BALES, E. F.

Oil // district 11 // lease#65721

op: WHITE ROCK OIL & GAS, LLC

cum_oil

149k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 148,958 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

795 BBL/mo

Di (annual)

6.3%

b-factor

0.3

EUR

171,376 BBL

R-squared

0.920

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SANTA FE ENERGY CO.15,7001986-01-29
EOF // data source: Texas Railroad Commission // 2026