< leases

RICHTER, LOUIS -B-

Oil · District 08 · Lease #18115

Operator: VANGUARD OPERATING, LLC

Fields: WARD-ESTES, NORTH

Cum Oil

64k BBL

Cum Gas

16k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2021-03

Production History

Cum Oil: 63,543 BBL Cum Gas: 15,799 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

475 BBL/mo

Di (annual)

9.0%

b-factor

0.0

EUR

62,512 BBL

R-squared

0.687

type

exponential

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
1993-01 — 2004-07 MR OIL COMPANY 139 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-475-03958CRESCENT ENERGY OPERATING, LLC12,6501987-02-25
742-475-31933CRESCENT ENERGY OPERATING, LLC12,7001979-08-24
642-475-02826CRESCENT ENERGY OPERATING, LLC------