UNIVERSITY 8-4

Oil · District 08 · Lease #39620

Operator: PIEDRA OPERATING, LLC

Cum Oil

233k BBL

Cum Gas

548k MCF

casinghead

Wells

8

Production

2009-09 — 2023-07

Peak Month

2011-01

Production History

Cum Oil: 233,101 BBL Cum Gas: 548,288 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,543 BBL/mo

Di (annual)

44.4%

b-factor

0.2

EUR

220,615 BBL

R-squared

0.889

type

hyperbolic

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo
2015-03 — 2023-05 PIEDRA OPERATING, LLC 99 mo
2009-09 — 2015-02 MYCO INDUSTRIES, INC. 66 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8OVINTIV USA INC.211,5002010-10-15
7OVINTIV USA INC.211,5002010-09-09
4OVINTIV USA INC.211,5002010-07-27
5OVINTIV USA INC.211,5002010-07-27
6OVINTIV USA INC.211,5002010-07-27
3OVINTIV USA INC.211,5002010-06-29
2OVINTIV USA INC.211,5002009-07-28
1OVINTIV USA INC.111,3002009-02-05