PIETSCH-ZINGELMANN UNIT

Oil // district 3 // lease#21497

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

cum_oil

257k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2018-10

peak_month

1993-07

-- production_history

cum_oil: 257,424 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,784 BBL/mo

Di (annual)

92.6%

b-factor

0.4

EUR

166,163 BBL

R-squared

0.825

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WILLIAMS, CLAYTON W., JR., INC.110,7001993-04-09
1WILLIAMS, CLAYTON W., JR., INC.110,4751992-02-24
EOF // data source: Texas Railroad Commission // 2026