Achilles (Tonkawa)
Field · District 10 · Hemphill County · Tonkawa in every state →
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 Resources, LLC holds the most, 3 leases and 4.9 million mcf of gas lifetime.
Lifetime, the field has reported 594,173 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
- 5
- leases reporting volume
- 14
- operators, all time
- 5
- active wellbores of 10 · 2 operators today
- 6,072
- bbl oil, 12 months through Apr 2026 · −9%
- 174,323
- Mcf gas, same 12 months · −5%
- 594,173
- bbl oil, lifetime · 7.1M Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Apr 2026 6,072 · prior 12 6,683(-9%)
Achilles (Tonkawa): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 8
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Unbridled Resources, LLC | 3 | 385K | 4.88M | Apr 2026 |
| Chesapeake Operating, L.L.C. | 1 | 116K | 700K | Mar 2015 |
| Presidio Petroleum LLC | 3 | 55.1K | 622K | Apr 2026 |
| Chesapeake Operating, Inc. | 2 | 27.2K | 43.6K | Jul 2010 |
| Charter Oak Production Co., LLC | 1 | 7.49K | 44.2K | Sep 2012 |
| Sundance Oil & Gas, Inc. | 1 | 1.48K | 394K | Oct 2011 |
| Templar Operating LLC | 1 | 997 | 443K | Oct 2008 |
| Post, George P. | 1 | 23 | 741 | Nov 1993 |
Counties
- Hemphill County → 13 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Park 104 #1H | Presidio Petroleum LLC | Hemphill | Apr 3, 2014 | — | — | — |
| Brex 102 HMH #1H | Unbridled Resources LLC | Hemphill | Mar 18, 2014 | — | — | — |
| Roach 70 HMH #1H | Unbridled Resources LLC | Hemphill | Sep 25, 2013 | — | — | — |
| Gruhlkey 100 #1HD | Presidio Petroleum LLC | Hemphill | Oct 22, 2012 | — | — | — |
| Day #1011H | Unbridled Resources LLC | Hemphill | Apr 18, 2010 | — | — | — |
| Big Lake 102 #1 | Charter Oak Production Co. LLC | Hemphill | May 18, 2008 | — | — | — |
| Park #1 | Upland Resources LLC | Hemphill | Apr 14, 1981 | — | — | — |
| Sundance #101 | Sundance Oil & Gas Inc. | Hemphill | Feb 23, 1978 | — | — | — |
| Meek #106 T | Post George P. | Hemphill | Oct 13, 1977 | — | — | — |
| Jahnel #1 | Templar Operating LLC | Hemphill | Oct 25, 1976 | — | — | — |
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 from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Tonkawa, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/440500, documented in the API reference.