HENKE-WILHELM UNIT A

Oil · District 01 · Lease #15857

Operator: MARATHON OIL EF LLC

Cum Oil

1.1M BBL

Cum Gas

1.3M MCF

casinghead

Wells

7

Production

2012-03 — 2026-04

Peak Month

2019-03

Production History

Cum Oil: 1,120,188 BBL Cum Gas: 1,346,821 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

52,229 BBL/mo

Di (annual)

141.5%

b-factor

0.6

EUR

1,018,140 BBL

R-squared

0.949

type

hyperbolic

Operator History (from monthly production reports)

2012-03 — 2026-07 MARATHON OIL EF LLC 173 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC220,0002017-07-13
4HMARATHON OIL EF LLC220,0002017-07-13
2HMARATHON OIL EF LLC220,0002017-07-07
5HMARATHON OIL EF LLC117,0002017-06-30
6HMARATHON OIL EF LLC117,0002017-06-30
7HMARATHON OIL EF LLC117,0002017-06-30
1HMARATHON OIL EF LLC114,0002012-01-25