HOLZMARK

Oil · District 02 · Lease #8166

Operator: HYDROCARBON OPERATING, INC.

Cum Oil

5k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

1996-03 — 1998-02

Peak Month

1996-07

Production History

Cum Oil: 5,112 BBL Cum Gas: 1,025 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,159 BBL/mo

Di (annual)

426.9%

b-factor

0.0

EUR

3,290 BBL

R-squared

0.831

type

exponential

Operator History (from monthly production reports)

1998-07 — 2003-08 CUMMINS & WALKER OIL CO., INC. 62 mo
1997-02 — 1998-06 ACOCK ENGINEERING & ASSOC., INC. 17 mo
1996-03 — 1997-01 HYDROCARBON OPERATING, INC. 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CUMMINS & WALKER OIL CO. INC.18,2001996-02-01