PHILLIPS-APPELT UNIT

Oil // district 3 // lease#21804

op: WILLIAMS, CLAYTON W., JR., INC.

cum_oil

202k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 202,004 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

9,699 BBL/mo

Di (annual)

135.6%

b-factor

0.6

EUR

196,782 BBL

R-squared

0.977

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WILLIAMS, CLAYTON W., JR., INC.111,1001992-06-24
EOF // data source: Texas Railroad Commission // 2026