STEPHENSON

Oil // district 6 // lease#12817

op: SHELBY OPERATING COMPANY

cum_oil

48k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

2000-01

-- production_history

cum_oil: 47,636 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,451 BBL/mo

Di (annual)

755.6%

b-factor

1.0

EUR

13,752 BBL

R-squared

0.590

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SHELBY OPERATING COMPANY410,0001999-12-13
EOF // data source: Texas Railroad Commission // 2026