LAMBSHEAD D9

Oil · District 7B · Lease #28452

Operator: THROCKMORTON OIL, INC.

Cum Oil

1k BBL

Cum Gas

7k MCF

casinghead

Wells

1

Production

1997-11 — 1998-11

Peak Month

1997-12

Production History

Cum Oil: 1,347 BBL Cum Gas: 6,620 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

506 BBL/mo

Di (annual)

688.1%

b-factor

0.5

EUR

1,709 BBL

R-squared

0.864

type

hyperbolic

Operator History (from monthly production reports)

1997-11 — 1999-11 THROCKMORTON OIL, INC. 25 mo

Wells (1)

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