UNIVERSITY "13-2"

Oil · District 7C · Lease #10800

Operator: STEPHENS, AUTRY C.

Cum Oil

27k BBL

Cum Gas

145k MCF

casinghead

Wells

3

Production

1993-01 — 2021-01

Peak Month

1996-06

Production History

Cum Oil: 26,830 BBL Cum Gas: 144,874 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

767 BBL/mo

Di (annual)

81.9%

b-factor

0.7

EUR

28,707 BBL

R-squared

0.592

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2025-08 DIAMONDBACK E&P LLC 8 mo
2000-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 292 mo
1995-03 — 2000-08 STEPHENS, AUTRY C. 66 mo
1993-01 — 1995-02 ANTHONY, BOB G. INC. 26 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC18,0001996-02-08
1WDIAMONDBACK E&P LLC13,6001986-03-27
1DIAMONDBACK E&P LLC17,8001984-02-27