COUNTIES · PERMIAN BASIN · DISTRICT 7C · CODE 443
Terrell County, Texas
Terrell County has had no new drilling permits in the past 90 days; the most recent permit on record was issued May 1, 2026.
Urban Oil & Gas Group, LLC leads with 1 permit in the past 12 months, the only operator active in the county.
Median permitted depth over the past year is 8,720 ft; 0% of the past year's permits are horizontal.
The county has 2 active disposal and injection permits, with 20.5K barrels injected in the 12 months reported through June 2025.
1,625 drilling permits have been issued in Terrell County since 1977.
1,625 permits on file since 1977 · last issued May 1, 2026
Watch Terrell CountyAlso: every Terrell 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
- 129
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 5, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 120 MONTHS · BY ISSUE DATE
Last 12 months 1 · prior 12 0
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Urban Oil & Gas Group, LLC | 1 | 29 |
New entrants, last 12 months
Operators whose first permit in Terrell County came in the last year. None.
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Terrell County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Terrell County the Simpson is reported in 26 wells, median top 12,487 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Wolfcamp | 547 | 1 | 4,930 | 3,192–5,801 |
| Strawn | 229 | 0 | 11,063 | 8,483–11,800 |
| Devonian | 104 | 0 | 11,680 | 8,629–12,941 |
| Leonard | 90 | 0 | 3,200 | 1,163–3,914 |
| Base Cretaceous (marker) | 84 | 0 | 932 | 755–1,157 |
| Pennsylvanian | 59 | 0 | 10,872 | 10,198–11,358 |
| Ellenburger | 53 | 0 | 13,718 | 10,848–14,910 |
| Woodford | 49 | 0 | 11,630 | 8,552–12,912 |
| Canyon | 28 | 0 | 7,566 | 4,998–8,199 |
| Simpson | 26 | 0 | 12,487 | 10,636–13,176 |
| Silurian (undifferentiated) | 25 | 0 | 12,231 | 9,264–12,926 |
| Barnett | 23 | 0 | 11,642 | 8,655–12,681 |
| Fusselman | 21 | 0 | 12,402 | 9,015–12,917 |
| Permian (undifferentiated) | 19 | 0 | 1,020 | 694–1,356 |
| San Andres | 14 | 0 | 1,765 | 1,275–2,362 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 2
- active UIC permits of 4
- 12.5K
- permitted bbl/day, active
- 20.5K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Terrell County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 0
- M2+ events in the area
- —
- largest
Monthly counts, magnitudes, and every recent event in the area →
Events are not tagged with a county; this counts M2+ events inside the bounding box of the county’s located permits, padded 0.1°. About TexNet →
Latest permits
NEWEST FIRST BY ISSUE DATE
| Permit | Seen | Issued | Operator | Lease / well | Depth | API |
|---|---|---|---|---|---|---|
| 914810 | May 1, 2026 | May 1, 2026 | Urban Oil & Gas Group, LLC | Noelke 2 #1402 | 8,720 | 44330924 |
| 885368 | Nov 3, 2022 | Nov 3, 2022 | Longfellow Energy, LP | Bassett Goode #6HH | 10,000 | 44331169 |
| 885368 | Nov 3, 2022 | Nov 3, 2022 | Longfellow Energy, LP | Bassett Goode #6H | 11,107 | 44331169 |
| 867438 | Feb 5, 2021 | Feb 5, 2021 | Brahman Oil & Gas, LLC | Porter 49 #1D | 3,500 | 44331359 |
| 865456 | Oct 13, 2020 | Oct 13, 2020 | Fasken Oil and Ranch, Ltd. | Geaslin SW 206 #61 | 6,817 | 44331073 |
| 847953 | Jan 7, 2019 | Jan 7, 2019 | Urban Oil & Gas Group, LLC | Noelke 2 #1403H | 8,930 | 44330954 |
| 843629 | Sep 19, 2018 | Sep 19, 2018 | Longfellow Energy, LP | Goode, M. H. Estate #105 | 14,600 | 44300086 |
| 842718 | Jul 27, 2018 | Jul 27, 2018 | Brahman Resource Partners, LLC | Acu 37 #1HH | 14,190 | 44331350 |
| 841025 | Jun 12, 2018 | Jun 12, 2018 | Urban Oil & Gas Group, LLC | Allison 19 #1H | 10,877 | 44330880 |
| 835647 | Jan 30, 2018 | Jan 30, 2018 | Longfellow Energy, LP | Goode, M.H. Estate #1 | 14,803 | 44300052 |
Questions about Terrell County
How many drilling permits were issued in Terrell County in the last 12 months?
1 permit was issued in Terrell County in the last 12 months. 0% were for horizontal wells. The most recent was issued May 1, 2026. 1,625 are on file since 1977.
Every Terrell County permit →Who is the most active operator in Terrell County?
By drilling permits filed in the last 12 months, Urban Oil & Gas Group, LLC is the most active operator in Terrell County, with 1 of 1. 0 operators filed permits here in the last 90 days.
Operators in Terrell County →How many oil and gas wells are in Terrell County?
1,265 wells are on file in Terrell County: 600 active and 393 plugged. 89 are horizontal, and 12 operators hold them.
Every well in Terrell County →How much oil and gas does Terrell County produce?
The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Terrell County is listed with its reported production on the county's Leases tab.
Leases in Terrell County →How much water is injected in Terrell County?
20,516 barrels of water were injected in Terrell County in the 12 months through June 2025, reported on form H-10. 2 of the county's 4 disposal and injection permits are active.
Disposal and injection in Terrell County →What formations are drilled in Terrell County?
Completion filings for wells in Terrell County report tops for 15 formations in at least ten wells each. The most reported are the Wolfcamp (547 wells, median top 4,930 ft), the Strawn (229 wells, median top 11,063 ft), and the Devonian (104 wells, median top 11,680 ft).
Formations in Terrell County →What basin is Terrell County in?
Petrora lists Terrell County in the Permian Basin. It is in the Railroad Commission's District 7C.
The Permian Basin →Have there been earthquakes in Terrell County?
TexNet located no earthquakes of magnitude 2 or more in the area of Terrell County's permitted wells in the last 2 years.
Earthquakes in Terrell County →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/terrell?days=90, documented in the API reference.