SHAW

Oil · District 10 · Lease #585

Operator: WO OPERATING COMPANY

Cum Oil

163k BBL

Cum Gas

331k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2025-04

Production History

Cum Oil: 163,246 BBL Cum Gas: 331,028 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,481 BBL/mo

Di (annual)

57.4%

b-factor

0.7

EUR

126,145 BBL

R-squared

0.870

type

hyperbolic

Operator History (from monthly production reports)

2018-02 — 2026-07 PONDEROSA TX OPERATING LLC 102 mo
2008-10 — 2018-01 LEGACY RESERVES OPERATING LP 112 mo
2006-02 — 2008-09 WO OPERATING COMPANY 32 mo
1993-01 — 2006-01 MYRIAD RESOURCES CORPORATION 157 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PONDEROSA TX OPERATING LLC12,9201997-08-01
7PONDEROSA TX OPERATING LLC13,2501997-07-29
6PONDEROSA TX OPERATING LLC13,2501996-11-19
142-179-01567PONDEROSA TX OPERATING LLC------
542-179-30225PONDEROSA TX OPERATING LLC------