SHERBINO HEIRS 0263 UNIT

Oil · District 08 · Lease #39612

Operator: VAQUERO OPERATING

Cum Oil

6k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

2008-10 — 2011-04

Peak Month

2008-10

Production History

Cum Oil: 5,657 BBL Cum Gas: 1,281 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,126 BBL/mo

Di (annual)

485.6%

b-factor

0.9

EUR

12,583 BBL

R-squared

0.699

type

hyperbolic

Operator History (from monthly production reports)

2023-03 — 2026-07 VAQUERO OPERATING 41 mo
2008-10 — 2023-02 MLC OPERATING, LP 173 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VAQUERO OPERATING111,0002008-05-22