WRIGHT-KEATHLEY UNIT

Oil · District 01 · Lease #16201

Operator: MARATHON OIL EF LLC

Cum Oil

319k BBL

Cum Gas

495k MCF

casinghead

Wells

2

Production

2012-09 — 2023-10

Peak Month

2012-10

Production History

Cum Oil: 318,868 BBL Cum Gas: 495,134 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,416 BBL/mo

Di (annual)

452.6%

b-factor

1.0

EUR

294,339 BBL

R-squared

0.885

type

hyperbolic

Operator History (from monthly production reports)

2012-09 — 2026-07 MARATHON OIL EF LLC 167 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC115,0002012-05-29
2HMARATHON OIL EF LLC115,0002012-05-29