MARSTON, E. J. ESTATE -D-

Oil · District 08 · Lease #31305

Operator: WHITING OIL AND GAS CORPORATION

Cum Oil

3k BBL

Cum Gas

92k MCF

casinghead

Wells

1

Production

1993-01 — 2001-09

Peak Month

1994-10

Production History

Cum Oil: 2,883 BBL Cum Gas: 91,939 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

111 BBL/mo

Di (annual)

437.5%

b-factor

0.0

EUR

305 BBL

R-squared

0.901

type

exponential

Operator History (from monthly production reports)

2005-10 — 2006-02 WHITING OIL AND GAS CORPORATION 5 mo
2004-11 — 2005-09 CELERO ENERGY, L.P. 11 mo
2003-09 — 2004-10 BC OPERATING, INC. 14 mo
1993-01 — 2003-08 CHEVRON U. S. A. INC. 128 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WHITING OIL AND GAS CORPORATION17,5002005-09-27