WILLARD "C"

Oil · District 8A · Lease #61082

Operator: SHELL WESTERN E&P INC.

Fields: WASSON 72

Cum Oil

112k BBL

Cum Gas

127k MCF

casinghead

Wells

1

Production

1993-01 — 2010-05

Peak Month

1999-05

Production History

Cum Oil: 111,884 BBL Cum Gas: 126,915 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,143 BBL/mo

Di (annual)

14.0%

b-factor

0.2

EUR

118,859 BBL

R-squared

0.665

type

hyperbolic

Operator History (from monthly production reports)

2000-05 — 2026-07 OCCIDENTAL PERMIAN LTD. 315 mo
1997-03 — 2000-04 ALTURA ENERGY LTD. 38 mo
1993-01 — 1997-02 SHELL WESTERN E&P INC. 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3OCCIDENTAL PERMIAN LTD.15,3001977-08-09