WELCH FOUNDATION

Oil · District 03 · Lease #23221

Operator: PHOENIX HYDROCARBONS OPERATING

Cum Oil

576k BBL

Cum Gas

248k MCF

casinghead

Wells

3

Production

1997-05 — 2026-04

Peak Month

2000-06

Production History

Cum Oil: 576,466 BBL Cum Gas: 247,938 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,448 BBL/mo

Di (annual)

51.3%

b-factor

0.3

EUR

313,539 BBL

R-squared

0.858

type

hyperbolic

Operator History (from monthly production reports)

2008-10 — 2026-07 JAY MANAGEMENT COMPANY, LLC 214 mo
2000-08 — 2008-09 PHOENIX HYDROCARBONS OPERATING 98 mo
1997-05 — 2000-07 BLEDSOE PETRO CORPORATION 39 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S 30JAY MANAGEMENT COMPANY, LLC15,6002001-07-10
S 27JAY MANAGEMENT COMPANY, LLC15,8002000-01-28
S 9JAY MANAGEMENT COMPANY, LLC15,7001997-04-09