QUINTANILLA -B-

Oil · District 01 · Lease #14598

Operator: WELHAUSEN OPERATING COMPANY, LP

Fields: A.W.P. (OLMOS)

Cum Oil

134k BBL

Cum Gas

187k MCF

casinghead

Wells

3

Production

2005-05 — 2026-02

Peak Month

2008-02

Production History

Cum Oil: 134,264 BBL Cum Gas: 187,226 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,051 BBL/mo

Di (annual)

33.7%

b-factor

0.3

EUR

102,699 BBL

R-squared

0.700

type

hyperbolic

Operator History (from monthly production reports)

2020-05 — 2026-07 GTG OPERATING, LLC 75 mo

2015-04 — 2020-04 CLEARLY PETROLEUM, LLC 61 mo

2013-06 — 2015-03 WAPITI OPERATING, LLC 22 mo

2012-01 — 2013-05 LAYLINE PETROLEUM I, LLC 17 mo

2005-05 — 2011-12 WELHAUSEN OPERATING COMPANY, LP 80 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
B 2	42-311-34000	GTG OPERATING LLC	1	10,000	2007-09-21
B 3	42-311-33982	GTG OPERATING LLC	1	10,000	2007-07-31
B 1	42-311-33795	GTG OPERATING LLC	1	9,800	2005-03-22