ANGERSTEIN

Oil · District 02 · Lease #376

Operator: THUNDERBIRD ENERGY, INC.

Cum Oil

17k BBL

Cum Gas

5k MCF

casinghead

Wells

3

Production

1993-01 — 2012-04

Peak Month

1998-09

Production History

Cum Oil: 16,524 BBL Cum Gas: 4,635 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

316 BBL/mo

Di (annual)

20.4%

b-factor

0.0

EUR

18,494 BBL

R-squared

0.386

type

exponential

Operator History (from monthly production reports)

2006-11 — 2026-07 R & S OIL PRODUCTION CO. 237 mo
1997-09 — 2006-10 THUNDERBIRD ENERGY, INC. 110 mo
1996-11 — 1997-08 KP OIL CO. 10 mo
1996-02 — 1996-10 PATTON OIL CORP. 9 mo
1993-01 — 1996-01 MINER, R. C. INC. 37 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5R & S OIL PRODUCTION CO.17,7501989-12-22
2R & S OIL PRODUCTION CO.17,6711984-01-23
4R & S OIL PRODUCTION CO.17,7001980-08-07