RETZLOFF TOM-MAY PSA B

Oil · District 01 · Lease #19815

Operator: MARATHON OIL EF LLC

Cum Oil

286k BBL

Cum Gas

391k MCF

casinghead

Wells

1

Production

2019-04 — 2026-04

Peak Month

2019-05

Production History

Cum Oil: 286,483 BBL Cum Gas: 391,083 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,218 BBL/mo

Di (annual)

249.6%

b-factor

0.9

EUR

279,648 BBL

R-squared

0.602

type

hyperbolic

Operator History (from monthly production reports)

2019-04 — 2026-07 MARATHON OIL EF LLC 88 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC120,0002018-12-31