RIBEYE UNIT

Oil · District 01 · Lease #18072

Operator: ATLAS OPERATING LLC

Cum Oil

170k BBL

Cum Gas

116k MCF

casinghead

Wells

2

Production

2014-08 — 2026-03

Peak Month

2014-09

Production History

Cum Oil: 169,615 BBL Cum Gas: 115,890 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,481 BBL/mo

Di (annual)

171.3%

b-factor

0.9

EUR

201,189 BBL

R-squared

0.874

type

hyperbolic

Operator History (from monthly production reports)

2019-11 — 2026-07 ATLAS OPERATING LLC 81 mo
2014-08 — 2019-10 ABRAXAS PETROLEUM CORPORATION 63 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HATLAS OPERATING LLC18,0002014-05-17
1HATLAS OPERATING LLC17,9002014-04-30