WEBB "A"

Oil · District 8A · Lease #62520

Operator: GRAHAM ROYALTY, LTD.

Cum Oil

10k BBL

Cum Gas

4k MCF

casinghead

Wells

1

Production

1993-01 — 1996-07

Peak Month

1993-01

Production History

Cum Oil: 9,765 BBL Cum Gas: 3,746 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

288 BBL/mo

Di (annual)

14.8%

b-factor

0.0

EUR

23,262 BBL

R-squared

0.515

type

exponential

Operator History (from monthly production reports)

1993-04 — 1996-10 E.G. OPERATING 43 mo
1993-01 — 1993-03 GRAHAM ROYALTY, LTD. 3 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PRIZE OPERATING COMPANY511,5002004-06-01