BELCHER B57 UNIT

Oil // district 3 // lease#23589

op: TEXCAL ENERGY (GP) LLC

cum_oil

191k BBL

cum_gas

0 MCF

wells

1

production

1998-08 — 2026-03

peak_month

1998-10

-- production_history

cum_oil: 191,339 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,187 BBL/mo

Di (annual)

33.8%

b-factor

0.2

EUR

185,533 BBL

R-squared

0.845

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TEXCAL ENERGY (GP) LLC66,5002010-06-01
EOF // data source: Texas Railroad Commission // 2026