RICHTER, HERBERT

Oil · District 03 · Lease #19851

Operator: TRIVISTA OPERATING LLC

Cum Oil

13k BBL

Cum Gas

60k MCF

casinghead

Wells

1

Production

1993-01 — 2026-02

Peak Month

1993-08

Production History

Cum Oil: 13,271 BBL Cum Gas: 59,949 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

46 BBL/mo

Di (annual)

5.2%

b-factor

0.0

EUR

9,811 BBL

R-squared

0.470

type

exponential

Operator History (from monthly production reports)

2013-10 — 2026-07 TRIVISTA OPERATING LLC 154 mo
1997-12 — 2013-09 TEXAS VANGUARD OIL COMPANY 190 mo
1993-01 — 1997-11 SAN ANTONIO GAS & OIL, INC. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TRIVISTA OPERATING LLC15,9001987-06-11