WENDLAND "B"

Oil · District 7C · Lease #15621

Operator: TCS PETROLEUM CO., LLC

Fields: WENDKIRK (CISCO)

Cum Oil

4k BBL

Cum Gas

0 MCF

Wells

1

Production

2004-10 — 2026-04

Peak Month

2016-04

Production History

Cum Oil: 4,308 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

61 BBL/mo

Di (annual)

254.9%

b-factor

0.8

EUR

804 BBL

R-squared

0.580

type

hyperbolic

Operator History (from monthly production reports)

2025-09 — 2026-07 CORE PETRO, LLC 11 mo

2015-08 — 2025-08 TCS PETROLEUM CO., LLC 121 mo

2014-07 — 2015-07 OHLHAUSEN OIL COMPANY 13 mo

2013-08 — 2014-06 TCS PETROLEUM CO., LLC 11 mo

2013-05 — 2013-07 CEDAR OIL COMPANY 3 mo

2007-11 — 2013-04 SCHMID PROPERTIES, INC. 66 mo

2004-10 — 2007-10 PARAGON CORPORATION 37 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
18A	42-081-31314	CORE PETRO, LLC	2	3,800	2004-04-21