< leases

SLAUGHTER "H"

Oil · District 8A · Lease #67643

Operator: TCO RESOURCES, INC.

Fields: HAPPY (ELLENBURGER)

Cum Oil

125k BBL

Cum Gas

30k MCF

casinghead

Wells

2

Production

1996-10 — 2026-03

Peak Month

2001-03

Production History

Cum Oil: 125,497 BBL Cum Gas: 30,247 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,688 BBL/mo

Di (annual)

292.9%

b-factor

0.8

EUR

52,707 BBL

R-squared

0.781

type

hyperbolic

Operator History (from monthly production reports)

2018-02 — 2026-07 SHENANDOAH PETROLEUM CORPORATION 102 mo
2016-09 — 2018-01 SAGUARO PETROLEUM, LLC 17 mo
2009-07 — 2016-08 TCO RESOURCES, INC. 86 mo
2005-07 — 2009-06 MNA ENTERPRISES LTD. CO. 48 mo
2004-05 — 2005-06 FOREST OIL PERMIAN CORPORATION 14 mo
1996-10 — 2004-04 MAYNARD OIL CO. 91 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10442-169-32693SHENANDOAH PETROLEUM CORPORATION49,3002000-10-27
104H42-169-32693SHENANDOAH PETROLEUM CORPORATION49,3002000-10-27