SPEARMAN, ROBERT "B"

Oil · District 03 · Lease #13955

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

28k BBL

Cum Gas

15k MCF

casinghead

Wells

2

Production

1993-01 — 2001-02

Peak Month

1995-06

Production History

Cum Oil: 28,406 BBL Cum Gas: 14,983 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

593 BBL/mo

Di (annual)

33.3%

b-factor

0.0

EUR

21,334 BBL

R-squared

0.493

type

exponential

Operator History (from monthly production reports)

2002-12 — 2004-05 ANADARKO E&P COMPANY LP 18 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1993-01 — 2001-01 UNION PACIFIC RESOURCES COMPANY 97 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ANADARKO E&P COMPANY LP27,5801983-08-12
1RME PETROLEUM COMPANY27,5201981-03-09