COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 173
Glasscock County
Glasscock County permitting is running 13 permits a month over the trailing 90 days (40 total, down 63% on the prior quarter). 14 were issued in the past week.
Pioneer Natural Res. USA, Inc. leads with 76 permits in the past 12 months, one of 18 operators active in the county.
7 operators filed a first Glasscock County permit in the past year.
Median permitted depth over the past year is 10,605 ft (prior year: 10,282 ft); 97% of the past year's permits are horizontal.
The county has 261 active disposal and injection permits, with 218M barrels injected in the 12 months reported through June 2025.
TexNet located 124 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M3.6.
11,592 drilling permits have been issued in Glasscock County since 1977.
11,592 permits on file since 1977 · last issued Oct 27, 2026
Watch Glasscock CountyAlso: every Glasscock County well in the statewide list, searchable → · a year of permits on the map →
- 40
- permits issued, 90d
- -63%
- vs prior 90d (108)
- 5
- operators filing
- 95%
- horizontal
- 10,613
- avg permitted depth, ft
- 519
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 117 MONTHS · BY ISSUE DATE
Last 12 months 364 · prior 12 216(+69%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Pioneer Natural Res. USA, Inc. | 76 | 1,488 |
| Diamondback E&P LLC | 64 | 627 |
| Civitas Permian Operating, LLC | 46 | 311 |
| Oxyrock Operating, LLC | 37 | 342 |
| DE Central Operating, LLC | 30 | 13 |
| OXY USA Inc. | 25 | 214 |
| DE V Operating, LLC | 19 | 5 |
| Black Swan Opco, LLC | 14 | 34 |
| Vital Energy, Inc. | 4 | 20 |
| Aqua Terra Permian, LLC | 4 | 5 |
New entrants, last 12 months
Operators whose first permit in Glasscock County came in the last year. 7 in total.
- DE V Operating, LLC19 permitsDec 19, 2025 · new to Texas permits
- Continental Resources, Inc.4 permitsApr 23, 2026 · active elsewhere first
- Arete Creek Operating, LLC4 permitsFeb 11, 2026 · new to Texas permits
- Deep Blue Operating I LLC2 permitsDec 17, 2025 · active elsewhere first
- R H Well Service, Inc.1 permitOct 6, 2026 · new to Texas permits
- Crescent Energy Operating, LLC1 permitApr 30, 2026 · active elsewhere first
- Tejas Permian Operating, LLC1 permitFeb 6, 2026 · active elsewhere first
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Glasscock County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Glasscock County the Strawn is reported in 2,055 wells, median top 9,728 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Spraberry | 4,532 | 259 | 6,590 | 5,636–6,956 |
| San Andres | 3,206 | 261 | 3,493 | 2,184–4,000 |
| Clear Fork | 3,120 | 256 | 5,454 | 3,680–6,123 |
| Yates | 2,822 | 258 | 2,040 | 1,320–2,242 |
| Wolfcamp | 2,478 | 12 | 7,704 | 6,579–8,396 |
| Grayburg | 2,442 | 252 | 3,342 | 2,354–3,799 |
| Queen | 2,226 | 205 | 2,708 | 1,500–3,188 |
| Seven Rivers | 2,180 | 213 | 2,132 | 1,300–2,519 |
| Strawn | 2,055 | 3 | 9,728 | 9,217–10,088 |
| Glorieta | 1,863 | 170 | 4,330 | 2,450–4,880 |
| Santa Rosa | 1,853 | 186 | 840 | 540–1,000 |
| Dean | 1,767 | 5 | 7,960 | 6,919–8,254 |
| Wichita-Albany | 900 | 2 | 7,058 | 4,812–7,550 |
| Rustler | 841 | 188 | 1,366 | 1,125–1,476 |
| Fusselman | 682 | 3 | 10,450 | 9,942–10,824 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 261
- active UIC permits of 626
- 2.97M
- permitted bbl/day, active
- 218M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Glasscock County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 124
- M2+ events in the area
- M3.6
- 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 |
|---|---|---|---|---|---|---|
| 919619 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #U 3LSH | 13,000 | 17339628 |
| 919624 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #4HH | 13,000 | 17339634 |
| 919618 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #3WDH | 13,000 | 17339626 |
| 919617 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #3JMH | 13,000 | 17339625 |
| 919623 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #3HH | 13,000 | 17339633 |
| 919615 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #2WDH | 13,000 | 17339641 |
| 919616 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #2WBH | 13,000 | 17339642 |
| 919614 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #2WAH | 13,000 | 17339640 |
| 919613 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #2LSH | 13,000 | 17339639 |
| 919612 | Oct 29, 2026 | Oct 27, 2026 | Diamondback E&P LLC | Woody 4-9 Unit #2JMH | 13,000 | 17339638 |
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/glasscock?days=90, documented in the API reference.