FIELDS · 19458400 · DISTRICT 10
Coldwater Ranch (Marmaton)
Sherman 10
Coldwater Ranch (Marmaton) is an RRC field with 10 leases on file reported by 4 operators, in Sherman County.
In the 12 months reported through April 2026 it produced 21,521 barrels of oil, down 8% on the year before, from 2 leases reporting volume.
Burk Royalty Co., Ltd holds the most, 3 leases and 1.8 million barrels lifetime.
Lifetime, the field has reported 1.9 million barrels of oil and 1.5 million mcf of gas, across 8 oil and 2 gas leases.
- 10
- leases on file · 8 oil, 2 gas
- 4
- operators, all time
- 21.5K
- bbl oil, last 12 reported -8%
- 12.3K
- mcf gas, last 12 reported -38%
- 2
- leases reporting volume
- 1.94M
- bbl oil, lifetime · 1.54M mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
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 21,521 · prior 12 23,329(-8%)
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 12,300 · prior 12 19,697(-38%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 2 · a year earlier 2(+0%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 3
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Burk Royalty Co., Ltd | 3 | 1.84M | 1.42M | Jul 2026 |
| Phillips Petro Co | 6 | 98.2K | 194K | Sep 1997 |
| Conocophillips Co | 1 | 11K | 8.69K | Jul 2005 |
Counties
- Sherman County → 10 leases
About this data
Field 19458400 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/19458400, documented in the API reference.