SHIFFLETT

Oil · District 09 · Lease #31415

Operator: SAGE NATURAL RESOURCES LLC

Cum Oil

40k BBL

Cum Gas

313k MCF

casinghead

Wells

1

Production

2009-06 — 2021-12

Peak Month

2009-08

Production History

Cum Oil: 39,640 BBL Cum Gas: 312,811 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,292 BBL/mo

Di (annual)

434.9%

b-factor

0.8

EUR

33,022 BBL

R-squared

0.764

type

hyperbolic

Operator History (from monthly production reports)

2025-02 — 2026-07 EAGLERIDGE OPERATING, LLC 18 mo
2018-04 — 2025-01 SAGE NATURAL RESOURCES LLC 82 mo
2012-12 — 2018-03 ATLAS BARNETT, LLC 64 mo
2009-06 — 2012-11 DTE GAS RESOURCES, LLC 42 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HEAGLERIDGE OPERATING LLC19,8002008-08-11