RITCHEY

Oil · District 03 · Lease #22232

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

117k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

1993-11 — 2013-06

Peak Month

1993-12

Production History

Cum Oil: 117,119 BBL Cum Gas: 1,111,337 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,181 BBL/mo

Di (annual)

207.0%

b-factor

0.5

EUR

93,172 BBL

R-squared

0.783

type

hyperbolic

Operator History (from monthly production reports)

2007-08 — 2014-10 ENERVEST OPERATING, L.L.C. 87 mo
2002-12 — 2007-07 ANADARKO E&P COMPANY LP 56 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1997-03 — 2001-01 UNION PACIFIC RESOURCES COMPANY 47 mo
1993-11 — 1997-02 BEXCO OPERATING, INC. 40 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENERVEST OPERATING L.L.C.214,0891993-09-21