BRYSCH-ADAMS UNIT

Oil · District 02 · Lease #9986

Operator: MARATHON OIL EF LLC

Cum Oil

1.2M BBL

Cum Gas

1.9M MCF

casinghead

Wells

5

Production

2012-04 — 2026-04

Peak Month

2022-10

Production History

Cum Oil: 1,208,148 BBL Cum Gas: 1,934,411 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85,736 BBL/mo

Di (annual)

681.3%

b-factor

0.8

EUR

573,322 BBL

R-squared

0.973

type

hyperbolic

Operator History (from monthly production reports)

2012-04 — 2026-07 MARATHON OIL EF LLC 172 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
501HMARATHON OIL EF LLC122,0002022-05-13
502HMARATHON OIL EF LLC122,0002022-05-13
3HMARATHON OIL EF LLC116,0002012-05-24
2HMARATHON OIL EF LLC116,0002012-05-22
1HMARATHON OIL EF LLC115,5002011-12-20