ALSUP

Oil · District 08 · Lease #25294

Operator: STEPHENS, AUTRY C.

Cum Oil

122k BBL

Cum Gas

347k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1997-04

Production History

Cum Oil: 121,505 BBL Cum Gas: 346,680 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,260 BBL/mo

Di (annual)

22.9%

b-factor

0.5

EUR

112,213 BBL

R-squared

0.804

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 DIAMONDBACK E&P LLC 15 mo
2024-05 — 2025-04 DE IV OPERATING, LLC 12 mo
2000-09 — 2024-04 ENDEAVOR ENERGY RESOURCES L.P. 284 mo
1993-06 — 2000-08 STEPHENS, AUTRY C. 87 mo
1993-01 — 1993-05 MWJ PRODUCING COMPANY 5 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC19,3001993-11-19
1DIAMONDBACK E&P LLC18,8501978-09-27