PHILLIPS "A"

Oil · District 8A · Lease #66717

Operator: WALSH PETROLEUM, INC.

Fields: YELLOWHOUSE, S. (SAN ANDRES)

Cum Oil

185k BBL

Cum Gas

55k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1993-11

Production History

Cum Oil: 184,567 BBL Cum Gas: 54,750 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

906 BBL/mo

Di (annual)

16.4%

b-factor

1.2

EUR

161,778 BBL

R-squared

0.527

type

hyperbolic

Operator History (from monthly production reports)

2023-01 — 2026-07 SIXESS ENERGY, LLC 43 mo

1995-03 — 2022-12 WALSH PETROLEUM, INC. 334 mo

1993-05 — 1995-02 PARKER & PARSLEY, WPI AGENT 22 mo

1993-01 — 1993-04 WALSH PETROLEUM, INC. 4 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-219-36300	SIXESS ENERGY, LLC	1	5,000	1996-12-19
1	42-219-35748	SIXESS ENERGY, LLC	2	5,000	1991-04-25
2	42-219-31562	SIXESS ENERGY, LLC	--	--	--