ROY GLASS -A-

Oil · District 08 · Lease #36336

Operator: MARATHON OIL COMPANY

Cum Oil

88k BBL

Cum Gas

0 MCF

Wells

7

Production

2000-07 — 2026-03

Peak Month

2001-01

Production History

Cum Oil: 87,514 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,100 BBL/mo

Di (annual)

16.1%

b-factor

0.0

EUR

81,767 BBL

R-squared

0.877

type

exponential

Operator History (from monthly production reports)

2020-01 — 2026-07 BLACK RIVER OPERATING LLC 79 mo
2009-06 — 2019-12 APACHE CORPORATION 127 mo
2000-07 — 2009-05 MARATHON OIL COMPANY 107 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7LBLACK RIVER OPERATING LLC11,5002000-07-12
7UBLACK RIVER OPERATING LLC11,5002000-07-12
6BLACK RIVER OPERATING LLC11,5001994-09-19
5BLACK RIVER OPERATING LLC11,5001994-07-19
242-431-30001BLACK RIVER OPERATING LLC------
342-431-30003BLACK RIVER OPERATING LLC------
442-431-30027BLACK RIVER OPERATING LLC------