ZACHARY ESTATE

Oil · District 08 · Lease #34887

Operator: MAS OPERATING CO.

Cum Oil

83k BBL

Cum Gas

616k MCF

casinghead

Wells

2

Production

1996-03 — 2015-08

Peak Month

2014-02

Production History

Cum Oil: 82,966 BBL Cum Gas: 616,085 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,240 BBL/mo

Di (annual)

56.5%

b-factor

0.2

EUR

32,829 BBL

R-squared

0.639

type

hyperbolic

Operator History (from monthly production reports)

2004-08 — 2017-03 MAS OPERATING CO. 152 mo
1999-01 — 2004-07 DAN MAR WELL SERVICE 67 mo
1996-03 — 1998-12 DUDLEY OIL CO. 34 mo

Wells (2)

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