LOCKHART STRIP

Oil · District 10 · Lease #7356

Operator: UPLAND RESOURCES, INC.

Cum Oil

34k BBL

Cum Gas

637k MCF

casinghead

Wells

1

Production

1999-11 — 2026-01

Peak Month

2000-05

Production History

Cum Oil: 34,420 BBL Cum Gas: 637,206 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

623 BBL/mo

Di (annual)

46.6%

b-factor

0.6

EUR

33,476 BBL

R-squared

0.880

type

hyperbolic

Operator History (from monthly production reports)

2019-07 — 2026-07 PRESIDIO PETROLEUM LLC 85 mo
2012-05 — 2019-06 APACHE CORPORATION 86 mo
2008-01 — 2012-04 GRANITE OPERATING COMPANY 52 mo
1999-11 — 2007-12 UPLAND RESOURCES, INC. 98 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PRESIDIO PETROLEUM LLC311,4001999-08-27