MCCOY UNIT

Oil · District 02 · Lease #9994

Operator: MARATHON OIL EF LLC

Cum Oil

524k BBL

Cum Gas

1.4M MCF

casinghead

Wells

7

Production

2011-03 — 2014-09

Peak Month

2013-06

Production History

Cum Oil: 523,671 BBL Cum Gas: 1,387,894 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

60,061 BBL/mo

Di (annual)

666.0%

b-factor

1.5

EUR

1,504,649 BBL

R-squared

0.845

type

hyperbolic

Operator History (from monthly production reports)

2011-11 — 2015-04 MARATHON OIL EF LLC 42 mo
2011-03 — 2011-10 HILCORP ENERGY COMPANY 8 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HMARATHON OIL EF LLC219,3142013-01-22
6HMARATHON OIL EF LLC117,5002013-01-18
4HMARATHON OIL EF LLC118,0002012-10-25
5HMARATHON OIL EF LLC118,0002012-10-25
2HMARATHON OIL EF LLC119,9002012-07-16
3HMARATHON OIL EF LLC119,7002012-07-16
1HMARATHON OIL EF LLC213,5002010-10-27