ARMSTRONG, ELIZABETH M., ET AL

Oil · District 08 · Lease #18912

Operator: CITATION OIL & GAS CORP.

Cum Oil

555k BBL

Cum Gas

29k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 554,737 BBL Cum Gas: 29,019 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,103 BBL/mo

Di (annual)

297.3%

b-factor

1.7

EUR

207,628 BBL

R-squared

0.755

type

hyperbolic

Operator History (from monthly production reports)

2014-10 — 2026-07 CITATION OIL & GAS CORP. 142 mo
2014-02 — 2014-09 CAPSTONE NATURAL RESOURCES, LLC 8 mo
2008-12 — 2014-01 BOPCO, L.P. 62 mo
2007-01 — 2008-11 BEPCO, L.P. 23 mo
1993-01 — 2006-12 BASS ENTERPRISES PRODUCTION CO. 168 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5CITATION OIL & GAS CORP.27,0001982-04-22
242-003-01172CITATION OIL & GAS CORP.------