FIELDS · TEXAS · FIELD 83490410

Sierra (Strawn)

Field · District 7B · Eastland County · Strawn in every state →

Sierra (Strawn) is an RRC field with 5 leases on file reported by 6 operators, in Eastland County.

In the 12 months reported through April 2026 it produced 20 mcf of gas, down 94% on the year before, from 1 leases reporting volume.

Heritage Petroleum Corporation holds the most, 2 leases and 12,354 barrels lifetime.

Lifetime, the field has reported 18,639 barrels of oil and 98,198 mcf of gas, across 3 oil and 2 gas leases.

5
leases on file · 3 oil, 2 gas
1
leases reporting volume
6
operators, all time
0
active wellbores of 1 · 0 operators today
0
bbl oil, 12 months through Apr 2026
20
Mcf gas, same 12 months · −94%
18,639
bbl oil, lifetime · 98,198 Mcf gas

Every well completed in it, searchable →

Reported production by month

Last 12 months 20 · prior 12 323(-94%)

0100200300201820192020202120222023202420252026

Sierra (Strawn): Gas by month.

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 4

OperatorLeasesOil, bblGas, McfLast reported
Heritage Petroleum Corporation212.4K52.6KJul 2026
Kornye-Tillman Company16.29K28.4KApr 2010
Blackbird R 22 OG L.L.C.1017.1KJul 2026
Supreme Energy Company, Inc.10126Oct 1998

All 5 leases in Sierra (Strawn), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Sovereign -B- #4Heritage Petroleum CorporationEastlandMar 8, 1994—00

About this data

Field 83490410 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, Strawn, is read from the field's name. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/tx/83490410, documented in the API reference.