WILLIAMS, MAUDE ET AL "A"

Oil · District 02 · Lease #7539

Operator: QUINTANA PET. CORP.

Cum Oil

30k BBL

Cum Gas

120k MCF

casinghead

Wells

1

Production

1993-01 — 2003-09

Peak Month

2000-08

Production History

Cum Oil: 29,846 BBL Cum Gas: 120,058 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

489 BBL/mo

Di (annual)

133.6%

b-factor

2.0

EUR

46,601 BBL

R-squared

0.560

type

hyperbolic

Operator History (from monthly production reports)

2000-12 — 2007-06 HILCORP ENERGY COMPANY 79 mo
1993-01 — 2000-11 QUINTANA PET. CORP. 95 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 43HILCORP ENERGY COMPANY35,7472006-11-21