WALKER

Oil · District 08 · Lease #31350

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

24k BBL

Cum Gas

15k MCF

casinghead

Wells

1

Production

1993-01 — 2020-09

Peak Month

1994-11

Production History

Cum Oil: 23,585 BBL Cum Gas: 14,628 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

192 BBL/mo

Di (annual)

36.8%

b-factor

1.3

EUR

22,995 BBL

R-squared

0.532

type

hyperbolic

Operator History (from monthly production reports)

2022-05 — 2026-07 MORNINGSTAR OPERATING LLC 51 mo
2022-01 — 2022-04 MORNINGSTAR PARTNERS, L.P. 4 mo
2006-04 — 2021-12 CHEVRON MIDCONTINENT, L.P. 189 mo
2000-06 — 2006-03 PURE RESOURCES, L.P. 70 mo
1993-01 — 2000-05 UNION OIL COMPANY OF CALIFORNIA 89 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MORNINGSTAR OPERATING LLC14,8001987-05-21