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FOUR-WAY RANCH

Oil · District 02 · Lease #849

Operator: TEXAS PETROLEUM INVESTMENT CO.

Fields: LOLITA, DEEP (4-WAY ZONE)

Cum Oil

165k BBL

Cum Gas

356k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

2009-01

Production History

Cum Oil: 164,712 BBL Cum Gas: 355,534 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

689 BBL/mo

Di (annual)

22.5%

b-factor

2.0

EUR

141,295 BBL

R-squared

0.490

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 (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1242-239-02179MCGOWAN WORKING PARTNERS, INC.28,6002011-12-02
12R42-239-02179MCGOWAN WORKING PARTNERS, INC.28,6002011-12-02
1142-239-02178MCGOWAN WORKING PARTNERS, INC.16,4441984-02-10
2142-239-02185MCGOWAN WORKING PARTNERS, INC.28,0091984-02-10
2042-239-02184MCGOWAN WORKING PARTNERS, INC.16,9431982-04-23
3242-239-02192MCGOWAN WORKING PARTNERS, INC.27,0521981-06-25