BELCHER B57 UNIT

Oil · District 03 · Lease #23589

Operator: TEXCAL ENERGY (GP) LLC

Cum Oil

191k BBL

Cum Gas

131k MCF

casinghead

Wells

1

Production

1998-08 — 2010-05

Peak Month

2007-07

Production History

Cum Oil: 191,339 BBL Cum Gas: 131,242 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,187 BBL/mo

Di (annual)

33.8%

b-factor

0.2

EUR

185,533 BBL

R-squared

0.845

type

hyperbolic

Operator History (from monthly production reports)

2015-05 — 2026-07 DENBURY ONSHORE, LLC 135 mo
2012-10 — 2015-04 ARGENT ENERGY (US) HOLDINGS INC. 31 mo
2010-05 — 2012-09 ENERGYQUEST II, LLC 29 mo
2007-04 — 2010-04 TEXCAL ENERGY (GP) LLC 37 mo
2006-01 — 2007-03 POGO PRODUCING COMPANY 15 mo
1998-08 — 2005-12 NORTH CENTRAL OIL CORP. 89 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DENBURY ONSHORE LLC66,5002010-06-01