DRIESCHNER "A"

Oil // district 13 // lease#29370

op: TRIO OPERATING COMPANY, INC.

cum_oil

14k BBL

cum_gas

0 MCF

wells

1

production

1997-06 — 2003-12

peak_month

1997-08

-- production_history

cum_oil: 14,399 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,023 BBL/mo

Di (annual)

173.5%

b-factor

0.6

EUR

16,445 BBL

R-squared

0.881

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TRIO OPERATING COMPANY, INC.18,4001997-03-21
EOF // data source: Texas Railroad Commission // 2026