FIELDS · 440500 · DISTRICT 10
Achilles (Tonkawa)
Hemphill 11
Achilles (Tonkawa) is an RRC field with 13 leases on file reported by 14 operators, in Hemphill County.
In the 12 months reported through April 2026 it produced 174,323 mcf of gas, down 5% on the year before, from 5 leases reporting volume.
Unbridled Res, LLC holds the most, 3 leases and 321,198 barrels lifetime.
Lifetime, the field has reported 492,290 barrels of oil and 7.1 million mcf of gas, across 5 oil and 8 gas leases.
- 13
- leases on file · 5 oil, 8 gas
- 14
- operators, all time
- 4.41K
- bbl oil, last 12 reported -3%
- 174K
- mcf gas, last 12 reported -5%
- 5
- leases reporting volume
- 492K
- bbl oil, lifetime · 7.13M mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Gas by month
TEN YEARS · EVERY LEASE IN THE FIELD
Gas-well gas plus casinghead, mcf, across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 174,323 · prior 12 183,487(-5%)
Oil by month
TEN YEARS · EVERY LEASE IN THE FIELD
Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 4,413 · prior 12 4,572(-3%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 4 · a year earlier 4(+0%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 8
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Unbridled Res, LLC | 3 | 321K | 4.88M | Jul 2026 |
| Chesapeake Oper, L.L.C | 1 | 116K | 700K | Jun 2016 |
| Presidio Petro LLC | 3 | 54.7K | 622K | Jul 2026 |
| Parkway Petro, Inc | 2 | 0 | 43.6K | Sep 2013 |
| Post, George P. | 1 | 0 | 741 | Jul 2026 |
| Charter Oak Prod Co., LLC | 1 | 0 | 44.2K | Jan 2015 |
| Sundance Oil & Gas, Inc. | 1 | 0 | 394K | Mar 2012 |
| Templar Oper LLC | 1 | 0 | 443K | Oct 2019 |
Counties
- Hemphill County → 11 leases
About this data
Field 440500 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.
New to these records? how production is reported
Developers: this page as JSON is GET /v1/data/fields/tx/440500, documented in the API reference.