< leases

ANDREWS UNIVERSITY 29

Oil · District 08 · Lease #39522

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

198k BBL

Cum Gas

607k MCF

casinghead

Wells

8

Production

2009-06 — 2026-04

Peak Month

2010-10

Production History

Cum Oil: 198,073 BBL Cum Gas: 607,275 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,341 BBL/mo

Di (annual)

47.7%

b-factor

0.2

EUR

199,381 BBL

R-squared

0.932

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
2009-06 — 2017-03 WILLIAMS, CLAYTON ENERGY, INC. 94 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-003-41038SABALO II OPERATING, LLC211,5002011-07-29
542-003-41269SABALO II OPERATING, LLC211,7502011-07-29
342-003-41039SABALO II OPERATING, LLC211,5002010-06-14
642-003-41270SABALO II OPERATING, LLC211,7502009-10-26
742-003-41271SABALO II OPERATING, LLC211,7502009-10-26
842-003-41276SABALO II OPERATING, LLC111,7502009-10-26
442-003-41040SABALO II OPERATING, LLC111,5002009-06-08
142-003-40512SABALO II OPERATING, LLC211,5002008-05-30