WHITLEY MEJOR UNIT

Oil · District 02 · Lease #10643

Operator: MARATHON OIL EF LLC

Cum Oil

900k BBL

Cum Gas

1.9M MCF

casinghead

Wells

5

Production

2013-07 — 2026-04

Peak Month

2013-12

Production History

Cum Oil: 900,437 BBL Cum Gas: 1,907,157 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

55,386 BBL/mo

Di (annual)

110.2%

b-factor

0.4

EUR

996,615 BBL

R-squared

0.864

type

hyperbolic

Operator History (from monthly production reports)

2013-07 — 2026-07 MARATHON OIL EF LLC 157 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC117,0002013-07-08
5HMARATHON OIL EF LLC117,0002013-07-08
4HMARATHON OIL EF LLC117,0002013-06-21
1HMARATHON OIL EF LLC117,0002013-06-20
2HMARATHON OIL EF LLC117,0002013-06-20