LEA, P.J.

Oil · District 08 · Lease #28523

Operator: VANGUARD PERMIAN, LLC

Cum Oil

137k BBL

Cum Gas

424k MCF

casinghead

Wells

11

Production

1993-01 — 2026-04

Peak Month

2023-04

Production History

Cum Oil: 136,689 BBL Cum Gas: 423,673 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,708 BBL/mo

Di (annual)

145.2%

b-factor

0.8

EUR

98,008 BBL

R-squared

0.867

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — 2026-07 FORMENTERA OPERATIONS LLC 33 mo
2022-07 — 2023-10 SLANT OPERATING, LLC 16 mo
2022-01 — 2022-06 CONTANGO RESOURCES, LLC 6 mo
2021-02 — 2021-12 CONTANGO RESOURCES, INC. 11 mo
2019-09 — 2021-01 GRIZZLY OP OF DELAWARE, LLC 17 mo
2015-05 — 2019-08 VANGUARD OPERATING, LLC 52 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 (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
66FORMENTERA OPERATIONS LLC25,0002023-07-19
18FORMENTERA OPERATIONS LLC14,8102023-03-17
51FORMENTERA OPERATIONS LLC25,0002023-02-14
85FORMENTERA OPERATIONS LLC25,2002023-01-27
80FORMENTERA OPERATIONS LLC25,2002023-01-09
56FORMENTERA OPERATIONS LLC35,0002022-12-13
91FORMENTERA OPERATIONS LLC35,1002022-10-13
55FORMENTERA OPERATIONS LLC46,4002022-09-30
49FORMENTERA OPERATIONS LLC45,0001991-10-30
53FORMENTERA OPERATIONS LLC25,0001989-10-02
42FORMENTERA OPERATIONS LLC14,5001984-02-10