WILLCOCKSON "A"

Oil · District 7C · Lease #9059

Operator: SPROUL, C. R. INC.

Cum Oil

10k BBL

Cum Gas

91 MCF

casinghead

Wells

1

Production

1993-01 — 2002-06

Peak Month

1998-04

Production History

Cum Oil: 9,735 BBL Cum Gas: 91 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

103 BBL/mo

Di (annual)

16.7%

b-factor

0.0

EUR

7,285 BBL

R-squared

0.405

type

exponential

Operator History (from monthly production reports)

1998-11 — 2026-07 PERIMETER RESOURCE COMPANY 333 mo
1993-01 — 1998-10 SPROUL, C. R. INC. 70 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PERIMETER RESOURCE COMPANY16,6001981-02-12