WHITWORTH UNIT

Oil // district 8 // lease#28568

op: SINCLAIR OIL CORPORATION

cum_oil

3k BBL

cum_gas

0 MCF

wells

1

production

1998-03 — 2004-04

peak_month

1998-05

-- production_history

cum_oil: 2,948 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

356 BBL/mo

Di (annual)

303.3%

b-factor

0.4

EUR

2,288 BBL

R-squared

0.701

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SAN ANTONIO GAS & OIL, INC.36,6501999-01-12
EOF // data source: Texas Railroad Commission // 2026