RIGGS "A"

Oil · District 01 · Lease #12841

Operator: HANSON OPERATING COMPANY, INC.

Cum Oil

28k BBL

Cum Gas

7k MCF

casinghead

Wells

1

Production

1993-01 — 2000-09

Peak Month

1993-07

Production History

Cum Oil: 27,523 BBL Cum Gas: 7,165 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

640 BBL/mo

Di (annual)

43.1%

b-factor

0.0

EUR

17,773 BBL

R-squared

0.601

type

exponential

Operator History (from monthly production reports)

1993-01 — 2001-03 HANSON OPERATING COMPANY, INC. 99 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HANSON OPERATING COMPANY INC.36,0001990-10-01