MASHBURN

Oil · District 08 · Lease #6499

Operator: STEPHENS, AUTRY C.

Cum Oil

147k BBL

Cum Gas

307k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 146,545 BBL Cum Gas: 307,087 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2000-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 292 mo
1996-01 — 2000-08 STEPHENS, AUTRY C. 56 mo
1994-06 — 1995-12 ALTO MINERALS, INC. 19 mo
1993-01 — 1994-05 SNYDER OIL CORPORATION 17 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6DIAMONDBACK E&P LLC212,0002014-01-31
5DIAMONDBACK E&P LLC312,0002012-05-29
2DIAMONDBACK E&P LLC111,0001996-07-15
2WDIAMONDBACK E&P LLC111,0001996-07-15
142-329-01296DIAMONDBACK E&P LLC------
342-329-01404DIAMONDBACK E&P LLC------