WEST RANCH -A-

Oil · District 02 · Lease #6274

Operator: VINTAGE PETROLEUM, LLC

Cum Oil

12k BBL

Cum Gas

11k MCF

casinghead

Wells

9

Production

1993-01 — 2015-04

Peak Month

2008-07

Production History

Cum Oil: 11,665 BBL Cum Gas: 11,421 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

374 BBL/mo

Di (annual)

53.2%

b-factor

0.0

EUR

8,422 BBL

R-squared

0.699

type

exponential

Operator History (from monthly production reports)

2007-08 — 2026-07 HILCORP ENERGY COMPANY 228 mo
2006-05 — 2007-07 VINTAGE PETROLEUM, LLC 15 mo
1997-04 — 2006-04 VINTAGE PETROLEUM, INC. 109 mo
1996-08 — 1997-03 BURLINGTON RESOURCES OIL&GAS CO. 8 mo
1996-03 — 1996-07 MERIDIAN OIL INC. 5 mo
1993-01 — 1996-02 MERIDIAN OIL PRODUCTION INC. 38 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
168HILCORP ENERGY COMPANY25,7462018-01-29
111HILCORP ENERGY COMPANY25,7692017-12-14
161HILCORP ENERGY COMPANY55,7642007-12-19
136HILCORP ENERGY COMPANY25,7652003-12-09
145HILCORP ENERGY COMPANY45,7772003-11-10
140HILCORP ENERGY COMPANY35,8012003-10-24
162 LHILCORP ENERGY COMPANY58,5002003-09-11
55HILCORP ENERGY COMPANY25,7661992-07-01
316HILCORP ENERGY COMPANY25,5991986-08-18