< leases

CADE, E. KER, -A- R/A -G-

Oil · District 03 · Lease #7138

Operator: TRI-UNION DEVELOPMENT CORP.

Fields: HIGH ISLAND

Cum Oil

67k BBL

Cum Gas

79k MCF

casinghead

Wells

3

Production

1993-01 — 2026-02

Peak Month

1993-05

Production History

Cum Oil: 67,368 BBL Cum Gas: 79,096 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,363 BBL/mo

Di (annual)

259.9%

b-factor

0.6

EUR

80,515 BBL

R-squared

0.843

type

hyperbolic

Operator History (from monthly production reports)

2021-05 — 2026-07 SANDPOINT TEXAS LLC 63 mo
2016-09 — 2021-04 TORRENT OIL LLC 56 mo
2011-10 — 2016-08 LINC GULF COAST PETROLEUM, INC. 59 mo
2008-07 — 2011-09 ERG RESOURCES, L.L.C. 39 mo
2006-04 — 2008-06 CONTINENTAL OPERATING CO. 27 mo
2003-03 — 2006-03 ATASCA RESOURCES, INC. 37 mo
2002-07 — 2003-02 O&G INVESTMENTS INC. 8 mo
1998-04 — 2002-06 TRI-UNION DEVELOPMENT CORP. 51 mo
1993-01 — 1998-03 MW PETROLEUM CORPORATION 63 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28342-167-30786SANDPOINT TEXAS LLC17,4501980-07-17
28242-167-30777SANDPOINT TEXAS LLC17,5501980-06-10
27342-167-30030SANDPOINT TEXAS LLC------