FIELDS · TEXAS · FIELD 53009500
Lehn-Apco, South (Ellen)
Field · District 08 · Pecos County
Lehn-Apco, South (Ellen) is an RRC field with 7 leases on file reported by 6 operators, in Pecos County.
In the 12 months reported through April 2026 it produced 4,035 barrels of oil, down 20% on the year before, from 2 leases reporting volume.
Olsen Energy Inc. holds the most, 4 leases and 84,371 barrels lifetime.
Lifetime, the field has reported 95,685 barrels of oil and 22,612 mcf of gas.
- 7
- leases on file
- 2
- leases reporting volume
- 6
- operators, all time
- 0
- active wellbores of 6 · 0 operators today
- 4,035
- bbl oil, 12 months through Apr 2026 · −20%
- 0
- Mcf gas, same 12 months
- 95,685
- bbl oil, lifetime · 22,612 Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 4,035 · prior 12 5,070(-20%)
Lehn-Apco, South (Ellen): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 4
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Olsen Energy Inc. | 4 | 84.4K | 17.4K | Jul 2026 |
| MBR Resources, Inc. | 1 | 8.15K | 4.72K | May 1997 |
| Pedco Resources Company | 1 | 3K | 493 | Mar 2008 |
| Unit Petroleum Company | 1 | 170 | 0 | Jul 2009 |
Counties
- Pecos County → 7 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Taft #2 | Unit Petroleum Company | Pecos | Aug 14, 1979 | — | 0 | 0 |
| Chalkley a #1 C | Olsen Energy Inc. | Pecos | Mar 19, 1978 | — | 0 | 0 |
| Chalkley #4 | Olsen Energy Inc. | Pecos | Feb 3, 1978 | — | 0 | 0 |
| Chalkley #2 C | Olsen Energy Inc. | Pecos | Aug 28, 1977 | — | 0 | 0 |
| Merchant State #1 | Olsen Energy Inc. | Pecos | Jun 9, 1977 | — | 0 | 0 |
| Chalkley #1 | Olsen Energy Inc. | Pecos | Jan 25, 1977 | — | 0 | 0 |
About this data
Field 53009500 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. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/53009500, documented in the API reference.