WINTERSHALL-GERKE UNIT "A"

Oil · District 01 · Lease #13086

Operator: WILLIAMS, CLAYTON W., JR., INC.

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

136k BBL

Cum Gas

114k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1999-09

Production History

Cum Oil: 135,518 BBL Cum Gas: 114,042 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,039 BBL/mo

Di (annual)

437.1%

b-factor

1.1

EUR

54,042 BBL

R-squared

0.462

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 FW EAGLE FORD I, LLC 7 mo

2024-01 — 2025-12 BAYTEX ENERGY USA, INC. 24 mo

2022-12 — 2023-12 ROCC OPERATING, LLC 13 mo

2014-03 — 2022-11 LONESTAR OPERATING, LLC 105 mo

1993-06 — 2014-02 WILLIAMS, CLAYTON ENERGY, INC. 249 mo

1993-05 — 1993-05 WILLIAMS, CLAYTON ENERGY, L.L.C 1 mo

1993-01 — 1993-04 WILLIAMS, CLAYTON W., JR., INC. 4 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-283-31413	FW EAGLE FORD I, LLC	1	8,400	1991-01-22