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SAND HILLS JUDKINS UNIT

Oil · District 08 · Lease #27963

Operator: VANGUARD PERMIAN, LLC

Fields: SAND HILLS (JUDKINS)

Cum Oil

23k BBL

Cum Gas

365k MCF

casinghead

Wells

4

Production

1993-01 — 2015-07

Peak Month

1995-06

Production History

Cum Oil: 22,785 BBL Cum Gas: 364,662 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

326 BBL/mo

Di (annual)

33.0%

b-factor

0.4

EUR

18,820 BBL

R-squared

0.391

type

hyperbolic

Operator History (from monthly production reports)

2015-05 — 2015-09 VANGUARD OPERATING, LLC 5 mo
2012-04 — 2015-04 VANGUARD PERMIAN, LLC 37 mo
2009-09 — 2012-03 ENCORE ENERGY PARTNERS OPER LLC 31 mo
2004-05 — 2009-08 ENCORE OPERATING, L.P. 64 mo
2002-08 — 2004-04 CORTEZ OPERATING COMPANY 21 mo
2002-04 — 2002-07 HOME-STAKE OIL & GAS COMPANY 4 mo
2000-06 — 2002-03 PURE RESOURCES, L.P. 22 mo
1996-11 — 2000-05 TITAN RESOURCES I, INC. 43 mo
1993-01 — 1996-10 MOBIL PRODUCING TX. & N.M. INC. 46 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
39A42-103-30278GRIZZLY OP OF DELAWARE, LLC54,8002005-06-10
1142-103-32532VANGUARD OPERATING LLC23,3002005-03-21
4642-103-30451FORMENTERA OPERATIONS LLC24,8502005-02-04
4142-103-30170FORMENTERA OPERATIONS LLC14,4001995-04-19