UNIVERSITY 5-39

Oil · District 08 · Lease #44285

Operator: PIEDRA OPERATING, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

188k BBL

Cum Gas

495k MCF

casinghead

Wells

4

Production

2013-07 — 2026-04

Peak Month

2014-03

Production History

Cum Oil: 187,794 BBL Cum Gas: 495,444 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,755 BBL/mo

Di (annual)

38.3%

b-factor

0.4

EUR

138,340 BBL

R-squared

0.649

type

hyperbolic

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 (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-003-45707	OVINTIV USA INC.	2	12,500	2013-10-14
4	42-003-45546	OVINTIV USA INC.	1	12,500	2013-07-31
3	42-003-45475	OVINTIV USA INC.	1	12,100	2013-06-26
2	42-003-45358	OVINTIV USA INC.	2	12,000	2013-05-10