TUBB ESTATE 21

Oil // district 10 // lease#37513

op: WHITE OAK OPERATING COMPANY LLC

cum_oil

32k BBL

cum_gas

0 MCF

wells

1

production

2004-12 — 2026-03

peak_month

2004-12

-- production_history

cum_oil: 31,641 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

584 BBL/mo

Di (annual)

59.7%

b-factor

0.9

EUR

36,282 BBL

R-squared

0.494

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HERITAGE STANDARD CORPORATION210,0002004-09-24
EOF // multi-state drilling data platform // 2026