WHEELER "B"

Oil · District 03 · Lease #21587

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

52k BBL

Cum Gas

476k MCF

casinghead

Wells

1

Production

1993-01 — 2003-08

Peak Month

1994-06

Production History

Cum Oil: 52,384 BBL Cum Gas: 476,280 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

999 BBL/mo

Di (annual)

35.2%

b-factor

0.0

EUR

34,020 BBL

R-squared

0.449

type

exponential

Operator History (from monthly production reports)

2007-08 — 2011-03 ENERVEST OPERATING, L.L.C. 44 mo
2002-12 — 2007-07 ANADARKO E&P COMPANY LP 56 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1993-01 — 2001-01 UNION PACIFIC RESOURCES COMPANY 97 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ENERVEST OPERATING L.L.C.113,3001992-02-27