ANGERSTEIN

Oil // district 2 // lease#376

op: THUNDERBIRD ENERGY, INC.

cum_oil

17k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1997-01

-- production_history

cum_oil: 16,524 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

316 BBL/mo

Di (annual)

20.4%

b-factor

0.0

EUR

18,494 BBL

R-squared

0.386

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5MINER, R. C. INC.17,7501989-12-22
2COX, EDWIN L. & HAMON, JAKE L.17,6711984-01-23
4COX, EDWIN L.17,7001980-08-07
EOF // data source: Texas Railroad Commission // 2026