LAMBSHEAD D-9

Oil · District 7B · Lease #26367

Operator: THROCKMORTON OIL, INC.

Cum Oil

81k BBL

Cum Gas

28k MCF

casinghead

Wells

3

Production

1993-01 — 2007-02

Peak Month

1996-08

Production History

Cum Oil: 80,967 BBL Cum Gas: 27,984 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,022 BBL/mo

Di (annual)

34.4%

b-factor

0.0

EUR

70,450 BBL

R-squared

0.773

type

exponential

Operator History (from monthly production reports)

2006-03 — 2007-08 BRECK OPERATING CORP. 18 mo
2005-01 — 2006-02 ENCON SERVICES, INC. 14 mo
1993-01 — 2004-12 THROCKMORTON OIL, INC. 144 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BRECK OPERATING CORP.55,5001999-01-27
1ABRECK OPERATING CORP.55,5001999-01-27
1LTBRECK OPERATING CORP.55,5001999-01-27