STEPHAN

Oil // district 8 // lease#26046

op: STUBBLEFIELD ENERGY COMPANY

cum_oil

61k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 60,977 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

245 BBL/mo

Di (annual)

3.8%

b-factor

0.0

EUR

66,076 BBL

R-squared

0.478

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WITRACKER MINERAL33,0002000-07-07
1OHLHAUSEN OIL COMPANY12,5001990-08-03
EOF // data source: Texas Railroad Commission // 2026