YARBAR

Oil · District 08 · Lease #36953

Operator: WHITING OIL AND GAS CORPORATION

Cum Oil

497k BBL

Cum Gas

432k MCF

casinghead

Wells

6

Production

2002-10 — 2006-05

Peak Month

2003-07

Production History

Cum Oil: 496,737 BBL Cum Gas: 432,314 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

32,408 BBL/mo

Di (annual)

113.5%

b-factor

0.1

EUR

380,957 BBL

R-squared

0.986

type

hyperbolic

Operator History (from monthly production reports)

2004-10 — 2006-08 WHITING OIL AND GAS CORPORATION 23 mo
2003-10 — 2004-09 CROWNQUEST OPERATING, LLC 12 mo
2002-10 — 2003-09 L.C.S. PRODUCTION COMPANY 12 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6APEX RESOURCES LLC15,9992003-02-20
5APEX RESOURCES LLC15,9992002-12-17
4APEX RESOURCES LLC15,9992002-11-06
3APEX RESOURCES LLC25,9992002-10-28
2APEX RESOURCES LLC15,9992002-10-16
1APEX RESOURCES LLC15,9992002-09-05