COOPER -O-

Oil // district 1 // lease#11366

op: LANGLAND OIL, INC.

fields: SOMERSET

cum_oil

743 BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1993-02

-- production_history

cum_oil: 743 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

33 BBL/mo

Di (annual)

41.6%

b-factor

0.0

EUR

935 BBL

R-squared

0.681

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SOMERSET OIL COMPANY12,0001985-07-24
3SOMERSET OIL COMPANY12,0001985-07-24
4SOMERSET OIL COMPANY12,0001985-07-24
EOF // multi-state drilling data platform // 2026