-L- RANCH CO. -B-

Oil · District 02 · Lease #875

Operator: TEXAS PETROLEUM INVESTMENT CO.

Cum Oil

275k BBL

Cum Gas

145k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2008-11

Production History

Cum Oil: 274,727 BBL Cum Gas: 145,062 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,001 BBL/mo

Di (annual)

3.2%

b-factor

0.0

EUR

297,910 BBL

R-squared

0.359

type

exponential

Operator History (from monthly production reports)

2010-05 — 2026-07 MCGOWAN WORKING PARTNERS, INC. 195 mo
2008-09 — 2010-04 LEGADO GULF COAST, LLC 20 mo
2006-06 — 2008-08 OSYKA PERMIAN, LLC 27 mo
2005-06 — 2006-05 OSYKA RESOURCES, LLC 12 mo
2002-04 — 2005-05 OSYKA PERMIAN, LLC 38 mo
2000-04 — 2002-03 TEXAS PETROLEUM INVESTMENT CO. 24 mo
1993-01 — 2000-03 OIL WELL BUYERS CORP. 87 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6MCGOWAN WORKING PARTNERS, INC.15,9371985-08-23
1142-239-02262MCGOWAN WORKING PARTNERS, INC.------
1242-239-02263MCGOWAN WORKING PARTNERS, INC.------
1442-239-02142MCGOWAN WORKING PARTNERS, INC.------
1542-239-02266MCGOWAN WORKING PARTNERS, INC.------
1642-239-02267MCGOWAN WORKING PARTNERS, INC.------
742-239-02232MCGOWAN WORKING PARTNERS, INC.------