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LEMMER, J.

Oil · District 03 · Lease #23233

Operator: TEXCAL ENERGY (GP) LLC

Fields: MANVEL (F.B. II, OLIGOCENE)

Cum Oil

532k BBL

Cum Gas

1.3M MCF

casinghead

Wells

2

Production

1997-02 — 2019-06

Peak Month

2015-10

Production History

Cum Oil: 532,237 BBL Cum Gas: 1,306,405 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,511 BBL/mo

Di (annual)

17.6%

b-factor

0.0

EUR

512,222 BBL

R-squared

0.354

type

exponential

Operator History (from monthly production reports)

2015-05 — 2020-06 DENBURY ONSHORE, LLC 62 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
1997-02 — 2005-12 NORTH CENTRAL OIL CORP. 107 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1142-039-32610DENBURY ONSHORE LLC27,5002010-08-25
1042-039-32591DENBURY ONSHORE LLC16,1501996-09-24