COUNTIES · PERMIAN BASIN · DISTRICT 8A · CODE 445

Terry County, Texas

Terry County permitting is running 2.0 permits a month over the trailing 90 days (6 total, versus 3 in the prior quarter). 1 was issued in the past week.

Basin Oil & Gas Operating, LLC leads with 13 permits in the past 12 months, one of 6 operators active in the county.

2 operators filed a first Terry County permit in the past year.

Median permitted depth over the past year is 8,700 ft; 5% of the past year's permits are horizontal.

The county has 527 active disposal and injection permits, with 49.4M barrels injected in the 12 months reported through June 2025.

2,274 drilling permits have been issued in Terry County since 1977.

2,274 permits on file since 1977 · last issued Nov 5, 2026

Watch Terry County

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

6
permits issued, 90d
+100%
vs prior 90d (3)
2
operators filing
0%
horizontal
9,567
avg permitted depth, ft
326
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 19 · prior 12 29(-34%)

05102017201820192020202120222023202420252026

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 Terry County came in the last year. 2 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill431,911
Reenter2056

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

In Terry County the Abo is reported in 178 wells, median top 7,617 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
San Andres1,053284,5284,300–5,135
Yates701283,1102,920–3,326
Glorieta699225,9005,780–5,998
Clear Fork683286,3726,112–6,808
Rustler473112,4312,296–2,541
Tubb22197,1546,926–7,330
Abo17817,6177,498–7,913
Wolfcamp12809,2658,400–9,986
Spraberry11807,4356,800–7,846
Seven Rivers11263,2783,094–3,430
Grayburg8524,2443,993–4,428
Queen8223,8333,554–4,107
Dean7308,9678,519–9,664
Strawn63011,11210,081–11,635
Fusselman40111,68611,479–12,801

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

527
active UIC permits of 1,050
1.46M
permitted bbl/day, active
49.4M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Terry 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 Terry County permits →

Questions about Terry County

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

21 permits were issued in Terry County in the last 12 months, down 25% from 28 in the 12 months before. 5% were for horizontal wells. The most recent was issued Nov 5, 2026. 2,274 are on file since 1977.

Every Terry County permit →

Who is the most active operator in Terry County?

By drilling permits filed in the last 12 months, Basin Oil & Gas Operating, LLC is the most active operator in Terry County, with 13 of 21, followed by Aviator Energy, LLC (2) and Griffin Petroleum Company (2). 2 operators filed permits here in the last 90 days.

Operators in Terry County →

How many oil and gas wells are in Terry County?

2,749 wells are on file in Terry County, including 1,051 active, 1,052 plugged, and 8 permitted and not yet drilled. 106 are horizontal. The active wells are under 48 operators.

Every well in Terry County →

How much oil and gas does Terry County produce?

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

Leases in Terry County →

How much water is injected in Terry County?

49.4 million barrels of water were injected in Terry County in the 12 months through June 2025, reported on form H-10. 527 of the county's 1,050 disposal and injection permits are active.

Disposal and injection in Terry County →

What formations are drilled in Terry County?

Completion filings for wells in Terry County report tops for 15 formations in at least ten wells each. The most reported are the San Andres (1,053 wells, median top 4,528 ft), the Yates (701 wells, median top 3,110 ft), and the Glorieta (699 wells, median top 5,900 ft).

Formations in Terry County →

What basin is Terry County in?

Petrora lists Terry County in the Permian Basin. It is in the Railroad Commission's District 8A.

The Permian Basin →

Have there been earthquakes in Terry County?

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

Earthquakes in Terry 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/terry?days=90, documented in the API reference.