ZWIEFEL UNIT

Oil · District 03 · Lease #22172

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Fields: KURTEN (BUDA)

Cum Oil

122k BBL

Cum Gas

59k MCF

casinghead

Wells

1

Production

1993-09 — 2012-05

Peak Month

1993-10

Production History

Cum Oil: 121,622 BBL Cum Gas: 58,759 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,478 BBL/mo

Di (annual)

100.6%

b-factor

0.3

EUR

161,375 BBL

R-squared

0.416

type

hyperbolic

Operator History (from monthly production reports)

1993-09 — 2015-02 WILLIAMS, CLAYTON ENERGY, INC. 258 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WILLIAMS CLAYTON ENERGY INC.18,5001993-08-10