MCWILLIAMS

Oil · District 09 · Lease #26166

Operator: R.J. RILEY OPERATING, LLC

Cum Oil

12k BBL

Cum Gas

63k MCF

casinghead

Wells

2

Production

1993-01 — 2017-02

Peak Month

2013-08

Production History

Cum Oil: 12,423 BBL Cum Gas: 63,215 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

217 BBL/mo

Di (annual)

29.7%

b-factor

0.3

EUR

12,199 BBL

R-squared

0.822

type

hyperbolic

Operator History (from monthly production reports)

2018-11 — 2026-07 R.J. RILEY OPERATING, LLC 93 mo
1994-07 — 2018-10 ANTLE OPERATING, INC. 292 mo
1993-01 — 1994-06 ANTLE, E. 18 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3R.J. RILEY OPERATING, LLC13,2002013-03-01
2R.J. RILEY OPERATING LLC14,3501985-12-31