< leases

FOUR-WAY RANCH

Oil · District 02 · Lease #865

Operator: TEXAS PETROLEUM INVESTMENT CO.

Fields: LOLITA, DEEP (8000 ZONE)

Cum Oil

3k BBL

Cum Gas

6k MCF

casinghead

Wells

2

Production

1993-01 — 2007-05

Peak Month

2007-01

Production History

Cum Oil: 3,111 BBL Cum Gas: 6,497 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

684 BBL/mo

Di (annual)

321.6%

b-factor

0.3

EUR

3,624 BBL

R-squared

0.739

type

hyperbolic

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
2003-09 — 2008-08 OSYKA PERMIAN, LLC 60 mo
2000-04 — 2003-08 TEXAS PETROLEUM INVESTMENT CO. 41 mo
1994-12 — 2000-03 OIL WELL BUYERS CORP. 64 mo
1994-10 — 1994-11 PARKER & PARSLEY DEVELOPMENT L.P 2 mo
1993-01 — 1994-09 BRIDGE OIL COMPANY, L. P. 21 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2542-239-02221MCGOWAN WORKING PARTNERS, INC.38,1142009-09-04
28 L42-239-02222MOBIL OIL CORPORATION------