | 19330282 |
| 651068 | Dec 15, 2007 | Dec 15, 2007 | Dart Oil & Gas Corporation | Riverside Ranch, L.P. - 2 #2 | 4,300 | 19330281 |
| 650463 | Dec 7, 2007 | Dec 7, 2007 | Dart Oil & Gas Corporation | Riverside Ranch, L.P. #1 | 4,200 | 19330280 |
| 640469 | Jun 18, 2007 | Jun 18, 2007 | Del Petroleum Corporation | Lone Star Fee/Jones, Travis #10 | 3,500 | 19330279 |
| 636947 | Apr 14, 2007 | Apr 14, 2007 | Marathon Oil Company | Lake Davis #1HH | 5,000 | 19330278 |
| 632470 | Jan 29, 2007 | Jan 29, 2007 | Del Petroleum Corporation | Jones, Travis #1 | 4,000 | 19330276 |
| 632470 | Jan 29, 2007 | Jan 29, 2007 | Del Petroleum Corporation | Jones, Travis #9 | 4,000 | 19330276 |
| 632470 | Jan 29, 2007 | Jan 29, 2007 | Del Petroleum Corporation | Jones, Travis #9 | 4,000 | 19330276 |
| 619483 | May 18, 2006 | May 18, 2006 | Majestic Consulting, LC | Hamilton SWD #1 | 10,000 | 19330275 |
About this data
Drilling permits from the RRC OGA049M master and daily daf420 files, rebuilt nightly into per-county figures; windows are on the date issued. Disposal from UIC permits and H-10 reports at the last settled month; earthquakes from the TexNet catalog inside the county's located-permit footprint.
Developers: this page as JSON is GET /v1/data/counties/tx/hamilton?days=90, documented in the API reference.