SHACKELFORD

Oil // district 10 // lease#33001

op: SUMMIT PETROLEUM LLC

cum_oil

122k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 122,079 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,827 BBL/mo

Di (annual)

40.2%

b-factor

0.3

EUR

119,280 BBL

R-squared

0.975

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HENRY PETROLEUM CORP.18,7351990-11-07
3HENRY PETROLEUM CORP.18,7351990-11-07
1HENRY PETROLEUM CORP.18,7351990-10-25
EOF // multi-state drilling data platform // 2026