ECHO-WACHSMANN

Oil · District 03 · Lease #19906

Operator: TRIVISTA OPERATING LLC

Cum Oil

8k BBL

Cum Gas

26k MCF

casinghead

Wells

1

Production

1993-01 — 2016-01

Peak Month

1995-10

Production History

Cum Oil: 8,456 BBL Cum Gas: 25,611 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

14.3%

b-factor

0.0

EUR

7,040 BBL

R-squared

0.558

type

exponential

Operator History (from monthly production reports)

2013-10 — 2024-05 TRIVISTA OPERATING LLC 128 mo
2004-09 — 2013-09 TEXAS VANGUARD OIL COMPANY 109 mo
2003-12 — 2004-08 REBOUND RESOURCES, INC 9 mo
2003-03 — 2003-11 BRAZOS PARTNERS 9 mo
1993-07 — 2003-02 ECHO PETROLEUM CORPORATION 116 mo
1993-01 — 1993-06 NOBLESON OPERATING, INC. 6 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TRIVISTA OPERATING LLC15,8001987-10-27