FIELDS · 3945500 · DISTRICT 04
Arroyo Los Olmos (Yegua 25)
Starr 32
Arroyo Los Olmos (Yegua 25) is an RRC field with 32 leases on file reported by 17 operators, in Starr County.
In the 12 months reported through April 2026 it produced 294,212 mcf of gas, down 8% on the year before, from 18 leases reporting volume.
Mortimer Prod Co holds the most, 18 leases and 20,225 barrels lifetime.
Lifetime, the field has reported 20,225 barrels of oil and 34 million mcf of gas, across 2 oil and 30 gas leases.
- 32
- leases on file · 2 oil, 30 gas
- 17
- operators, all time
- 0
- bbl oil, last 12 reported -100%
- 294K
- mcf gas, last 12 reported -8%
- 18
- leases reporting volume
- 20.2K
- bbl oil, lifetime · 34.4M 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 294,212 · prior 12 318,467(-8%)
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 0 · prior 12 6(-100%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 12 · a year earlier 18(-33%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 6
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Mortimer Prod Co | 18 | 20.2K | 20.7M | Jul 2026 |
| Caribbean Engy LLC II | 10 | 0 | 13.2M | Jul 2026 |
| Mortimer Expl Co | 1 | 0 | 76.4K | Dec 1996 |
| Opex Engy, LLC | 1 | 0 | 375K | Apr 2006 |
| Transtexas Gas Corp | 1 | 0 | 0 | Jan 2005 |
| Wagner, Duer & Co | 1 | 0 | 9.1K | Jan 1994 |
Counties
- Starr County → 32 leases
About this data
Field 3945500 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/3945500, documented in the API reference.