CHAMBERS "B"

Oil · District 10 · Lease #5927

Operator: TECOLOTE ENERGY OPERATING, LLC

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

Cum Oil

39k BBL

Cum Gas

1.8M MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1994-10

Production History

Cum Oil: 39,380 BBL Cum Gas: 1,792,148 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

351 BBL/mo

Di (annual)

12.2%

b-factor

0.0

EUR

34,594 BBL

R-squared

0.456

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
510	42-393-31041	MMGL TXPH, LLC	1	10,100	1984-11-14
310	42-393-31017	MMGL TXPH, LLC	1	10,300	1984-05-07
410	42-393-31015	MMGL TXPH, LLC	1	10,300	1984-05-03
2010	42-393-30771	MMGL TXPH, LLC	1	10,120	1980-02-01