ANDREWS UNIVERSITY 26-4

Oil · District 08 · Lease #41142

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Cum Oil

111k BBL

Cum Gas

251k MCF

casinghead

Wells

2

Production

2011-05 — 2026-04

Peak Month

2012-01

Production History

Cum Oil: 110,571 BBL Cum Gas: 250,788 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,449 BBL/mo

Di (annual)

28.5%

b-factor

0.6

EUR

118,613 BBL

R-squared

0.670

type

hyperbolic

Operator History (from monthly production reports)

2024-06 — 2026-07 SABALO II OPERATING, LLC 26 mo
2021-09 — 2024-05 MONTROSE OPERATING LLC 33 mo
2017-10 — 2021-08 THRONE PETROLEUM RESOURCES LLC 47 mo
2017-04 — 2017-09 NBL PERMIAN LLC 6 mo
2011-05 — 2017-03 WILLIAMS, CLAYTON ENERGY, INC. 71 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SABALO II OPERATING, LLC111,6002011-08-09
1SABALO II OPERATING, LLC111,5002011-01-03