WALKER-BUCKLER "135" UNIT

Oil // district 8 // lease#28886

op: VAN OPERATING, LTD.

fields: SHERI (CADDO)

cum_oil

62k BBL

cum_gas

0 MCF

wells

1

production

2000-10 — 2022-05

peak_month

2000-12

-- production_history

cum_oil: 62,075 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,554 BBL/mo

Di (annual)

39.6%

b-factor

0.2

EUR

58,652 BBL

R-squared

0.887

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VAN OPERATING, LTD.25,0002000-10-27
EOF // data source: Texas Railroad Commission // 2026