WHITEHALL-BURNETT -A-

Oil · District 10 · Lease #2034

Operator: SARGECO, INC.

Cum Oil

24k BBL

Cum Gas

579k MCF

casinghead

Wells

14

Production

1993-01 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 24,289 BBL Cum Gas: 578,758 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

88 BBL/mo

Di (annual)

24.2%

b-factor

0.0

EUR

4,342 BBL

R-squared

0.411

type

exponential

Operator History (from monthly production reports)

2018-10 — 2026-07 PONDEROSA TX OPERATING LLC 94 mo
2007-01 — 2018-09 NISROL, INC. 141 mo
2003-07 — 2006-12 SARGECO, INC. 42 mo
2002-04 — 2003-06 NISROL, INC. 15 mo
2001-12 — 2002-03 SARGECO, INC. 4 mo
1999-03 — 2001-11 NISROL, INC. 33 mo
1993-01 — 1999-02 HUBER, J. M., CORPORATION 74 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PONDEROSA TX OPERATING LLC13,6002011-10-06
16PONDEROSA TX OPERATING LLC13,2501982-08-09
1042-065-02599PONDEROSA TX OPERATING LLC------
1142-065-30327PONDEROSA TX OPERATING LLC------
1242-065-30330PONDEROSA TX OPERATING LLC------
1342-065-30329PONDEROSA TX OPERATING LLC------
1442-065-30328PONDEROSA TX OPERATING LLC------
1542-065-30326PONDEROSA TX OPERATING LLC------
242-065-02592PONDEROSA TX OPERATING LLC------
342-065-81991PONDEROSA TX OPERATING LLC------
442-065-02594PONDEROSA TX OPERATING LLC------
542-233-07792PONDEROSA TX OPERATING LLC------
742-065-02596PONDEROSA TX OPERATING LLC------
8W42-065-02597PONDEROSA TX OPERATING LLC------