UNIVERSITY -3148-

Oil · District 08 · Lease #28526

Operator: TRIVISTA OPERATING LLC

Fields: MCELROY

Cum Oil

14k BBL

Cum Gas

25k MCF

casinghead

Wells

2

Production

1993-01 — 2024-04

Peak Month

1993-08

Production History

Cum Oil: 14,032 BBL Cum Gas: 24,615 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

67 BBL/mo

Di (annual)

5.3%

b-factor

0.0

EUR

14,193 BBL

R-squared

0.417

type

exponential

Operator History (from monthly production reports)

2013-10 — 2026-07 TRIVISTA OPERATING LLC 154 mo
1993-01 — 2013-09 TEXAS VANGUARD OIL COMPANY 249 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TRIVISTA OPERATING LLC33,2001983-12-13
1TRIVISTA OPERATING LLC13,2001983-09-16