GROSS-ROBERT-LUNA PSA

Oil · District 02 · Lease #11850

Operator: MARATHON OIL EF LLC

Cum Oil

432k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

2019-09 — 2026-04

Peak Month

2020-01

Production History

Cum Oil: 432,050 BBL Cum Gas: 1,841,737 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,602 BBL/mo

Di (annual)

349.3%

b-factor

0.9

EUR

408,715 BBL

R-squared

0.665

type

hyperbolic

Operator History (from monthly production reports)

2019-09 — 2026-07 MARATHON OIL EF LLC 83 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002019-07-24