ANDREWS UNIVERSITY 28

Oil · District 08 · Lease #38985

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Cum Oil

522k BBL

Cum Gas

1.8M MCF

casinghead

Wells

16

Production

2008-06 — 2026-04

Peak Month

2012-08

Production History

Cum Oil: 521,832 BBL Cum Gas: 1,812,884 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,845 BBL/mo

Di (annual)

62.7%

b-factor

0.2

EUR

402,914 BBL

R-squared

0.929

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
2008-06 — 2017-03 WILLIAMS, CLAYTON ENERGY, INC. 106 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10SABALO II OPERATING, LLC111,5002011-02-10
15SABALO II OPERATING, LLC111,5002010-12-30
16SABALO II OPERATING, LLC111,5002010-12-30
9SABALO II OPERATING, LLC111,5002010-12-30
5SABALO II OPERATING, LLC211,7502010-11-22
11SABALO II OPERATING, LLC111,5002010-08-17
12SABALO II OPERATING, LLC111,7002010-08-17
14SABALO II OPERATING, LLC111,7002010-08-17
13SABALO II OPERATING, LLC111,7002010-07-23
3SABALO II OPERATING, LLC311,5002010-07-19
2SABALO II OPERATING, LLC311,5002010-06-24
4SABALO II OPERATING, LLC211,7502009-10-23
6SABALO II OPERATING, LLC211,7502009-10-23
7SABALO II OPERATING, LLC211,7502009-10-23
8SABALO II OPERATING, LLC111,7502009-10-23
1SABALO II OPERATING, LLC110,7002008-02-28