WILLIAMS, MAUDE, ETAL -A-

Oil · District 02 · Lease #2889

Operator: QUINTANA PET. CORP.

Cum Oil

2k BBL

Cum Gas

4k MCF

casinghead

Wells

8

Production

1993-01 — 2008-09

Peak Month

2007-02

Production History

Cum Oil: 2,064 BBL Cum Gas: 4,020 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

220 BBL/mo

Di (annual)

111.5%

b-factor

0.0

EUR

2,363 BBL

R-squared

0.301

type

exponential

Operator History (from monthly production reports)

2000-12 — 2026-07 HILCORP ENERGY COMPANY 308 mo
1993-01 — 2000-11 QUINTANA PET. CORP. 95 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 21 UHILCORP ENERGY COMPANY66,2002022-04-27
D110 DHILCORP ENERGY COMPANY105,8512018-01-29
D148HILCORP ENERGY COMPANY146,1002016-01-06
D 85 UHILCORP ENERGY COMPANY58,1542007-02-09
D 11 UHILCORP ENERGY COMPANY75,8252007-01-26
D 30 FHILCORP ENERGY COMPANY85,8551990-03-12
D102 DHILCORP ENERGY COMPANY35,9451980-10-23
D 1SW42-391-80858HILCORP ENERGY COMPANY------