< leases

RICHTER, LOUIS

Oil · District 08 · Lease #36070

Operator: VANGUARD OPERATING, LLC

Fields: H. S. A. (SAN ANDRES)

Cum Oil

413k BBL

Cum Gas

711k MCF

casinghead

Wells

4

Production

1999-08 — 2026-04

Peak Month

2000-05

Production History

Cum Oil: 413,486 BBL Cum Gas: 711,235 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,567 BBL/mo

Di (annual)

11.7%

b-factor

0.1

EUR

400,721 BBL

R-squared

0.729

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 CRESCENT ENERGY OPERATING, LLC 9 mo
2022-01 — 2025-10 CONTANGO RESOURCES, LLC 46 mo
2021-02 — 2021-12 CONTANGO RESOURCES, INC. 11 mo
2019-09 — 2021-01 GRIZZLY OP OF DELAWARE, LLC 17 mo
2015-11 — 2019-08 VANGUARD OPERATING, LLC 46 mo
2008-05 — 2015-10 EAGLE ROCK OPERATING COMPANY,LLC 90 mo
2004-08 — 2008-04 STANOLIND OPERATING CORP. 45 mo
1999-08 — 2004-07 MR OIL COMPANY 60 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7942-475-34592CRESCENT ENERGY OPERATING, LLC39,5002013-03-14
7642-475-32735CRESCENT ENERGY OPERATING, LLC49,5001999-09-27
7742-475-32734CRESCENT ENERGY OPERATING, LLC39,5001999-08-26
3342-475-02853CRESCENT ENERGY OPERATING, LLC36,5001999-08-09