ANDREWS UNIVERSITY 33-28B

Oil · District 08 · Lease #61211

Operator: SABALO II OPERATING, LLC

Cum Oil

172k BBL

Cum Gas

113k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2023-01

Production History

Cum Oil: 171,551 BBL Cum Gas: 112,543 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,940 BBL/mo

Di (annual)

286.4%

b-factor

0.9

EUR

261,757 BBL

R-squared

0.944

type

hyperbolic

Operator History (from monthly production reports)

2024-06 — 2026-07 SABALO II OPERATING, LLC 26 mo
2022-12 — 2024-05 MONTROSE OPERATING LLC 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HSABALO II OPERATING, LLC310,1292022-07-22