UNIVERSITY 8-3

Oil · District 08 · Lease #44319

Operator: PIEDRA OPERATING, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

180k BBL

Cum Gas

549k MCF

casinghead

Wells

6

Production

2013-07 — 2025-02

Peak Month

2013-08

Production History

Cum Oil: 180,155 BBL Cum Gas: 549,443 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,929 BBL/mo

Di (annual)

26.8%

b-factor

0.0

EUR

176,015 BBL

R-squared

0.677

type

exponential

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo

2018-02 — 2023-05 PIEDRA OPERATING, LLC 64 mo

2015-02 — 2018-01 ENCANA OIL & GAS(USA) INC. 36 mo

2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo

2013-07 — 2013-12 ATHLON ENERGY OPERATING LLC 6 mo

Wells (6)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
8	42-003-45942	OVINTIV USA INC.	2	12,500	2014-02-14
9	42-003-45943	OVINTIV USA INC.	2	12,500	2014-02-14
7	42-003-45865	OVINTIV USA INC.	2	12,500	2014-01-16
6	42-003-45706	OVINTIV USA INC.	1	12,500	2013-10-14
5	42-003-45545	OVINTIV USA INC.	1	12,200	2013-07-31
4	42-003-45455	OVINTIV USA INC.	1	12,000	2013-06-11