ALEXANDER 66

Oil · District 10 · Lease #8859

Operator: PRESIDIO PETROLEUM LLC

Cum Oil

106k BBL

Cum Gas

517k MCF

casinghead

Wells

1

Production

2013-01 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 105,896 BBL Cum Gas: 516,579 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,159 BBL/mo

Di (annual)

640.6%

b-factor

1.1

EUR

108,063 BBL

R-squared

0.782

type

hyperbolic

Operator History (from monthly production reports)

2019-07 — 2026-07 PRESIDIO PETROLEUM LLC 85 mo
2013-01 — 2019-06 APACHE CORPORATION 78 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCPRESIDIO PETROLEUM LLC19,0002012-10-29