SOUTH TEXAS SYNDICATE -B-

Oil · District 01 · Lease #14580

Operator: WHITING OIL AND GAS CORPORATION

Cum Oil

56k BBL

Cum Gas

0 MCF

Wells

2

Production

2004-01 — 2026-04

Peak Month

2004-06

Production History

Cum Oil: 55,559 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

964 BBL/mo

Di (annual)

81.2%

b-factor

0.9

EUR

47,267 BBL

R-squared

0.829

type

hyperbolic

Operator History (from monthly production reports)

2026-03 — 2026-07 CARIBBEAN ENERGY LLC II 5 mo
2023-03 — 2026-02 VERMILLION PRODUCTION, INC. 36 mo
2018-08 — 2023-02 TERRAFINA ENERGY, LLC 55 mo
2016-01 — 2018-07 FOUNDATION ENERGY MANAGEMENT LLC 31 mo
2004-01 — 2015-12 WHITING OIL AND GAS CORPORATION 144 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
48CARIBBEAN ENERGY LLC II22,3502005-02-22
44CARIBBEAN ENERGY LLC II22,3502005-02-18