SPRETZ

Oil · District 03 · Lease #20911

Operator: TRIVISTA OPERATING LLC

Cum Oil

10k BBL

Cum Gas

70k MCF

casinghead

Wells

1

Production

1993-01 — 2026-02

Peak Month

1993-06

Production History

Cum Oil: 10,320 BBL Cum Gas: 69,714 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

58 BBL/mo

Di (annual)

15.2%

b-factor

0.6

EUR

7,839 BBL

R-squared

0.622

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2026-07 TRIVISTA OPERATING LLC 154 mo
2002-01 — 2013-09 TEXAS VANGUARD OIL COMPANY 141 mo
1993-01 — 2001-12 MAGNA OIL & GAS CORPORATION 108 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TRIVISTA OPERATING LLC15,4501990-11-19