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Oil · District 8A · Lease #66776

Operator: WALSH PETROLEUM, INC.

Fields: YELLOWHOUSE, S. (SAN ANDRES)

Cum Oil

3k BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

1993-01 — 1995-08

Peak Month

1993-08

Production History

Cum Oil: 2,837 BBL Cum Gas: 1,520 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

188 BBL/mo

Di (annual)

38.8%

b-factor

2.0

EUR

30,922 BBL

R-squared

0.786

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 (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-219-35810	SIXESS ENERGY LLC	1	5,000	1991-10-29