ARMSTRONG, ELIZABETH -D-

Oil · District 08 · Lease #8864

Operator: WESTPORT OIL AND GAS COMPANY, LP

Cum Oil

120k BBL

Cum Gas

125k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

1995-09

Production History

Cum Oil: 119,889 BBL Cum Gas: 125,460 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

546 BBL/mo

Di (annual)

6.3%

b-factor

0.0

EUR

99,506 BBL

R-squared

0.434

type

exponential

Operator History (from monthly production reports)

2021-01 — 2026-07 RING ENERGY, INC. 67 mo
2019-06 — 2020-12 VIN FISHER OPERATING, INC. 19 mo
2015-01 — 2019-05 BREITBURN OPERATING L.P. 53 mo
2010-09 — 2014-12 QUANTUM RESOURCES MANAGEMENT,LLC 52 mo
2005-12 — 2010-08 ENCORE OPERATING, L.P. 57 mo
2002-03 — 2005-11 WESTPORT OIL AND GAS COMPANY, LP 45 mo
1998-09 — 2002-02 BELCO ENERGY CORP. 42 mo
1993-01 — 1998-08 CODA ENERGY, INC. 68 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RING ENERGY, INC.15,0001994-12-05
4RING ENERGY, INC.14,8001979-04-30
142-003-03453RING ENERGY, INC.------
242-003-03459RING ENERGY, INC.------
342-003-03464RING ENERGY, INC.------