YANDLE, WAYNE -B- UNIT

Oil · District 06 · Lease #12288

Operator: TGNR GULF COAST LLC

Fields: RUFUS (PETTIT, UPPER-OIL)

Cum Oil

48k BBL

Cum Gas

428k MCF

casinghead

Wells

2

Production

1993-01 — 2015-12

Peak Month

1993-01

Production History

Cum Oil: 48,290 BBL Cum Gas: 428,205 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

382 BBL/mo

Di (annual)

11.7%

b-factor

0.2

EUR

46,836 BBL

R-squared

0.749

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 TGNR GULF COAST LLC 66 mo

2014-09 — 2021-01 CCI GULF COAST UPSTREAM LLC 77 mo

2011-06 — 2014-08 ARCHON RESOURCES LLC 39 mo

2008-07 — 2011-05 EXCO OPERATING COMPANY, LP 35 mo

2007-04 — 2008-06 EXCO PARTNERS OPERATING PTSHP LP 15 mo

2004-12 — 2007-03 EXCO RESOURCES, INC. 28 mo

2002-12 — 2004-11 LKD CORP. 24 mo

1993-11 — 2002-11 CEX OPERATING COMPANY 109 mo

1993-01 — 1993-10 CONCORDE EXPLORATION, INC. 10 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-401-31559	ARCO OIL & GAS CO.	2	7,800	1988-07-11
2	42-401-31580	ARCO OIL & GAS CO.	2	7,650	1987-11-19