STONE A

Oil // district 14 // lease#6990

op: PHILLIPS PETROLEUM COMPANY

cum_oil

23k BBL

cum_gas

0 MCF

wells

2

production

1994-06 — 2026-03

peak_month

1994-12

-- production_history

cum_oil: 22,717 BBL cum_gas: 0 MCF

-- 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

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PHILLIPS PETROLEUM COMPANY311,7002008-02-27
4PHILLIPS PETROLEUM COMPANY311,7002008-02-27
EOF // data source: Texas Railroad Commission // 2026