DARBY, LEE ROY

Oil // district 1 // lease#12145

op: THREE FORKS OPERATING CO, LLC

cum_oil

82k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2007-07

-- production_history

cum_oil: 81,854 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

648 BBL/mo

Di (annual)

10.6%

b-factor

0.0

EUR

72,932 BBL

R-squared

0.788

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
306THREE FORKS OPERATING CO, LLC12,5502007-07-25
300THREE FORKS OPERATING CO, LLC43,4002007-02-27
301THREE FORKS OPERATING CO, LLC12,4502007-02-27
2HEARTLAND RESOURCES, INC.12,5001988-09-08
EOF // data source: Texas Railroad Commission // 2026