CHAMBERS -A-

Oil · District 10 · Lease #5902

Operator: TECOLOTE ENERGY OPERATING, LLC

Fields: MENDOTA, NW. (GRANITE WASH, SW.)

Cum Oil

57k BBL

Cum Gas

3.7M MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 57,471 BBL Cum Gas: 3,659,832 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

347 BBL/mo

Di (annual)

7.1%

b-factor

0.0

EUR

56,692 BBL

R-squared

0.716

type

exponential

Operator History (from monthly production reports)

2023-10 — 2026-07 MMGL TXPH, LLC 34 mo

2020-01 — 2023-09 BLACKBEARD OPERATING, LLC 45 mo

2016-07 — 2019-12 TECOLOTE ENERGY OPERATING, LLC 42 mo

2006-01 — 2016-06 DEVON ENERGY PRODUCTION CO, L.P. 126 mo

2003-09 — 2005-12 DEVON LOUISIANA CORPORATION 28 mo

2000-11 — 2003-08 OCEAN ENERGY, INC. 34 mo

1998-06 — 2000-10 SEAGULL ENERGY E&P INC. 29 mo

1993-01 — 1998-05 SEAGULL MIDCON INC. 65 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
304	42-393-30991	MMGL TXPH, LLC	1	10,150	1983-12-27
404	42-393-30988	MMGL TXPH, LLC	1	10,150	1983-12-14
204	42-393-30626	MMGL TXPH, LLC	1	10,050	1978-04-04
104	42-393-30237	MMGL TXPH, LLC	--	--	--