HUFSTEDLER

Oil // district 11 // lease#68351

op: WHITE ROCK OIL & GAS, LLC

cum_oil

353k BBL

cum_gas

0 MCF

wells

4

production

2001-09 — 2026-03

peak_month

2002-05

-- production_history

cum_oil: 353,028 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,257 BBL/mo

Di (annual)

24.1%

b-factor

0.0

EUR

261,728 BBL

R-squared

0.452

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DEVON SFS OPERATING, INC.57,5002004-04-14
1RDEVON SFS OPERATING, INC.57,5002004-04-14
2DEVON SFS OPERATING, INC.47,5002003-12-05
2HDEVON SFS OPERATING, INC.47,5002003-12-05
EOF // data source: Texas Railroad Commission // 2026