CHALK, MARY

Oil // district 10 // lease#41716

op: LEGACY RESERVES OPERATING LP

cum_oil

60k BBL

cum_gas

0 MCF

wells

10

production

2011-12 — 2026-03

peak_month

2025-04

-- production_history

cum_oil: 59,714 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

522 BBL/mo

Di (annual)

96.0%

b-factor

0.0

EUR

6,519 BBL

R-squared

0.445

type

exponential

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12GUTHRIE, A. K. OPERATING CO.11,6111981-10-05
142-227-04132--------
1042-227-10133--------
1142-227-10134--------
342-227-04143--------
442-227-04146--------
542-227-04147--------
642-227-04148--------
742-227-04149--------
842-227-04150--------
EOF // multi-state drilling data platform // 2026