COOK, E. ESTATE

Oil // district 11 // lease#68127

op: TEXLAND-RECTOR & SCHUMACHER

cum_oil

80k BBL

cum_gas

0 MCF

wells

3

production

1999-08 — 2026-03

peak_month

2000-04

-- production_history

cum_oil: 80,145 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,521 BBL/mo

Di (annual)

54.6%

b-factor

0.3

EUR

78,779 BBL

R-squared

0.828

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3TEXLAND-RECTOR & SCHUMACHER26,7002005-11-30
1TEXLAND-RECTOR & SCHUMACHER26,7002000-02-14
2TEXLAND-RECTOR & SCHUMACHER26,7001999-04-27
EOF // data source: Texas Railroad Commission // 2026