WILLARD "A"

Oil · District 8A · Lease #61080

Operator: SHELL WESTERN E&P INC.

Fields: WASSON 72

Cum Oil

221k BBL

Cum Gas

62k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2002-10

Production History

Cum Oil: 220,983 BBL Cum Gas: 62,427 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

951 BBL/mo

Di (annual)

6.3%

b-factor

0.0

EUR

174,464 BBL

R-squared

0.360

type

exponential

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8OCCIDENTAL PERMIAN LTD.17,1001978-07-25
7OCCIDENTAL PERMIAN LTD.17,0001977-12-07
6OCCIDENTAL PERMIAN LTD.17,0001977-08-09