DEATLEY-MAY UNIT B

Oil · District 01 · Lease #15681

Operator: MARATHON OIL EF LLC

Cum Oil

170k BBL

Cum Gas

269k MCF

casinghead

Wells

1

Production

2011-08 — 2024-07

Peak Month

2011-11

Production History

Cum Oil: 169,662 BBL Cum Gas: 269,094 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,044 BBL/mo

Di (annual)

165.4%

b-factor

0.2

EUR

54,822 BBL

R-squared

0.892

type

hyperbolic

Operator History (from monthly production reports)

2011-11 — 2026-07 MARATHON OIL EF LLC 177 mo
2011-08 — 2011-10 HILCORP ENERGY COMPANY 3 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC113,5002011-05-25