< leases

SOUTH TEXAS SYNDICATE -B-

Oil · District 01 · Lease #4971

Operator: WHITING PETROLEUM CORPORATION

Fields: CAMARON RANCH (QUEEN CITY)

Cum Oil

363k BBL

Cum Gas

154 MCF

casinghead

Wells

12

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 363,118 BBL Cum Gas: 154 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,549 BBL/mo

Di (annual)

35.2%

b-factor

0.4

EUR

355,596 BBL

R-squared

0.967

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
2003-12 — 2015-12 WHITING OIL AND GAS CORPORATION 145 mo
2002-07 — 2003-11 WHITING PETROLEUM CORPORATION 17 mo
1993-04 — 2002-06 SWIFT ENERGY COMPANY 111 mo
1993-01 — 1993-03 AMERICAN COMETRA, INC. 3 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4842-283-31476CARIBBEAN ENERGY LLC II22,3502005-02-22
4442-283-31475CARIBBEAN ENERGY LLC II22,3502005-02-18
3942-283-31387CARIBBEAN ENERGY LLC II22,4002004-12-15
4742-283-31472CARIBBEAN ENERGY LLC II22,3502004-12-15
5042-283-31496CARIBBEAN ENERGY LLC II12,3501991-12-19
5142-283-31495CARIBBEAN ENERGY LLC II12,3501991-12-19
4342-283-31474CARIBBEAN ENERGY LLC II12,3501991-10-25
4242-283-31437CARIBBEAN ENERGY LLC II12,4001991-04-30
3842-283-31388CARIBBEAN ENERGY LLC II12,4001990-11-14
3442-283-31339CARIBBEAN ENERGY LLC II12,3501990-07-30
2242-283-30259CARIBBEAN ENERGY LLC II------
2342-283-30314CARIBBEAN ENERGY LLC II------