ZACHARY ESTATE

Oil · District 08 · Lease #48041

Operator: MAS OPERATING CO.

Cum Oil

47k BBL

Cum Gas

275k MCF

casinghead

Wells

2

Production

2015-09 — 2026-04

Peak Month

2017-01

Production History

Cum Oil: 47,258 BBL Cum Gas: 275,450 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

542 BBL/mo

Di (annual)

11.5%

b-factor

0.0

EUR

56,235 BBL

R-squared

0.518

type

exponential

Operator History (from monthly production reports)

2015-09 — 2026-07 MAS OPERATING CO. 131 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAS OPERATING CO.25,2802015-03-27
2MAS OPERATING CO.16,0002008-02-21