FIELDS · TEXAS · FIELD 26558666
Dunes (Marble Falls)
Field · District 09 · Jack County · Marble Falls in every state →
Dunes (Marble Falls) is an RRC field with 5 leases on file reported by 5 operators, in Jack County.
In the 12 months reported through April 2026 it produced 3,007 mcf of gas, down 37% on the year before, from 1 leases reporting volume.
Choice Exploration, Inc. holds the most, 1 leases and 1,904 barrels lifetime.
Lifetime, the field has reported 4,201 barrels of oil and 116,914 mcf of gas.
- 5
- leases on file
- 1
- leases reporting volume
- 5
- operators, all time
- 1
- active wellbores of 4 · 1 operators today
- 7
- bbl oil, 12 months through Apr 2026 · −87%
- 3,007
- Mcf gas, same 12 months · −37%
- 4,201
- bbl oil, lifetime · 116,914 Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 7 · prior 12 54(-87%)
Dunes (Marble Falls): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 4
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Choice Exploration, Inc. | 1 | 1.9K | 6.59K | Oct 2016 |
| Delfin Operating, LLC | 1 | 1.7K | 68K | Jul 2026 |
| G & F Oil, Inc. | 1 | 597 | 42.4K | Jul 2026 |
| Hopehill Petroleum Co., Inc. | 2 | 0 | 0 | Jul 2026 |
Counties
- Jack County → 3 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Reed Henderson #1 | G & F Oil Inc. | Jack | Jul 15, 2021 | — | 0 | 0 |
| Dinwiddie #1 | Choice Exploration Inc. | Jack | Aug 6, 2015 | — | 0 | 0 |
| Haley #1 C | Hopehill Petroleum Co. Inc. | Jack | May 29, 1969 | — | 0 | 0 |
| Jolly #1 C | Hopehill Petroleum Co. Inc. | Jack | May 5, 1969 | — | 0 | 0 |
About this data
Field 26558666 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. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Marble Falls, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/26558666, documented in the API reference.