LAMMERTS

Oil · District 01 · Lease #5478

Operator: TRIUS OPERATIONS, LLC

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

21k BBL

Cum Gas

9k MCF

casinghead

Wells

2

Production

1993-01 — 2009-09

Peak Month

1993-07

Production History

Cum Oil: 21,228 BBL Cum Gas: 8,503 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

499 BBL/mo

Di (annual)

28.9%

b-factor

0.0

EUR

20,683 BBL

R-squared

0.503

type

exponential

Operator History (from monthly production reports)

2023-04 — 2026-07 INEOS USA OIL & GAS LLC 40 mo

2014-11 — 2023-03 CHESAPEAKE OPERATING, L.L.C. 101 mo

2010-02 — 2014-10 CHESAPEAKE OPERATING, INC. 57 mo

2009-07 — 2010-01 STONEGATE PRODUCTION COMPANY,LLC 7 mo

2008-06 — 2009-06 TRIUS OPERATIONS, LLC 13 mo

2007-10 — 2008-05 STRATCO OPERATING CO., INC. 8 mo

2005-03 — 2007-09 JENEX PETROLEUM CORPORATION 31 mo

2005-01 — 2005-02 MID TEXAS NATURAL GAS 2 mo

2003-10 — 2004-12 TIZA ENERGY, INC. 15 mo

2002-01 — 2003-09 NEWTON CORP.,THE 21 mo

1998-08 — 2001-12 EMBAR RESOURCES, INC 41 mo

1997-09 — 1998-07 CHELETTE, CHRIS 11 mo

1994-10 — 1997-08 HEADLINE RESOURCES, INC. 35 mo

1993-01 — 1994-09 CHESAPEAKE OPERATING, INC. 21 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1H	42-283-31380	INEOS USA OIL & GAS LLC	1	11,000	1990-11-02
1	42-283-30583	INEOS USA OIL & GAS LLC	1	7,500	1977-08-16

LAMMERTS

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (2)

Production History