CHALK, MARY -G-

Oil // district 10 // lease#12624

op: MARATHON OIL COMPANY

cum_oil

15k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2012-08

peak_month

1993-10

-- production_history

cum_oil: 15,040 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

90 BBL/mo

Di (annual)

4.7%

b-factor

0.0

EUR

20,766 BBL

R-squared

0.354

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GUTHRIE, A. K. OPERATING CO.11,5001977-09-15
142-227-04138--------
242-227-04141--------
EOF // multi-state drilling data platform // 2026