PORTWOOD

Oil · District 10 · Lease #7421

Operator: UPLAND RESOURCES, INC.

Cum Oil

41k BBL

Cum Gas

173k MCF

casinghead

Wells

2

Production

2002-04 — 2026-04

Peak Month

2002-04

Production History

Cum Oil: 40,934 BBL Cum Gas: 172,894 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

459 BBL/mo

Di (annual)

14.4%

b-factor

0.0

EUR

38,121 BBL

R-squared

0.643

type

exponential

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
2002-04 — 2007-12 UPLAND RESOURCES, INC. 69 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PRESIDIO PETROLEUM LLC48,6502002-07-22
2PRESIDIO PETROLEUM LLC38,6502002-03-27