TAYLOR-MASSENGALE ALLOCATION D

Oil · District 02 · Lease #11294

Operator: MARATHON OIL EF LLC

Cum Oil

121k BBL

Cum Gas

324k MCF

casinghead

Wells

1

Production

2016-04 — 2026-01

Peak Month

2016-05

Production History

Cum Oil: 121,317 BBL Cum Gas: 323,743 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,170 BBL/mo

Di (annual)

295.5%

b-factor

0.8

EUR

87,495 BBL

R-squared

0.650

type

hyperbolic

Operator History (from monthly production reports)

2016-04 — 2026-07 MARATHON OIL EF LLC 124 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC116,5002015-12-09