ENSERCH

Gas · District 7B · Lease #128857

Operator: SIERRA OIL COMPANY

Cum Oil

0 BBL

Cum Gas

59k MCF

Wells

1

Production

1993-01 — 2025-09

Peak Month

1993-09

Production History

Cum Oil: 0 BBL Cum Gas: 58,871 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2024-09 — 2026-07 BLACKBIRD R 22 OG L.L.C. 23 mo
2004-09 — 2024-08 KORNYE-TILLMAN COMPANY 240 mo
1993-01 — 2004-08 SIERRA OIL COMPANY 140 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3BLACKBIRD R 22 OG L.L.C.13,9001988-09-22