< leases

UNIVERSITY 7-26

Oil · District 08 · Lease #38533

Operator: QEP ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

199k BBL

Cum Gas

459k MCF

casinghead

Wells

3

Production

2007-11 — 2026-04

Peak Month

2012-05

Production History

Cum Oil: 198,665 BBL Cum Gas: 459,077 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,874 BBL/mo

Di (annual)

47.3%

b-factor

0.4

EUR

158,841 BBL

R-squared

0.871

type

hyperbolic

Operator History (from monthly production reports)

2021-10 — 2026-07 DIAMONDBACK E&P LLC 58 mo
2014-03 — 2021-09 QEP ENERGY COMPANY 91 mo
2012-09 — 2014-02 ENERVEST OPERATING, L.L.C. 18 mo
2007-11 — 2012-08 CHESAPEAKE OPERATING, INC. 58 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-317-36980DIAMONDBACK E&P LLC212,0002011-07-05
542-317-35851DIAMONDBACK E&P LLC112,0002010-02-12
142-317-34988DIAMONDBACK E&P LLC112,0002007-08-07