WALLS, H.J.

Oil · District 01 · Lease #12414

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

9k BBL

Cum Gas

4k MCF

casinghead

Wells

1

Production

1993-01 — 1999-01

Peak Month

1993-05

Production History

Cum Oil: 9,461 BBL Cum Gas: 4,281 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

568 BBL/mo

Di (annual)

97.0%

b-factor

0.2

EUR

8,738 BBL

R-squared

0.711

type

hyperbolic

Operator History (from monthly production reports)

1998-06 — 2003-08 CENIZA PETROLEUM, INC. 63 mo
1993-01 — 1998-05 UNION PACIFIC RESOURCES COMPANY 65 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CENIZA PETROLEUM INC.311,0001993-03-26