< leases

GUTHRIE UNIT

Oil · District 7B · Lease #28458

Operator: WHITING OIL AND GAS CORPORATION

Fields: WEAVER SPRINGS (PALO PINTO)

Cum Oil

33k BBL

Cum Gas

9k MCF

casinghead

Wells

1

Production

1998-04 — 2003-08

Peak Month

1998-05

Production History

Cum Oil: 33,280 BBL Cum Gas: 8,561 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,773 BBL/mo

Di (annual)

124.0%

b-factor

0.0

EUR

36,547 BBL

R-squared

0.494

type

exponential

Operator History (from monthly production reports)

2005-04 — 2013-06 SOJOURNER DRILLING CORPORATION 99 mo
2004-10 — 2005-03 WHITING OIL AND GAS CORPORATION 6 mo
2003-10 — 2004-09 CROWNQUEST OPERATING, LLC 12 mo
2000-01 — 2003-09 L.C.S. PRODUCTION COMPANY 45 mo
1998-04 — 1999-12 HALLWOOD PETROLEUM, INC. 21 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-353-32534SOJOURNER DRILLING CORPORATION25,7001997-03-19