FEE "A"

Oil // district 1 // lease#13218

op: STONEBURNER EXPLORATION, INC.

cum_oil

13k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 1997-06

peak_month

1993-04

-- production_history

cum_oil: 13,131 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

358 BBL/mo

Di (annual)

26.4%

b-factor

0.0

EUR

16,228 BBL

R-squared

0.381

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RGR PRODUCTION110,0001991-04-18
EOF // data source: Texas Railroad Commission // 2026