DEATHERAGE -B-

Oil // district 10 // lease#23313

op: STEPHENS, AUTRY C.

cum_oil

46k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2017-05

peak_month

2002-09

-- production_history

cum_oil: 45,934 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

274 BBL/mo

Di (annual)

8.8%

b-factor

0.0

EUR

36,971 BBL

R-squared

0.315

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4UNION TEXAS PETROLEUM CORP.19,3001989-11-20
342-317-31148--------
EOF // data source: Texas Railroad Commission // 2026