COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 339
Montgomery County
Montgomery County has had no new drilling permits in the past 90 days; the most recent permit on record was issued November 8, 2023.
The county has 64 active disposal and injection permits, with 56.1M barrels injected in the 12 months reported through June 2025.
1,319 drilling permits have been issued in Montgomery County since 1977.
1,319 permits on file since 1977 · last issued Nov 8, 2023
Watch Montgomery CountyAlso: every Montgomery 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
- 225
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 21 MONTHS · BY ISSUE DATE
Last 12 months 20
Operators by well inventory
No permits in the last year; ranked by wells on the RRC wellbore file instead.
| Operator | Permits | Wells |
|---|---|---|
| Highmark Energy Operating LLC | — | 644 |
| Exxon Corp. | — | 299 |
| Daylight Petroleum LLC | — | 54 |
| Atlantic Richfield Co. | — | 47 |
| Getty Oil Co. | — | 45 |
| Mitchell Energy Corporation | — | 41 |
| Sun Exploration & Production Co. | — | 39 |
| Shell Oil Company | — | 30 |
| Hester B. M. | — | 26 |
| Texaco Inc. | — | 21 |
New entrants, last 12 months
Operators whose first permit in Montgomery County came in the last year. None.
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Montgomery County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Wilcox | 189 | 0 | 8,650 | 7,697–11,005 |
| Frio | 85 | 0 | 2,746 | 2,535–3,801 |
| Yegua | 83 | 0 | 5,230 | 4,104–6,176 |
| Vicksburg | 71 | 0 | 3,532 | 3,390–3,980 |
| Jackson | 30 | 0 | 3,753 | 3,250–4,116 |
| Miocene (undifferentiated) | 26 | 0 | 1,982 | 1,786–2,348 |
| Cook Mountain | 10 | 0 | 6,562 | 6,162–6,890 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 64
- active UIC permits of 252
- 1.2M
- permitted bbl/day, active
- 56.1M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Montgomery 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 |
|---|---|---|---|---|---|---|
| 893171 | Nov 8, 2023 | Nov 8, 2023 | Denbury Onshore, LLC | Conroe Field Unit #1634HH | 8,119 | 33931134 |
| 893143 | Nov 8, 2023 | Nov 8, 2023 | Denbury Onshore, LLC | H.B. Moore, et al -A- #1HH | 10,418 | 33931133 |
| 893057 | Aug 24, 2023 | Aug 24, 2023 | Wheeler Operating Corporation | F. S. Hooper #7 | 9,600 | 33931132 |
| 890911 | Jul 19, 2023 | Jul 19, 2023 | Raven Forest Operating, LLC | Raven Forest Unit 12 #1STH | 14,325 | 33931131 |
| 880146 | Jul 22, 2022 | Jul 22, 2022 | Raven Forest Operating, LLC | Raven Forest Unit 12 #1H | 15,948 | 33931131 |
| 879749 | May 5, 2022 | May 5, 2022 | Denbury Onshore, LLC | Foster #4 | 5,145 | 33901656 |
| 876035 | Jan 25, 2022 | Jan 25, 2022 | Raven Forest Operating, LLC | Matthews #1 | 7,000 | 33931130 |
| 874251 | Nov 10, 2021 | Nov 10, 2021 | Daylight Petroleum LLC | Doggett, Wendell J. #1 | 12,215 | 33930866 |
| 868429 | Mar 19, 2021 | Mar 19, 2021 | Raven Forest Operating, LLC | USA-Raven Forest #1 | 13,820 | 33930533 |
| 866576 | Dec 28, 2020 | Dec 28, 2020 | Raven Forest Operating, LLC | Bonilla Gas Unit #2 | 3,630 | 33931129 |
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/montgomery?days=90, documented in the API reference.