CHALK, MARY

Oil // district 10 // lease#10116

op: MARATHON OIL COMPANY

cum_oil

63k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2012-09

peak_month

1998-03

-- production_history

cum_oil: 63,401 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

458 BBL/mo

Di (annual)

7.5%

b-factor

0.0

EUR

71,182 BBL

R-squared

0.436

type

exponential

-- wells (7)

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