ZANT 38

Oil · District 08 · Lease #34349

Operator: VALLA ENERGY CORPORATION

Cum Oil

29k BBL

Cum Gas

98k MCF

casinghead

Wells

2

Production

1994-11 — 2013-03

Peak Month

1994-12

Production History

Cum Oil: 28,906 BBL Cum Gas: 98,498 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,007 BBL/mo

Di (annual)

45.6%

b-factor

0.3

EUR

37,552 BBL

R-squared

0.366

type

hyperbolic

Operator History (from monthly production reports)

2002-06 — 2015-08 ROBERTSON RESOURCES, INC. 159 mo
2000-09 — 2002-05 VALLA ENERGY CORPORATION 21 mo
1997-04 — 2000-08 MCDONNOLD OPERATING, INC. 41 mo
1994-11 — 1997-03 COBRA OIL & GAS CORPORATION 29 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FLAT TOP OPERATING, LLC511,3002013-06-17
1RFLAT TOP OPERATING, LLC511,3002013-06-17