LOCKHART

Oil // district 10 // lease#4084

op: WINN OPERATING, LLC

cum_oil

134k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1993-06

-- production_history

cum_oil: 134,260 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,593 BBL/mo

Di (annual)

61.6%

b-factor

1.0

EUR

174,768 BBL

R-squared

0.933

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SHELL OIL COMPANY28,8502014-01-17
9SHELL OIL COMPANY28,8542009-08-28
12CROSS TIMBERS PRODUCTION COMPANY28,8481995-11-21
642-003-05243--------
EOF // data source: Texas Railroad Commission // 2026