WILLIAMS, MAUDE, ET AL -B-

Oil · District 02 · Lease #4890

Operator: QUINTANA PET. CORP.

Cum Oil

35k BBL

Cum Gas

78k MCF

casinghead

Wells

4

Production

1993-01 — 2024-11

Peak Month

2005-09

Production History

Cum Oil: 35,438 BBL Cum Gas: 77,973 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

355 BBL/mo

Di (annual)

322.9%

b-factor

1.1

EUR

7,949 BBL

R-squared

0.307

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 (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HILCORP ENERGY COMPANY65,9242016-04-28
29 DHILCORP ENERGY COMPANY36,0032015-09-25
B 29 DHILCORP ENERGY COMPANY36,0032015-09-25
26QUINTANA PET. CORP.15,9802006-06-08