COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 071

Chambers County, Texas

Chambers County permitting is running 0.3 permits a month over the trailing 90 days (1 total, after a quiet prior quarter).

Gulf Resource Recovery Corp. leads with 1 permit in the past 12 months, one of 4 operators active in the county.

3 operators filed a first Chambers County permit in the past year.

Median permitted depth over the past year is 12,715 ft (prior year: 4,144 ft); 0% of the past year's permits are horizontal.

The county has 116 active disposal and injection permits, with 50M barrels injected in the 12 months reported through June 2025.

3,427 drilling permits have been issued in Chambers County since 1977.

3,427 permits on file since 1977 · last issued Sep 16, 2026

Watch Chambers County

Also: every Chambers County well in the statewide list, searchable → · a year of permits on the map →

1
permits issued, 90d
—
vs prior 90d (0)
1
operators filing
0%
horizontal
15,550
avg permitted depth, ft
515
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 8, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 4 · prior 12 4(+0%)

0242017201820192020202120222023202420252026

Top operators, last 12 months

By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.

Full operator directory →

New entrants, last 12 months

Operators whose first permit in Chambers County came in the last year. 3 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill101,891

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in Chambers County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →

In Chambers County the Caprock is reported in 175 wells, median top 750 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Frio54147,5715,600–8,765
Miocene (undifferentiated)29234,9741,733–7,114
Caprock1757750493–1,336
Anahuac11906,7205,677–7,352
Vicksburg60110,4148,328–12,360
Yegua10010,7209,666–13,088

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

116
active UIC permits of 452
1.92M
permitted bbl/day, active
50M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Chambers County →

Permitted volume is a ceiling, not throughput. How to read it →

USGS catalog, Texas

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

All Chambers County permits →

Questions about Chambers County

How many drilling permits were issued in Chambers County in the last 12 months?

4 permits were issued in Chambers County in the last 12 months, level with 4 in the 12 months before. 0% were for horizontal wells. The most recent was issued Sep 16, 2026. 3,427 are on file since 1977.

Every Chambers County permit →

Who is the most active operator in Chambers County?

By drilling permits filed in the last 12 months, Gulf Resource Recovery Corp. is the most active operator in Chambers County, with 1 of 4, followed by Zachry Exploration, LLC (1) and Magnetar Operating LLC (1). 1 operator filed permits here in the last 90 days.

Operators in Chambers County →

How many oil and gas wells are in Chambers County?

4,072 wells are on file in Chambers County, including 423 active, 2,211 plugged, and 2 permitted and not yet drilled. 8 are horizontal. The active wells are under 37 operators.

Every well in Chambers County →

How much oil and gas does Chambers County produce?

The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Chambers County is listed with its reported production on the county's Leases tab.

Leases in Chambers County →

How much water is injected in Chambers County?

50.0 million barrels of water were injected in Chambers County in the 12 months through June 2025, reported on form H-10. 116 of the county's 452 disposal and injection permits are active.

Disposal and injection in Chambers County →

What formations are drilled in Chambers County?

Completion filings for wells in Chambers County report tops for 6 formations in at least ten wells each. The most reported are the Frio (541 wells, median top 7,571 ft), the Miocene (undifferentiated) (292 wells, median top 4,974 ft), and the Caprock (175 wells, median top 750 ft).

Formations in Chambers County →

What basin is Chambers County in?

Petrora lists Chambers County in the Texas Gulf Coast. It is in the Railroad Commission's District 03.

The Texas Gulf Coast →

Have there been earthquakes in Chambers County?

No earthquakes of magnitude 2 or more were located in the area of Chambers County's permitted wells in the last 2 years.

Earthquakes in Chambers 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/chambers?days=90, documented in the API reference.