PRYOR

Oil // district 6 // lease#12005

op: WINCHESTER PRODUCTION COMPANY

cum_oil

76k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

2015-09

-- production_history

cum_oil: 76,124 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

224 BBL/mo

Di (annual)

8.3%

b-factor

0.0

EUR

31,850 BBL

R-squared

0.382

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHELBY, MICHAEL H.16,3001986-04-15
EOF // data source: Texas Railroad Commission // 2026