ROBTANN

Oil // district 8 // lease#28266

op: WALTER EXPLORATION INC.

cum_oil

111k BBL

cum_gas

0 MCF

wells

1

production

1997-07 — 2014-10

peak_month

1997-10

-- production_history

cum_oil: 111,008 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,432 BBL/mo

Di (annual)

17.0%

b-factor

0.2

EUR

124,007 BBL

R-squared

0.846

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WALTER EXPLORATION INC.24,2001997-07-16
EOF // data source: Texas Railroad Commission // 2026