BIRDWELL

Oil · District 06 · Lease #12228

Operator: XTO ENERGY INC.

Cum Oil

25k BBL

Cum Gas

115k MCF

casinghead

Wells

1

Production

1993-01 — 2013-05

Peak Month

2003-03

Production History

Cum Oil: 25,238 BBL Cum Gas: 115,007 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

263 BBL/mo

Di (annual)

20.0%

b-factor

0.6

EUR

28,680 BBL

R-squared

0.590

type

hyperbolic

Operator History (from monthly production reports)

2008-01 — 2013-10 XTO ENERGY INC. 70 mo
2003-04 — 2007-12 NADEL AND GUSSMAN, L.L.C. 57 mo
2002-11 — 2003-03 NADEL & GUSSMAN 5 mo
2000-12 — 2002-10 OCEAN ENERGY, INC. 23 mo
1998-07 — 2000-11 SEAGULL ENERGY E&P INC. 29 mo
1996-10 — 1998-06 BRG PETROLEUM, INC. 21 mo
1993-01 — 1996-09 MARATHON OIL COMPANY 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3TXO PRODUCTION CORP.37,5621987-09-17