GEORGE, -W-

Oil // district 13 // lease#16741

op: MARSHALL ENERGY, INC.

cum_oil

18k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

1997-07

-- production_history

cum_oil: 17,837 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

133 BBL/mo

Di (annual)

15.8%

b-factor

0.3

EUR

13,541 BBL

R-squared

0.580

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1AMARSHALL ENERGY, INC.11,9001985-11-04
2AMARSHALL ENERGY, INC.11,9001985-11-04
3MARSHALL ENERGY, INC.11,9001985-11-04
18DARDEN, R. W.11,7501977-06-23
142-485-31055--------
542-485-91491--------
642-485-33752--------
EOF // multi-state drilling data platform // 2026