< leases

ROGERS

Oil · District 7B · Lease #28196

Operator: TANDEM ENERGY CORPORATION

Fields: GRAFORD (CONGL. 4150)

Cum Oil

13k BBL

Cum Gas

322k MCF

casinghead

Wells

1

Production

1997-05 — 2013-06

Peak Month

2009-03

Production History

Cum Oil: 12,957 BBL Cum Gas: 321,687 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

196 BBL/mo

Di (annual)

18.1%

b-factor

0.0

EUR

12,943 BBL

R-squared

0.602

type

exponential

Operator History (from monthly production reports)

2005-09 — 2016-08 MILLER OPERATING COMPANY LLC 132 mo
2004-10 — 2005-08 HUBER ENERGY L.P. 11 mo
2004-06 — 2004-09 HUBER ENERGY PANHANDLE L.P. 4 mo
2004-04 — 2004-05 HUBER, J. M., CORPORATION 2 mo
1999-05 — 2004-03 CRIMSON ENERGY COMPANY, LC 59 mo
1997-10 — 1999-04 TANDEM ENERGY CORPORATION 19 mo
1997-05 — 1997-09 NORTH RIDGE CORPORATION 5 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
742-363-34072GRAYSTONE OPERATING, LLC24,5001997-06-05