RIES "A"

Oil · District 03 · Lease #14722

Operator: VALENCE OPERATING COMPANY

Cum Oil

220 BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

1993-01 — 1997-12

Peak Month

1994-06

Production History

Cum Oil: 220 BBL Cum Gas: 2,534 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6 BBL/mo

Di (annual)

22.9%

b-factor

0.0

EUR

272 BBL

R-squared

0.310

type

exponential

Operator History (from monthly production reports)

1998-07 — 1998-12 DOUGLAS PETROLEUM INC. 6 mo
1993-01 — 1998-06 VALENCE OPERATING COMPANY 66 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DOUGLAS PETROLEUM INC.19,5001981-08-07