MARATHON

Oil · District 8A · Lease #64574

Operator: WALKABOUT OPERATING, LLC

Fields: LEVELLAND

Cum Oil

79k BBL

Cum Gas

35k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2011-03

Production History

Cum Oil: 79,447 BBL Cum Gas: 35,005 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

530 BBL/mo

Di (annual)

40.5%

b-factor

0.8

EUR

39,977 BBL

R-squared

0.922

type

hyperbolic

Operator History (from monthly production reports)

2025-12 — 2026-07 AVIATOR ENERGY, LLC 8 mo
2023-12 — 2025-11 SIERRA LIMA OIL & GAS, LLC 24 mo
2021-06 — 2023-11 WALKABOUT OPERATING, LLC 30 mo
1993-01 — 2021-05 ROGERS, S. K. OIL, INC. 341 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2AVIATOR ENERGY, LLC15,0001983-11-17
1AVIATOR ENERGY, LLC15,0001983-09-29