< leases

TEXACO FEE 4596

Oil · District 03 · Lease #20335

Operator: TRI-UNION DEVELOPMENT CORP.

Fields: SOUR LAKE

Cum Oil

256k BBL

Cum Gas

143k MCF

casinghead

Wells

2

Production

1993-01 — 2026-03

Peak Month

1993-03

Production History

Cum Oil: 255,580 BBL Cum Gas: 143,176 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,420 BBL/mo

Di (annual)

38.1%

b-factor

0.6

EUR

219,211 BBL

R-squared

0.765

type

hyperbolic

Operator History (from monthly production reports)

2026-04 — 2026-07 RADCO OPERATIONS, L.P. 4 mo
2005-06 — 2026-03 TEXAS PETROLEUM INVESTMENT CO. 250 mo
2004-11 — 2005-05 TEXCAL ENERGY (GP) LLC 7 mo
1998-04 — 2004-10 TRI-UNION DEVELOPMENT CORP. 79 mo
1995-03 — 1998-03 APACHE CORPORATION 37 mo
1993-01 — 1995-02 TEXACO E & P INC. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-199-32648TEXAS PETROLEUM INVESTMENT CO.18,7501993-05-05
142-199-32504TEXAS PETROLEUM INVESTMENT CO.28,7501988-10-11