WILLIAMS, MAUDE, ETAL -A-

Oil · District 02 · Lease #2527

Operator: QUINTANA PET. CORP.

Cum Oil

379k BBL

Cum Gas

658k MCF

casinghead

Wells

12

Production

1993-01 — 2017-01

Peak Month

1993-01

Production History

Cum Oil: 378,653 BBL Cum Gas: 657,589 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,831 BBL/mo

Di (annual)

46.6%

b-factor

0.4

EUR

325,854 BBL

R-squared

0.919

type

hyperbolic

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 (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 49 UHILCORP ENERGY COMPANY25,7502024-10-14
D 4HILCORP ENERGY COMPANY75,7662024-01-31
D 4 UHILCORP ENERGY COMPANY75,7662024-01-31
D158HILCORP ENERGY COMPANY66,0002023-02-01
D 87HILCORP ENERGY COMPANY75,8602022-06-21
D 87AHILCORP ENERGY COMPANY75,8602022-06-21
D 87 UHILCORP ENERGY COMPANY75,8602022-06-21
D148HILCORP ENERGY COMPANY146,1002016-01-06
D 23 UHILCORP ENERGY COMPANY46,2002016-01-06
D 57HILCORP ENERGY COMPANY65,6002008-05-07
D 77HILCORP ENERGY COMPANY57,1472006-12-15
D103 DHILCORP ENERGY COMPANY75,9042002-06-13