STONE A

Oil · District 10 · Lease #6990

Operator: PHILLIPS PETROLEUM COMPANY

Cum Oil

23k BBL

Cum Gas

74k MCF

casinghead

Wells

2

Production

1994-06 — 2002-03

Peak Month

1995-08

Production History

Cum Oil: 22,717 BBL Cum Gas: 74,482 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

838 BBL/mo

Di (annual)

81.9%

b-factor

0.6

EUR

27,149 BBL

R-squared

0.853

type

hyperbolic

Operator History (from monthly production reports)

2007-01 — 2026-07 PANTERA ENERGY COMPANY 235 mo
2003-01 — 2006-12 CONOCOPHILLIPS COMPANY 48 mo
1994-06 — 2002-12 PHILLIPS PETROLEUM COMPANY 103 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PANTERA ENERGY COMPANY311,7002008-02-27
4PANTERA ENERGY COMPANY311,7002008-02-27