WHITTENBURG, J. A. -A-

Oil · District 10 · Lease #1085

Operator: PONDEROSA TX OPERATING LLC

Cum Oil

132k BBL

Cum Gas

160k MCF

casinghead

Wells

46

Production

1993-01 — 2026-04

Peak Month

1996-09

Production History

Cum Oil: 132,342 BBL Cum Gas: 160,094 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

545 BBL/mo

Di (annual)

11.0%

b-factor

0.0

EUR

59,493 BBL

R-squared

0.646

type

exponential

Operator History (from monthly production reports)

2018-02 — 2026-07 PONDEROSA TX OPERATING LLC 102 mo
2008-05 — 2018-01 LEGACY RESERVES OPERATING LP 117 mo
1997-09 — 2008-04 IRVIN PETROLEUM INC. 128 mo
1993-01 — 1997-08 CLEAR-WATER OIL COMPANY 56 mo

Wells (46)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
100PONDEROSA TX OPERATING LLC12,8501993-03-29
100GPONDEROSA TX OPERATING LLC12,8501993-03-29
142-233-82683PONDEROSA TX OPERATING LLC------
10142-233-82729LARGE OPERATING LLC------
10242-233-82730LARGE OPERATING LLC------
10342-233-82731PONDEROSA TX OPERATING LLC------
10442-233-82732LARGE OPERATING LLC------
10542-233-82733LARGE OPERATING LLC------
10642-233-82734PONDEROSA TX OPERATING LLC------
1142-233-82688LARGE OPERATING LLC------
1442-233-82689PONDEROSA TX OPERATING LLC------
1542-233-82690PONDEROSA TX OPERATING LLC------
1642-233-82691PONDEROSA TX OPERATING LLC------
1742-233-82692PONDEROSA TX OPERATING LLC------
242-233-82684LARGE OPERATING LLC------
2042-233-82694PONDEROSA TX OPERATING LLC------
6042-233-82695PONDEROSA TX OPERATING LLC------
6142-233-82696PONDEROSA TX OPERATING LLC------
6242-233-82697LARGE OPERATING LLC------
63W42-233-06998PONDEROSA TX OPERATING LLC------
6642-233-82700PONDEROSA TX OPERATING LLC------
6842-233-82701LARGE OPERATING LLC------
6942-233-82702LARGE OPERATING LLC------
742-233-82686LARGE OPERATING LLC------
7142-233-82704PONDEROSA TX OPERATING LLC------
7342-233-82705PONDEROSA TX OPERATING LLC------
7542-233-82706LARGE OPERATING LLC------
76W42-233-82707LARGE OPERATING LLC------
7742-233-07063LARGE OPERATING LLC------
7842-233-82709LARGE OPERATING LLC------
7942-233-82710PONDEROSA TX OPERATING LLC------
842-233-82687PONDEROSA TX OPERATING LLC------
8042-233-07066PONDEROSA TX OPERATING LLC------
8142-233-82712LARGE OPERATING LLC------
8242-233-82713PONDEROSA TX OPERATING LLC------
8342-233-82714LARGE OPERATING LLC------
8442-233-82715PONDEROSA TX OPERATING LLC------
8542-233-82716LARGE OPERATING LLC------
8642-233-82717PONDEROSA TX OPERATING LLC------
8742-233-07120PONDEROSA TX OPERATING LLC------
8842-233-82719PONDEROSA TX OPERATING LLC------
8942-233-82720PONDEROSA TX OPERATING LLC------
9142-233-82722LARGE OPERATING LLC------
9642-233-82724LARGE OPERATING LLC------
9742-233-01150PONDEROSA TX OPERATING LLC------
9842-233-82726PONDEROSA TX OPERATING LLC------