COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 317
Martin County, Texas
Martin County permitting is running 89 permits a month over the trailing 90 days (267 total, up 203% on the prior quarter). 27 were issued in the past week.
Diamondback E&P LLC leads with 211 permits in the past 12 months, one of 21 operators active in the county.
4 operators filed a first Martin County permit in the past year.
Median permitted depth over the past year is 10,605 ft (prior year: 10,548 ft); 95% of the past year's permits are horizontal.
The county has 301 active disposal and injection permits, with 364M barrels injected in the 12 months reported through June 2025.
TexNet located 293 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M4.8.
20,626 drilling permits have been issued in Martin County since 1977.
20,626 permits on file since 1977 · last issued Nov 2, 2026
Watch Martin CountyAlso: every Martin County well in the statewide list, searchable → · a year of permits on the map →
- 267
- permits issued, 90d
- +203%
- vs prior 90d (88)
- 10
- operators filing
- 99%
- horizontal
- 10,754
- avg permitted depth, ft
- 489
- 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 599 · prior 12 729(-18%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Diamondback E&P LLC | 211 | 4,871 |
| Pioneer Natural Res. USA, Inc. | 210 | 3,086 |
| Ovintiv USA Inc. | 65 | 1,199 |
| Oxyrock Operating, LLC | 49 | 463 |
| High Noon Resources, LLC | 15 | 36 |
| De V Operating, LLC | 14 | 0 |
| Cutbow Operating, LLC | 12 | 100 |
| Deep Blue Operating I LLC | 8 | 74 |
| Deep Blue Central LLC | 8 | 9 |
| XTO Energy Inc. | 7 | 515 |
New entrants, last 12 months
Operators whose first permit in Martin County came in the last year. 4 in total.
- High Noon Resources, LLC15 permitsOct 29, 2026 · new to Texas permits
- De V Operating, LLC14 permitsOct 8, 2026 · active elsewhere first
- Backyard Environ State Line LLC1 permitSep 30, 2026 · new to Texas permits
- Hope Midstream LLC1 permitAug 5, 2026 · new to Texas permits
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Martin County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
Fewer than ten wells in Martin County report the Devonian, so it is below this table's cutoff. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Spraberry | 11,224 | 1,210 | 7,607 | 6,825–8,235 |
| Dean | 7,205 | 552 | 8,830 | 8,125–9,458 |
| San Andres | 7,098 | 1,145 | 4,232 | 3,648–4,756 |
| Yates | 6,735 | 1,126 | 2,593 | 2,040–2,973 |
| Wolfcamp | 6,329 | 460 | 9,071 | 8,352–9,694 |
| Grayburg | 6,250 | 1,054 | 3,950 | 3,345–4,447 |
| Queen | 5,516 | 1,016 | 3,473 | 2,797–4,019 |
| Santa Rosa | 4,795 | 750 | 1,156 | 854–1,451 |
| Clear Fork | 3,614 | 949 | 6,338 | 5,358–6,790 |
| Strawn | 3,015 | 0 | 10,438 | 9,860–11,015 |
| Mississippian | 1,222 | 0 | 10,400 | 10,020–11,215 |
| Atoka | 1,012 | 0 | 10,711 | 10,091–11,316 |
| Glorieta | 663 | 130 | 4,905 | 4,379–5,557 |
| Cisco | 628 | 31 | 8,500 | 5,066–10,469 |
| Jo Mill | 483 | 47 | 8,446 | 7,617–9,113 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 301
- active UIC permits of 799
- 5.12M
- permitted bbl/day, active
- 364M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Martin County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 293
- M2+ events in the area
- M4.8
- 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 |
|---|---|---|---|---|---|---|
| 919717 | Nov 4, 2026 | Nov 2, 2026 | High Noon Resources, LLC | Big Red Unit 75-82 #16HH | 10,600 | 31747629 |
| 918704 | Nov 4, 2026 | Nov 2, 2026 | Diamondback E&P LLC | Kimberly #3JMH | 11,000 | 31747498 |
| 919077 | Nov 4, 2026 | Nov 2, 2026 | Diamondback E&P LLC | Achilles 7-24 Unit 1 #2WDH | 13,000 | 31747553 |
| 919076 | Nov 4, 2026 | Nov 2, 2026 | Diamondback E&P LLC | Achilles 7-24 Unit 1 #2WBH | 13,000 | 31747552 |
| 919072 | Nov 4, 2026 | Nov 2, 2026 | Diamondback E&P LLC | Achilles 7-24 Unit 1 #2WAH | 13,000 | 31747551 |
| 919071 | Nov 4, 2026 | Nov 2, 2026 | Diamondback E&P LLC | Achilles 7-24 Unit 1 #2LSH | 13,000 | 31747549 |
| 919068 | Nov 4, 2026 | Nov 2, 2026 | Diamondback E&P LLC | Achilles 7-24 Unit 1 #2DNH | 13,000 | 31747548 |
| 919716 | Nov 1, 2026 | Oct 30, 2026 | High Noon Resources, LLC | Big Red Unit 75-82 #15HH | 9,800 | 31747610 |
| 919715 | Nov 1, 2026 | Oct 30, 2026 | High Noon Resources, LLC | Big Red Unit 75-82 #14HH | 8,400 | 31747608 |
| 919713 | Nov 1, 2026 | Oct 30, 2026 | High Noon Resources, LLC | Big Red Unit 75-82 #13HH | 9,300 | 31747607 |
Questions about Martin County
How many drilling permits were issued in Martin County in the last 12 months?
625 permits were issued in Martin County in the last 12 months, down 15% from 734 in the 12 months before. 95% were for horizontal wells. The most recent was issued Nov 2, 2026. 20,626 are on file since 1977.
Every Martin County permit →Who is the most active operator in Martin County?
By drilling permits filed in the last 12 months, Diamondback E&P LLC is the most active operator in Martin County, with 211 of 625, followed by Pioneer Natural Res. USA, Inc. (210) and Ovintiv USA Inc. (65). 10 operators filed permits here in the last 90 days.
Operators in Martin County →How many oil and gas wells are in Martin County?
17,440 wells are on file in Martin County: 6,582 active, 4,595 plugged, and 331 permitted and not yet drilled. 6,706 are horizontal, and 84 operators hold them.
Every well in Martin County →How much oil and gas does Martin County produce?
The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Martin County is listed with its reported production on the county's Leases tab.
Leases in Martin County →How much water is injected in Martin County?
364 million barrels of water were injected in Martin County in the 12 months through June 2025, reported on form H-10. 301 of the county's 799 disposal and injection permits are active.
Disposal and injection in Martin County →What formations are drilled in Martin County?
Completion filings for wells in Martin County report tops for 15 formations in at least ten wells each. The most reported are the Spraberry (11,224 wells, median top 7,607 ft), the Dean (7,205 wells, median top 8,830 ft), and the San Andres (7,098 wells, median top 4,232 ft).
Formations in Martin County →What basin is Martin County in?
Petrora lists Martin County in the Permian Basin. It is in the Railroad Commission's District 08.
The Permian Basin →Have there been earthquakes in Martin County?
TexNet located 293 earthquakes of magnitude 2 or more in the area of Martin County's permitted wells in the last 2 years; the largest was M4.8.
Earthquakes in Martin 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/martin?days=90, documented in the API reference.