< leases

FOUR-WAY RANCH

Oil · District 02 · Lease #5046

Operator: TEXAS PETROLEUM INVESTMENT CO.

Fields: LOLITA, DEEP (7900 ZONE)

Cum Oil

23k BBL

Cum Gas

46k MCF

casinghead

Wells

3

Production

1993-01 — 2010-11

Peak Month

2008-10

Production History

Cum Oil: 22,640 BBL Cum Gas: 46,089 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

608 BBL/mo

Di (annual)

35.9%

b-factor

0.0

EUR

20,280 BBL

R-squared

0.619

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
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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1742-239-02182MCGOWAN WORKING PARTNERS, INC.18,6002009-08-25
1542-239-02218MCGOWAN WORKING PARTNERS INC.27,8801992-03-26
2742-239-02190MCGOWAN WORKING PARTNERS INC.27,9591986-07-15