FIELDS · 28220500 · DISTRICT 01
EL Viejo (Serpentine)
EL Viejo (Serpentine) is an RRC field with 5 leases on file reported by 9 operators, mostly in Bastrop County.
In the 12 months reported through April 2026 it produced 197 barrels of oil, up 39% on the year before, from 2 leases reporting volume.
Meb, LLC holds the most, 2 leases and 10,151 barrels lifetime.
Lifetime, the field has reported 14,227 barrels of oil and 64 mcf of gas.
- 5
- leases on file
- 9
- operators, all time
- 197
- bbl oil, last 12 reported +39%
- 0
- mcf gas, last 12 reported
- 2
- leases reporting volume
- 14.2K
- bbl oil, lifetime · 64 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 197 · prior 12 142(+39%)
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 4
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Meb, LLC | 2 | 10.2K | 0 | Jul 2026 |
| Royal Texas Petro | 1 | 4.08K | 64 | Jun 2018 |
| Escondido Petro Co, Inc | 1 | 0 | 0 | Jan 1996 |
| Hancorp, Inc | 1 | 0 | 0 | Jul 2026 |
Counties
- Bastrop County → 3 leases
- Caldwell County → 2 leases
About this data
Field 28220500 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/28220500, documented in the API reference.