LANGFORD ET AL

Oil // district 10 // lease#37440

op: STALEY OPERATING CO.

cum_oil

54k BBL

cum_gas

0 MCF

wells

2

production

2004-09 — 2026-03

peak_month

2004-10

-- production_history

cum_oil: 54,117 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,072 BBL/mo

Di (annual)

23.2%

b-factor

0.0

EUR

55,303 BBL

R-squared

0.820

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5STALEY OPERATING CO.14,6002006-04-25
4STALEY OPERATING CO.24,6002004-07-07
EOF // data source: Texas Railroad Commission // 2026