RUFUS 20

Oil · District 08 · Lease #42316

Operator: QEP ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

233k BBL

Cum Gas

530k MCF

casinghead

Wells

4

Production

2012-02 — 2026-04

Peak Month

2025-07

Production History

Cum Oil: 232,901 BBL Cum Gas: 529,674 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,000 BBL/mo

Di (annual)

7.8%

b-factor

0.0

EUR

299,950 BBL

R-squared

0.345

type

exponential

Operator History (from monthly production reports)

2022-06 — 2026-07 FED OPERATING LLC 50 mo

2021-10 — 2022-05 DIAMONDBACK E&P LLC 8 mo

2018-11 — 2021-09 QEP ENERGY COMPANY 35 mo

2018-04 — 2018-10 BIRCH OPERATIONS, INC. 7 mo

2013-12 — 2018-03 BREITBURN OPERATING L.P. 52 mo

2012-02 — 2013-11 CROWNQUEST OPERATING, LLC 22 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-317-39352	FED OPERATING LLC	1	12,000	2014-04-16
4	42-317-39353	FED OPERATING LLC	1	12,000	2014-04-16
2	42-317-37703	FED OPERATING LLC	1	12,000	2012-04-21
1	42-317-37132	FED OPERATING LLC	1	11,900	2011-08-26